Search found 3 matches

by 88ZNX
Sun Apr 12, 2020 7:11 pm
Forum: GM Performance Forum
Topic: TPI ON VORTEC 383 97 2 DOOR TAHOE
Replies: 3
Views: 4391

First off what is your goal, you are talking about taking the engine beyond 4000rpms. So a TPI is probably not what you are looking for. My particular builds on this subject or all about low end torque for moving heavy vehicles, I am not concerned with horsepower or RPMs because these trucks are not...
by 88ZNX
Tue Feb 25, 2020 7:04 pm
Forum: GM Performance Forum
Topic: TPI ON VORTEC 383 97 2 DOOR TAHOE
Replies: 3
Views: 4391

TPI ON VORTEC 383 97 2 DOOR TAHOE

Hi guys I have just completed another Tuned Port Injection on a Vortec Tahoe. I’m getting it down to as simple as I can so you guys can do it yourself with only a couple of special parts and the rest from local parts house. I will post pictures of I can ever figure out how on this sight.
by 88ZNX
Mon Jan 13, 2020 5:06 pm
Forum: GM Performance Forum
Topic: 98 GMC Twin Turbo with 12200411 PCM--- It's Alive
Replies: 1120
Views: 1801570

411 swap for 1998 chevy 3500

Hi I am new here I just found this forum. I recently built a 383 with a TPI and installed in my 98 Chevy 3500 with 4L80e trans. I had it Dyno tuned 249hp 460tq. The tuner told me if I swap to 411 pcm he could tune it much better. So I got the vin from a 2000 Chevy expres van that comes with the 5.7 ...