Search found 6 matches

by silver97
Sat Apr 06, 2019 9:21 am
Forum: GM Performance Forum
Topic: np241c to ford np205
Replies: 1
Views: 7712

np241c to ford np205

I have converted my 97 suburban from a 4l80E to a nv4500 6 years ago and the 5.7 to a 7.4. two weeks ago. When i rebuilt the transfer case last year, I found that the rear snap ring was broken which caused a broken shift rail and some other broken parts. I was able to use a np243c I had to replace s...
by silver97
Sun Feb 05, 2017 6:39 am
Forum: GM Performance Forum
Topic: 7.4 L29 swap into a 1997 4x4 lwb 5.7 truck
Replies: 4
Views: 15845

Thanks for posting your swap. I am doing something similar. I have a 97 suburban 2500 5.7 that has a nv4500 I swapped in 5 years ago. I used the harness and ecm from the donor truck. Now I am swapping the 5.7 for a 7.4 that i got from another 97 suburban with a 4l80e. Changing the injector plug wiri...
by silver97
Sun Dec 13, 2015 12:08 am
Forum: GM Performance Forum
Topic: k2500 suburban 350 to 454, 4l80e to nv4500 wiring harness
Replies: 0
Views: 10670

k2500 suburban 350 to 454, 4l80e to nv4500 wiring harness

I have a 97 K2500 suburban/ 5.7. Three years ago I swapped in a nv4500 when my 4l80e gave out. I had a 97 k2500 donor truck so I swapped the pcm, wiring harness and floor shift np241 also. Looking for more power I found a 97 suburban with a 454. After a mild performance rebuild on the 454 it needs t...
by silver97
Fri Feb 08, 2013 3:28 am
Forum: GM Performance Forum
Topic: New here, had some questions about a 383 stroker
Replies: 4
Views: 10398

Unless you install a stock engine a computer retune will be necessary to achieve your best performance. Check to see if that blueprint engine has a rollercam and a timing cover with a provision for the crank sensor. I priced out rebuilding my existing engine to 383 and it come out to less than $3000...
by silver97
Wed Sep 26, 2012 10:42 am
Forum: GM Performance Forum
Topic: Need vortec marine manifold parts!
Replies: 0
Views: 5795

Need vortec marine manifold parts!

My marine intake is incomplete. I have got the upper/ lower manifold and injector rail. Where can I get injectors, fuel pressure regulator, injector connectors, and all the parts to get this thing going. I am building a 383 with a ht383 cam or something a little bit more aggressive from comp cams. I...
by silver97
Mon Jul 23, 2012 4:32 pm
Forum: GM Performance Forum
Topic: Vortec L31 MARINE MANIFOLD project! Q&A
Replies: 1184
Views: 2953132

The only difference bw the Volvo MPI and the Mercruiser MPI marine intake manifold is the paint color..... That's it Just to clear this up for anyone looking to buy a marine intake. The Volvo is very different then the mercruiser. Save yourself the headache and buy mercruiser. If you are talking ab...