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Search: Posts Made By: MrIROBZ
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Forum: TPI
Yesterday, 05:47 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

I reached out to Mike today and filled out the cam spec questionaire, to be honest I dont even know if he is interested in specing out such a mild deal as this. Good idle? Running AC? He's probably...
Forum: TPI
Yesterday, 05:40 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Ok - Im a lot better now. Still got one stone in my right kidney but im functioning. Gaskets are on the way. Runners are still in process. I would take ??? up on the offer for his runners but the...
Forum: TPI
04-30-2024, 05:04 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Pretty crazy that they made a plastic intake in 89. I can imagine the resentment the men of that era had for it back then. Composite intakes back then were a totally new idea and the OEMs weren’t...
Forum: TPI
04-30-2024, 05:48 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

TPI is beyond stupid expensive, the runners and base I bought were more than the heads! I could’ve had a First or a HSR or even a MR. Thats the real downfall of TPI and from what I’m seeing here, if...
Forum: TPI
04-29-2024, 08:32 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

You nailed it. It’s not a racer. It’s pretty much what the classic car guys do… keep the original drivetrain for sentimental and originality purposes and just add 75-125hp or so.

I honestly don’t...
Forum: TPI
04-29-2024, 08:24 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

I disagree with you there. TPI would be one of my top choices for an EFI SBC deal in a pick up. 450+ft lbs 383 at very low RPM. You could literally just cruise with a load or trailer and probably...
Forum: TPI
04-28-2024, 09:06 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Ported stock base vs TPIS big mouth
https://m.youtube.com/watch?v=6QJmI1xnMwk&t=322s
Forum: TPI
04-27-2024, 02:01 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

One from ST explaining aispeeds and their effect on power further. A very well known post I might add. I think nearly everyone has read this a time or two before but it fits here too.

Originally...
Forum: TPI
04-27-2024, 01:41 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Well.. I appreciate that and I agree, the TPI ship has sailed and its kind of a bummer. I waited too long to do one because it's a lot of work for not a lot of return. But these are the cars that got...
Forum: TPI
04-26-2024, 07:32 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

No its the perfect question. I see some TPI guys wanting 300cfm heads and then use the long runner intake on top of it like they are going to be able to use all 300cfm. It doesnt work that way. An...
Forum: TPI
04-26-2024, 03:05 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Fixed the link...

Those examples sound about right. 210-220cfm total intake port flow can yield about 410-440hp with RPM. With TPI you basically have to cut the HP curve off at 5200rpm and thats...
Forum: TPI
04-26-2024, 01:19 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Big update today. Charlie actually got into changing the texture in the port and basically did a full clean up (sans floor) and checked the airspeeds. Question. How much total CFM do you think a...
Forum: TBI
04-26-2024, 12:35 PM
Replies: 22
Views: 421
Posted By MrIROBZ

Re: '84 Camaro: Decent first car?

My first car was an 84 Berlinetta with a 283 stolen from some 50's Chevy and it had a 1 barrel carb on it with long tube headers, flex pipe, then to glasspack mufflers. It had a Ratchet shifter and...
Forum: TPI
04-26-2024, 10:32 AM
Replies: 2
Views: 99
Posted By MrIROBZ

Re: Fuel System Troubleshooting

Could be the fuel pump is weak. After they warm up they are notorious for stopping. Could also be a bad ground somewhere that isnt grounding the ECU. Injectors are probably old and all that but ok....
Forum: Alternative Port EFI Intakes
04-26-2024, 07:38 AM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

Hmmm.... you could try it. I see super ram ports a lot like an exhaust port. It LOOKS like the air is separating off the ssr of the runner and slamming into the wall... Id try polishing the inside...
Forum: Alternative Port EFI Intakes
04-26-2024, 06:09 AM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

Like a cathedral port of sorts?
Forum: Alternative Port EFI Intakes
04-25-2024, 08:43 PM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

I think that looks that way because the tubes are bigger. I keep flipping up and down but I’m old and half ****ing blind these days… so I can’t tell lol

Charlie brought up an interesting tidbit...
Forum: Alternative Port EFI Intakes
04-25-2024, 07:25 PM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

We’re about to find out.
Forum: Alternative Port EFI Intakes
04-25-2024, 07:22 PM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

ASM does state 260 and if that’s with a base, which base?
Forum: Alternative Port EFI Intakes
04-25-2024, 07:20 PM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

Question. Have you noticed any vacuum leaks by shaving all the bosses off eliminating the blind holes?

What are you sealing the bolts with? Thanks
Forum: Alternative Port EFI Intakes
04-25-2024, 06:58 PM
Replies: 21
Views: 454
Posted By MrIROBZ

Re: Revisiting Mercruiser Dual Plane MPFI manifold

Wait. 113’s are superior to Vortec heads?? When did this happen? Or are you being facetious?
Forum: TPI
04-25-2024, 04:50 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

No doubt! Wish they were still being made.

Man, I dont get it... Third gens and aftermarket parts were cheap when I left and so were the cars. Now its the complete opposite. What gets me is, if...
Forum: TPI
04-25-2024, 04:04 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Glad to know other guys are putting their foot down on Chinese stuff. People reading this may think i'm virtue signaling of some sort but i'm not. The problem I am seeing is we are in big trouble not...
Forum: TPI
04-25-2024, 02:35 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Ok. I thought you were talking about the stuff Charlie had. The Vette stuff is interesting, what a nice homemade bench that is! A buddy of mine would love to read that.

What Im having problems...
Forum: TPI
04-25-2024, 12:41 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

The plan:
Port the plenum runner entrances to the ASM ID runner size
Radius around the runner entrances of plenum (Have an extra plenum to play with to see if change of radius degree effects CFM)...
Forum: Alternative Port EFI Intakes
04-25-2024, 09:19 AM
Replies: 21
Views: 454
Posted By MrIROBZ

Re: Revisiting Mercruiser Dual Plane MPFI manifold

The duty cycle is only hitting 60% - ish. Which isnt bad but I would have expected higher. What are the port sizes on that intake? Any pics?
Forum: TPI
04-25-2024, 08:56 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Man, I know this sounds like a total stoner moment, but if someone created a clear TPI intake and drilled holes into the ports at different lengths and ran different colored smoke into those tubes to...
Forum: TPI
04-25-2024, 08:47 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Lord knows Ive asked a **** ton of questions. Some off track.. Some essential. Were all learning everyday.
Forum: TPI
04-25-2024, 08:46 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

BHR, the runners on the ST thread were the SLP's, not the ASM's...and then he tested some stock ones and then modified them to see what he could improve on. But you bring up a good point. Back then...
Forum: TPI
04-25-2024, 08:07 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Im a day late. Long day yesterday and I crashed out. I didnt even get to see it until this morning. Bowl blended with a rough bur to expand the boundary layer and shrink the port some. Just to get an...
Forum: DIY PROM
04-24-2024, 02:14 PM
Replies: 2
Views: 148
Posted By MrIROBZ

Get me up to date on the MAF sensor process.

Back when I left, I think Traxxion and Grumpy were hashing it out with another member on how to use PE to enrich the table beyond the MAF 255g/s limit. Is this still the best way to tune WOT with MAF...
Forum: TPI
04-24-2024, 01:34 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Update for Arizona Speed and Marine... The runner flanges are done and they are being sent to get the finish done. Shouldnt be too much longer. Jim is a good guy over there and you can tell he really...
Forum: TPI
04-24-2024, 10:57 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

The TPI is definitely here to stay. Its funny, because if this was 2010 or earlier, I may have a different point of view on that. Back then these cars with a modified 350 could run with a lot of the...
Forum: TPI
04-24-2024, 06:43 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

They look great!
Forum: TPI
04-23-2024, 08:22 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

I wouldn’t either. The stock ECM has some problems but it’s not lacking some things others do. It’s good enough IMO for an NA deal.

What exhaust is that?
Forum: TPI
04-23-2024, 07:17 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Update not on video yet...

Charlie did some flow testing to check the numbers again. They went 241 stock and 251/171 with just a bowl blend! Now we know why Chad uses these for Super Stockers. As...
Forum: TPI
04-23-2024, 03:31 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

You have a 92 Firehawk? Thats the only other thirdgen Id want besides what I have. Very cool car!

Tuner wise, Im still figuring it out. From what a couple guys who I know would give me good info...
Forum: TPI
04-23-2024, 02:23 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Theres a diagram I posted a page or so back. Its in black and white but I dont know how accurate it is.

Im convinced a bigger pinch wont hurt it. All its going to do slow down the air looking at...
Forum: TPI
04-23-2024, 12:24 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

What do you guys think about doing something about the angle the base manifold has to the cylinder head? Its an interesting subject, where Charlie has 2 ideas... The first idea was seen on the video...
Forum: Exhaust
04-23-2024, 09:25 AM
Replies: 8
Views: 323
Posted By MrIROBZ

Re: American Racing Headers

Yup - Ground clearance, packaging, easier servicing...transmission... etc.
Forum: Exhaust
04-23-2024, 09:05 AM
Replies: 8
Views: 323
Posted By MrIROBZ

Re: American Racing Headers

Id do a small but nice Y pipe and then to a single 3.5" exhaust. Of course, I hadnt even started looking into termination boxes or pipemax for lengths... I dont even think it would work with this. Im...
Forum: TPI
04-22-2024, 08:04 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Update… All the parts got there in one piece and Charlie flow tested the Darts. They did way better than we thought they would and it appears Dart has changed some things for the better. The guide...
Forum: Alternative Port EFI Intakes
04-22-2024, 03:53 PM
Replies: 247
Views: 15,620
Posted By MrIROBZ

Re: T-Ram vs. TPI, Dyno Results....

I just saw a ported stocker do 273cfm. Airspeeds were in the 290ish range average. I have been hearing a stock base is only good for 250cfm or so for many years.... I wonder how they got that number....
Forum: Exhaust
04-22-2024, 03:03 PM
Replies: 8
Views: 323
Posted By MrIROBZ

Re: American Racing Headers

I think they had to stop making that as its not emissions friendly. EPA and all that BS
Forum: TPI
04-22-2024, 02:56 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Just got a text that my parts made it :)
Forum: TPI
04-22-2024, 01:06 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Looks good. I wish TPI could support a 1205. it’s interesting the porting guys use a way different finish in the ports than what guys have been saying to use for years. lol


Still messing with...
Forum: TPI
04-21-2024, 10:32 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

FWIW... The throttle body flow on TPI has to be knocked down to correlate correctly... but after you do it.... its damn near perfect. This one could probably use 15 more cfm.
These programs...
Forum: TPI
04-21-2024, 10:30 AM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Not bad!!
https://cimg3.ibsrv.net/gimg/www.thirdgen.org-vbulletin/1290x1700/jimhall1_e57afaa7d433c8fcb8fcd14cdb38a75169b6d06b.jpg...
Forum: Tech / General Engine
04-21-2024, 10:10 AM
Replies: 102
Views: 2,902
Posted By MrIROBZ

Re: Whats respectable street performance in 2024?

I hear New Balance is having a sale on sneakers right now. :D

https://www.newbalance.com/
Forum: TPI
04-20-2024, 10:48 PM
Replies: 254
Views: 6,620
Posted By MrIROBZ

Re: My custom ported H/C/I L98 refresh thread

Never paid that much attention aftermarket EFI before. Everything I do for me has a carb.

Maybe you can use an idle kick up solenoid wired to the relay switch circuit from the AC clutch?

You...
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