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Search: Posts Made By: newbvetteguy
Showing results 1 to 50 of 222
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Forum: Tech / General Engine
09-19-2023, 12:14 PM
Replies: 18
Views: 12,924
Posted By newbvetteguy

Re: Sure I didnt dream this. 98 vortec block drilling the water pump bypass hole.

It's funny running across this today as I'm in the opposition situation where I have an early GEN1 SBC and I just tapped the passenger-side bypass hole and installed a pipe plug so that it doesn't...
Forum: TPI
05-22-2023, 07:39 PM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

It sounds cool as hell! And I'm sure looks it with that pizza box intake!

Adam
Forum: TPI
05-22-2023, 07:36 PM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

Airflow and intake runner area ARE a major power limitation to a TPI; cam duration can also move the curve a few hundred rpm in either direction.
The stock TPI's 1.5" inside runner diameter (1.76"...
Forum: TPI
05-19-2023, 06:06 PM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

(The name of the rock you've been living under?) -That video came out 2 years ago.

I'm feeling "froggy" because it's Friday!
;-)

Adam
Forum: TPI
05-19-2023, 06:02 PM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

Plymouth?
Forum: Alternative Port EFI Intakes
01-09-2023, 04:22 PM
Replies: 5
Views: 1,100
Posted By newbvetteguy

Re: Glacier Melted; My FIRST TPI engine is back in my "Third Gen"!

On the throttle cable issue: My issue is that because I'm installing this on an originally carbureted 1979 Corvette, the stock throttle cable is too short to actually reach the throttle cable...
Forum: Alternative Port EFI Intakes
01-05-2023, 05:31 PM
Replies: 5
Views: 1,100
Posted By newbvetteguy

Re: Glacier Melted; My FIRST TPI engine is back in my "Third Gen"!

My Holley HP, especially compared to the newest Terminator ECUs was NOT cheap and the Joe Simpson class is $297 and covers all the modern Holley platforms. Plus it's "unreimbursed educational...
Forum: Alternative Port EFI Intakes
01-05-2023, 04:49 PM
Replies: 5
Views: 1,100
Posted By newbvetteguy

Re: Glacier Melted; My FIRST TPI engine is back in my "Third Gen"!

BadSS After a gazillion months, it's finally installed! Mini-celebration.

Now to figure out the throttle cable....

Adam
Forum: Alternative Port EFI Intakes
01-05-2023, 04:47 PM
Replies: 5
Views: 1,100
Posted By newbvetteguy

Glacier Melted; My FIRST TPI engine is back in my "Third Gen"!

After way, WAY more time than I'd like to admit ("glacier speed"), my FIRST TPI-based engine is back in my "Third Gen" (Corvette)!

I now have a white board full of projects, each comprised of...
Forum: TPI
12-02-2022, 02:21 PM
Replies: 16
Views: 910
Posted By newbvetteguy

Re: Cam for tpi

With the likely lowish CR and numerically small rear gears AND the over-sized heads for the application, I like the Comp XFI 260/270 cam with 1.6 rockers (throw that valve open fast and far)....
Forum: Alternative Port EFI Intakes
11-28-2022, 01:20 PM
Replies: 6
Views: 1,262
Posted By newbvetteguy

Re: Twin Turbo Miniram dyno results

Wow! Love it.

Great choice of an OEM block, great heads, great cam. The Mahle pistons are 4032 with a metric ring pack (the powerpak piston)?

GREAT packaging (waste gate looks a TINY bit too...
Forum: TPI
10-14-2022, 03:57 PM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

For anyone considering converting a TPI to a more modern EFI system, FiTech sells a few EFI systems specifically for TPI conversations:

This is the highest end one and it supports dual, wide-band...
Forum: TPI
10-14-2022, 10:55 AM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

Boost is one way to make more cylinder pressure.

The Vortec kits for TPI engines doesn’t increase the required hood clearance, does it?


Adam
Forum: TPI
10-14-2022, 09:23 AM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

Not very much, IMO.

Stock TPIs overwhelming limitation has been proven a hundred times to be AIRFLOW, and not runner length. No reason to do anything before addressing airflow.

After that, the...
Forum: TPI
10-14-2022, 08:45 AM
Replies: 318
Views: 126,897
Posted By newbvetteguy

Re: TPI shootout in Feb Super Rod magazine

Any that support the features mentioned.

Sequential injection, CNP, open valve injection.
Which is most of them, at least with some upgrades.

I have Holley HP with a CNP harness added on; FAST...
Forum: Alternative Port EFI Intakes
08-02-2022, 08:21 PM
Replies: 40
Important/Useful : Injector Sizes
Views: 15,874
Posted By newbvetteguy

Re: Injector Sizes

Yep. And if you search for “injector sizes” it comes up high on the list of results. Now it will return 2022 answers.


Adam
Forum: Alternative Port EFI Intakes
07-18-2022, 01:05 PM
Replies: 40
Important/Useful : Injector Sizes
Views: 15,874
Posted By newbvetteguy

Re: Injector Sizes

IF using an aftermarket EFI system that supports Open Valve Injection with Start-of-Injection or End-of-Injection Angle Timing, where you're injecting fuel primarily after overlap and before the...
Forum: Alternative Port EFI Intakes
06-14-2022, 07:29 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

I get that, but it's good to keep hearing it over and over so maybe it sinks in. I've definitely seems some very good fast headers throw fuel out the exhaust and understand that less exhaust duration...
Forum: Alternative Port EFI Intakes
06-14-2022, 07:23 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

I think I'm doing a bad part getting my point across, based upon your reply.

I don't quote Chad Speier or Darin Morgan or explicitly look to what they say because I DON'T trust what they say; I...
Forum: TPI
06-07-2022, 07:06 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

My pictures should be on this public Facebook album: https://www.facebook.com/media/set/?set=a.10154956065381929&type=3

Just don't judge me for some of my financially stupid decisions: Is a 1.2mm...
Forum: TPI
06-07-2022, 06:44 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Sorry for the delay, Bill, I either missed the notification on this thread or I've got them turned off for this thread somehow.
I had the whole intake outside and inside coated in thermal barrier...
Forum: TPI
06-07-2022, 06:32 PM
Replies: 13
Views: 2,634
Posted By newbvetteguy

Re: Passed Smog... on the 3rd try

I'm definitely interested to see what the CA folks have to say, but my understanding is that anything that decreases max cylinder TEMPERATURE reduces NOX formation.
Reducing ignition advance is one...
Forum: TPI
06-01-2022, 11:53 AM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Very good point. If someone wants a "modern equivalent" to a TPI motor that has incredible driveability, fantastic highway MPG, and DRAMATICALLY improved performance, a 5.3 direct inject L83 Gen V...
Forum: TPI
06-01-2022, 11:43 AM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

double post
Forum: Alternative Port EFI Intakes
05-21-2022, 09:57 AM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

Wow. 1.3:1 is extreme; surprised by that. I definitely noticed that the newest generation of cams finally have exhaust lobes where the exhaust side has less lift than the intake. One more reason that...
Forum: Alternative Port EFI Intakes
05-20-2022, 03:00 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

Thanks for the reminder! I've heard Chad say it before, and Darin Morgan before him, in his now taken down prior blog (I guess Reher Morrison made him take it down?), that you shouldn't evaluate an...
Forum: TPI
05-19-2022, 05:34 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

WHY ARE MOMMY AND DADDY FIGHTING?!? ;-)

Had to...

Adam
Forum: TPI
05-19-2022, 05:31 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

VERY NICE Tip! Much appreciated.

I've heard of several ECUs / ECMs that don't do OVI injection at IDLE and I was thinking it was just because it ran crappy at idle; I didn't think about washing...
Forum: Alternative Port EFI Intakes
05-19-2022, 12:23 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

The Speier SFactor 220cc heads have a 2.08" valve and were flowed on a 4.155" bore for a 406, so not but they're outflowing the AFR 220cc competition head for about $300 less. If you want the best...
Forum: TPI
05-19-2022, 12:08 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

I meant to and thought I did reply to this a lot sooner. Apologies for the long delay.
Although, from the few before and after dyno results I've seen, I've seen a 1-2% increase in max WOT power (but...
Forum: Alternative Port EFI Intakes
05-18-2022, 10:35 PM
Replies: 22
Views: 3,176
Posted By newbvetteguy

Re: Affect of intake runner length on torque curve

Like this: https://hotrodenginetech.com/hardcore-hemi-attacks-the-engine-masters-challenge/


Adam
Forum: TPI
05-17-2022, 04:24 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

I've used pre-packaged SSR / PWM controllers in my electric brewing hobby for over a decade and am roughly familar with Arduino and Raspberry PI devices (19 year Microsoft employee), but I hate...
Forum: TPI
05-17-2022, 03:29 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Thanks.

100% true. -I'm TRYING to get prepared to tune my engine, but the learning curve has been STEEP and of course, I can't do anything the simple way, so I want to play with injector...
Forum: TPI
05-17-2022, 03:13 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Another interesting subject! I REALLY love the electronic thermostats that a lot of the modern BMW engines have now that let the engine run warmer at highway cruise for improved fuel economy and then...
Forum: TPI
05-17-2022, 03:06 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Interesting thought!

I like your guess about the injector spray pattern being a challenge; I think that you're supposed to have a pretty narrow cone spray pattern injector aimed right at the...
Forum: TPI
05-17-2022, 03:00 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Good tips. I found the Holley IEA XLS calculator and read some of the threads on it.

I also saw something from Bosch + Toyota that makes me think that Toyota's strategy is now to do OVI even in...
Forum: TPI
05-17-2022, 02:53 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

When I watch that video, I hear him saying that he had the wrong "injector categorization" data -the latency vs. volts vs. PWM % open time "injector categorization" for his injectors at his fuel...
Forum: Alternative Port EFI Intakes
05-17-2022, 02:46 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

Wonderful! Those really ARE great heads!
Another couple points of compression let you keep the same cylinder pressures with a couple degrees more duration and move that curve to the right to target...
Forum: TPI
05-16-2022, 08:25 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

LOL! It definitely did but my ADHD is totally fine with it and I’m following it.

Open valve injector / injector end angle tuning to me naturally leads to talk about ultra high injection pressure...
Forum: TPI
05-16-2022, 08:17 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Thanks! Great example! Looks like 394 rwhp to 408 rwhp from just the injector end angle tuning or 3.5%. About 50% more gain than I’ve seen so far, so a great example. All great gains from just tuning...
Forum: TPI
05-16-2022, 07:14 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

I’ve only seen like 1-2% on NA engines; I think that thread is talking about BIG HP forced induction, but with a knock limited TPI motor, if the evaporative cooling packs in 1-2% more air AND allows...
Forum: Alternative Port EFI Intakes
05-16-2022, 11:45 AM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

I can't tell what the FIRST combo with the "more appropriate cam" reached for peak torque from the chart exactly, but looks like 545 ft lbs @ 4,000 and then an hp peak of 492 HP @ 5,200 RPM.

I AM...
Forum: Alternative Port EFI Intakes
05-15-2022, 06:12 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

Just truly outstanding content! Doesn't get better. I couldn't read past post 170 on my phone because CF on my phone just EATS memory and crashes my mobile browser. Finally getting caught up on that...
Forum: TPI
05-11-2022, 11:29 AM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

Having your tuned RPM be above your torque peak definitely helps with knock there. I'm pretty sure you'd have more issues with knock with a TPI intake on this combo.
-Sometime I'll look into how the...
Forum: TPI
05-10-2022, 05:19 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

What do you mean by DCR varying? You mean between the various online calculators? (or "varying" because of the Rhodes lifters?) -My understanding is that the Rhodes lifters wouldn't effect the...
Forum: TPI
05-10-2022, 12:37 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

WOW. Outstanding. I've actually heard a few people across a few different forums reference your build now.

I did NOT know that you were running 11:1 static CR. -What is your DCR? Do you have your...
Forum: Alternative Port EFI Intakes
05-10-2022, 12:20 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Re: Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

Yep. BadSS on here was nice enough to model my lowly 350 FIRST-based build with EA Pro -just modifying his similar build for what was different in my combo and came up with 440 hp and 470 ft lbs. An...
Forum: Alternative Port EFI Intakes
05-09-2022, 08:05 PM
Replies: 25
Views: 2,304
Posted By newbvetteguy

Software Dyno + Modern TPI Build = Bolt Together +500ft lbs +500 HP

I'd love to see someone who's got a good, modern software dyno application to put together a "Modern" TPI engine that involve bolting together a few off-the-shelf components, just to show what is...
Forum: TPI
05-09-2022, 07:09 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

My priority is getting my FIRST TPI-based high-tech Holley HP-controlled engine just back in my car and running, in a normal sequential strategy with my Bosch 4 injectors, but I plan to test out OVI...
Forum: TPI
05-09-2022, 07:02 PM
Replies: 89
Views: 6,425
Posted By newbvetteguy

Re: Modern TPI Tech that helps "Build a better TPI"?

And as long as I'm "What If?-ing": A ZF 8HP50 or 8HP51 transmission would also be a "perfect pairing" to increase the "dynamic range".

In my version of history the TPI's lower RPM powerband was...
Showing results 1 to 50 of 222
 
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