305 tpi build up
03-04-2014, 03:07 PM
#1
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
305 tpi build up
hey guys I have a 305 tpi from an 87 bird that's going into my 91 Camaro. I plan on building it up before it goes in.
LT1 cam
Trickflow super 23 175 heads
that's all I got so far. any ideas?
LT1 cam
Trickflow super 23 175 heads
that's all I got so far. any ideas?
03-04-2014, 07:16 PM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 305 tpi build up
Do a search.
Many 305 build threads to give you ideas
Like
https://www.thirdgen.org/forums/tpi/...azy-305-a.html
https://www.thirdgen.org/forums/tech...und-305-a.html
https://www.thirdgen.org/forums/tech...ild-305-a.html
https://www.thirdgen.org/forums/tech...ild-build.html
Many 305 build threads to give you ideas
Like
https://www.thirdgen.org/forums/tpi/...azy-305-a.html
https://www.thirdgen.org/forums/tech...und-305-a.html
https://www.thirdgen.org/forums/tech...ild-305-a.html
https://www.thirdgen.org/forums/tech...ild-build.html
03-05-2014, 08:18 AM
#6
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
The only reason I went with an lt1 cam is im not a fan of playing with the ecu
03-05-2014, 08:22 AM
#7
Re: 305 tpi build up
You'll want to do ecu tuning for the heads and intake mods anyway to get most bang for your buck. 1100$ heads and leaving hp on table for 200$ in chip tuning stuff seems cutting yourself short to me. Its intimidating but a necessity in doing builds for these cars
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03-05-2014, 09:22 AM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Ok so if its necessary to do should I go bigger cam?
03-05-2014, 09:26 AM
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Car: 1986 Camaro SC
Engine: 305 TPI Procharged D1SC
Transmission: Tremec TKO-600
Axle/Gears: Moser 12 Bolt 3.73 posi
Re: 305 tpi build up
now before you say something, i've been where you are and everyone said get a 350, and i was like i'm not gonna listen, well i have a 305 TPI and wish i had gone with a 350, i could be making much more power with just the displacement.
03-05-2014, 09:32 AM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Heres a question would anything have to be changed sensor wise for a 350
03-05-2014, 09:43 AM
#13
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
When u say memcal in the ecu. What do u mean?
03-05-2014, 09:57 AM
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
The "chip" that holds the program that ppl "tune" to make fuel injection work right on a EFI engine
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-05-2014, 10:01 AM
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-05-2014, 10:09 AM
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
Me ... I don't have any numbers yet tracks will b open soon tho ... click my profile .. thread is
"Lo3 rebuild HP estimates"
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
"Lo3 rebuild HP estimates"
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-05-2014, 10:45 AM
#17
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Honesty I thought about a 350. But idk the 305 seemed alright for my intentions.
03-05-2014, 04:26 PM
#18
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 305 tpi build up
Some thought needed
As already alluded to above ,it costs the same or less to build a 350 ( because less popular, some 305 parts are more expensive than 350 parts ) and straight away before mods you have more power because the engine is larger
Way more future potential as well
As already alluded to above ,it costs the same or less to build a 350 ( because less popular, some 305 parts are more expensive than 350 parts ) and straight away before mods you have more power because the engine is larger
Way more future potential as well
03-05-2014, 04:37 PM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
If I go with the xfi 260 id have to use 1.5 rr right?
03-06-2014, 08:21 AM
#21
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Well enough people have told me the 305 vs 350. So I think im gonna abandon the 305 and go 350. Ill start a new thread for the 350
03-06-2014, 09:48 AM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
I want to keep the tpi setup
03-06-2014, 10:32 AM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Yea I know that. Idk too many people are telling me to trash the 305 and go a different route. I gotta think. In the end its my car.
03-06-2014, 10:41 AM
#26
Re: 305 tpi build up
Originally Posted by 91 rally sport
Yea I know that. Idk too many people are telling me to trash the 305 and go a different route. I gotta think. In the end its my car.
https://www.thirdgen.org/forums/powe...ond-305-a.html
03-06-2014, 11:41 AM
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Idk turbos scare me just like ecu tuning. Im more conventional
03-06-2014, 11:49 AM
#30
Re: 305 tpi build up
Originally Posted by 91 rally sport
Idk turbos scare me just like ecu tuning. Im more conventional
03-06-2014, 12:05 PM
#31
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Gonna need some time to comprehend that.
03-06-2014, 12:33 PM
#33
Re: 305 tpi build up
Originally Posted by 91 rally sport
Gonna need some time to comprehend that.
What we do as tuners, is we try to keep that correction as close to 0% as possible, as this in turn will give us a more efficient burn, which is what we're after. Once you start adding things like a larger cam, better breathing intake, etc, the computer system, although still controlling the air/fuel ratio, is having a harder time maintaining the correct average ratio because you made it harder for it to be able to. So let's say for example the computer was able to keep a 1% correction average throughout running the stock TPI engine. After your mods (allowing for more air), the computer is now correcting an even larger percentage, and although it is able to, it can only correct for so much, and its usually only up to 6% correction. Once you exceed that, you are either running too rich, or too lean, resulting in poor engine performance because the computer is left chasing its' own tale. So that is what we do as tuners. When a mechanical enhancement is made that brings in more air, we go into the computer and add fuel to bring it back as close to 0% correction as possible. The technical terms and acronyms we use for doing so you will get used to as you go...
03-06-2014, 12:39 PM
#34
Re: 305 tpi build up
Originally Posted by 91 rally sport
Ok whats the EBL-P4...
http://www.dynamicefi.com
03-06-2014, 12:47 PM
#36
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
U can also check my build thread
https://www.thirdgen.org/forums/tbi/...s.html?styleid
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
https://www.thirdgen.org/forums/tbi/...s.html?styleid
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-06-2014, 12:51 PM
#37
Re: 305 tpi build up
Originally Posted by 91 rally sport
So ebl-p4 is a tuner.
03-06-2014, 12:53 PM
#38
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Where can I buy this animal?
03-06-2014, 12:56 PM
#39
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
Yes the ebl is an aftermarket ECU that is flash programmable and has much higher resolution tables that the stock ecu .. it has a USB cable that plugs into a laptop and can hold 8 different bins or tunes ... u use tuner pro software on ur laptop to actually change the engine parameters or tune the engine ... I had ZERO tunning knowledge before I bought the ebl ... and it is 99% plug and play .. so NO rewiring! AS IS THE CASE with other flash programmable aftermarket ECU's and ebl is about half the price as the others like megasquirt
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-06-2014, 12:58 PM
#40
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
EBL-P4 is a custom ECM that replaces your stock ECM, and connects to your stock wiring. It converts your stock ECM with its chips into a stock ECM that is flash based like the newer OBII vehicles. Your the tuner. Tuning is the first thing that members should be mastering, and you have the best of the best on this website here to help you. You'd be surprised how much power was left on the table with the stock prom, as that alone would make a huge difference in power without adding anything mechanically just yet...
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-06-2014, 12:59 PM
#41
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
DynamicEFI.com
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-06-2014, 01:06 PM
#42
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Ill have to looking to this. Being as im most likely keeping the 305 now
03-06-2014, 01:36 PM
#43
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
Ok so whats the best way as far as installation?
03-06-2014, 02:46 PM
#44
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Car: 1991 firebird
Engine: TBI 305 (built)
Transmission: T5
Axle/Gears: 4.10
? Uh .. U pull the factory computer out and put the new one in.
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
91' firebird .. 305 TBI .030 over , balanced bottom end , speed pro hyper flattops , 10.6:1 CR , all ARP rod bolts and main studs , melling HV oil pump , trick flow super 23 175cc heads, Howards HR 214/218@.050 .488/.495 lift on 114 LSA , full roller 1.6 RR = .520/.528 lift , summit dual plane intake port matched , shorty headers into 2.5" Y w full 3" flow master system and 3" cutout in front of axle , msd billet dizzy, 620cfm TBI , custom CAI , tubular adjustabke LCA pan hard , umi torque arm wonder bar , BMR trans cross member , COMP engineering SFC's, disc rear w 4.10's, drilled an slotted rotors, EBL flash , VRFPR, WBO2,
03-06-2014, 04:04 PM
#45
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
from what I saw on the site it said about installing it in the old computer
03-07-2014, 11:23 AM
#46
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Car: 85 iroc z, 03 ram 1500
Engine: 305 tpi, 287
Transmission: WC T5, NV3500
Axle/Gears: 3.42, 3.55s
Re: 305 tpi build up
On the site it says about sending the computer to have it done or doing it yourself? so I feel stupid now. just looked at the site again and realized I was looking at the wrong one.
Last edited by 91 rally sport; 03-07-2014 at 04:15 PM.
03-08-2014, 07:23 AM
#47
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Car: 1986 Camaro SC
Engine: 305 TPI Procharged D1SC
Transmission: Tremec TKO-600
Axle/Gears: Moser 12 Bolt 3.73 posi
Re: 305 tpi build up
are you running 11's? how? my 305 doesn't run 11's and you'll make more power with a 350 which is why i regret doing the 305 while it was out instead of starting with a 350.
03-08-2014, 08:40 AM
#48
Re: 305 tpi build up
Originally Posted by 86Z
are you running 11's?
Originally Posted by 86Z
how?
Originally Posted by 86Z
my 305 doesn't run 11's...
You'll make more power with a 350? So what? What good is dyno power when it only takes x amount of power to run in the 7's with a Buick V6 with smaller heads, smaller cam, and two less cubes than a 350 as well as a 305? Clearly you are doing something wrong if you can't break into the 11's with your V8. Why not pulley up your DISC, slap a wastegate on the cold side, and run the same amount of boost you are running now and SEE the difference it makes because now suddenly your supercharger is acting like a turbo. In your datalogs, how much fuel are you consuming, as that will immediately give your projected horsepower right there, give us your trap and vehicle weight too...
Do you think the owner of this street driven GN really cares if a 350 makes more on the dyno? Come on now, that is old fashioned thinking. You choose to abandon the 305, while this right here is why I chose to stick with the 305. The 305 is considered "big block" territory in the land of Buick V6's, as a big intake valve to them is 1.90"...
03-08-2014, 09:02 AM
#49
Re: 305 tpi build up
Originally Posted by 91 rally sport
On the site it says about sending the computer to have it done or doing it yourself? so I feel stupid now. just looked at the site again and realized I was looking at the wrong one.
03-08-2014, 02:50 PM
#50
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Car: 1986 Camaro SC
Engine: 305 TPI Procharged D1SC
Transmission: Tremec TKO-600
Axle/Gears: Moser 12 Bolt 3.73 posi
Re: 305 tpi build up
I ran 11's two years ago with less mods than I am running now. I am shooting for nines now, and once the weather subsides it is back to the track for some videos and results...
What do you mean how? My old setup made a little over 400-RWHP at close to 15 pounds of boost, my sixty foot was in the high 1.6x range, but I was capped at 30-lb injectors and they were going static. No methanol to compensate, and no MAF translator, my best run was 11.5 @ 117 running drag radials, TCI stall, T76 turbo, some light porting on 882 heads (1.94" valve), and a 218/218 Lunati camshaft...
Then your clearly doing something wrong. Not to mention, you say this without giving me your trap speed. If your trapping over 110 then you should be running 11's with a good launch, or close to them with a decent launch. What is your trap? How much power are you making? How much boost? Lets not forget that your limited to a pulley, and are subjected to RPM boost just like my C4 is. Your also limited to your launch running manual, as you need to baby it out of the hole. Turbo's are a different animal, they don't stop spinning which is why they need to be regulated, not to mention the size of the turbo being used in itself making a tremendous difference...
You'll make more power with a 350? So what? What good is dyno power when it only takes x amount of power to run in the 7's with a Buick V6 with smaller heads, smaller cam, and two less cubes than a 350 as well as a 305? Clearly you are doing something wrong if you can't break into the 11's with your V8. Why not pulley up your DISC, slap a wastegate on the cold side, and run the same amount of boost you are running now and SEE the difference it makes because now suddenly your supercharger is acting like a turbo. In your datalogs, how much fuel are you consuming, as that will immediately give your projected horsepower right there, give us your trap and vehicle weight too...
Do you think the owner of this street driven GN really cares if a 350 makes more on the dyno? Come on now, that is old fashioned thinking. You choose to abandon the 305, while this right here is why I chose to stick with the 305. The 305 is considered "big block" territory in the land of Buick V6's, as a big intake valve to them is 1.90"...
What do you mean how? My old setup made a little over 400-RWHP at close to 15 pounds of boost, my sixty foot was in the high 1.6x range, but I was capped at 30-lb injectors and they were going static. No methanol to compensate, and no MAF translator, my best run was 11.5 @ 117 running drag radials, TCI stall, T76 turbo, some light porting on 882 heads (1.94" valve), and a 218/218 Lunati camshaft...
Then your clearly doing something wrong. Not to mention, you say this without giving me your trap speed. If your trapping over 110 then you should be running 11's with a good launch, or close to them with a decent launch. What is your trap? How much power are you making? How much boost? Lets not forget that your limited to a pulley, and are subjected to RPM boost just like my C4 is. Your also limited to your launch running manual, as you need to baby it out of the hole. Turbo's are a different animal, they don't stop spinning which is why they need to be regulated, not to mention the size of the turbo being used in itself making a tremendous difference...
You'll make more power with a 350? So what? What good is dyno power when it only takes x amount of power to run in the 7's with a Buick V6 with smaller heads, smaller cam, and two less cubes than a 350 as well as a 305? Clearly you are doing something wrong if you can't break into the 11's with your V8. Why not pulley up your DISC, slap a wastegate on the cold side, and run the same amount of boost you are running now and SEE the difference it makes because now suddenly your supercharger is acting like a turbo. In your datalogs, how much fuel are you consuming, as that will immediately give your projected horsepower right there, give us your trap and vehicle weight too...
Do you think the owner of this street driven GN really cares if a 350 makes more on the dyno? Come on now, that is old fashioned thinking. You choose to abandon the 305, while this right here is why I chose to stick with the 305. The 305 is considered "big block" territory in the land of Buick V6's, as a big intake valve to them is 1.90"...
i did a 12.64 at 110.xx mph with a 1.79 60' i made 381hp and 420 ft/lbs on the dyno with 14lbs max, i don't know the weight of the car. maybe it is good for 11's the bottom end is stock, i don't want to up the boost and grenade it