Forum: Powertrain

i have a cracked manifold, so i bought some pace setters to install instead of putting crap manifolds back on it. i'm going to run them straight into...

Hey guys I have a 90 454SS truck that has been lowered a lot and its time for rear shocks as the rears have some flat air shocks right now and it...

Maybe I'm crazy but just today it seems like my TC won't unlock (in D or 3), it's a yank 2600. I just personally flushed the tranny and everything...

For my NBC '99 RCSB Z71 to replace the 4.8L (has 3.73s): - Stock Rebuilt LM7 bottom end w/ crank kit - Comp LSr 219/227 .607"/.614" 112 LSA...

Help me beat some more this dead horse ! For what I read and know, lower gear ratios are a no-no for boosted aplications. Lot of reasons here,...

im fixing to install a tru cool 40k on my truck and my question is which way will the tranny cool better,threw the radiator then external trans...

Hey guys I'm ready to finally get out of the bolt on realm. I have been having alot of lifter rattle recently so I decided to go ahead and do a top...

What size ring gear does my 05 GMC Sierra CC 2wd have? Is it the 8.5" or the 7.6" How would I find the difference? Also, what the spline count on...

I'm in the process of building a 54 GMC pickup and have a 5.3 from a 02 and am have a zf-6 6 speed from a 92 vette that i want to use. My prob is...

This is my first thread so I apologize for stupid questions.. I have an 04 RC/SB 5.3 w/ a Powerdyne DB11A pushing 9-10psi boost. I unsurprisingly...

I am interested in getting the FAST intake for my 04 5.3 and a LArge Mouth 102mm throttle body but my truck is fly by wire. I believe the Big Mouth...

I have a locker (or maybe the gears are just welded from the previous owner) in my 2000 gmc sierra 4x4 ecsb. I am wondering if I can put the locker...

Hey guys im getting ready to get a posi and gears for my truck, but i was just wondering what gears i already have. its a 92 rcsb 350 5 speed 2wd....

so im lookin to rebuild my 6.0 i have in my truck and posibly go to a 408 or bigger. anyone got some advise on what manufaturers to buy from ? i got...

Alright, so I have picked up some different combinations and now I am not sure what to do with them. I have numerous motors, three of which are high...

Is this possible? I want to do it for street purpose. Is for those cars on 155mph+ Last night I was 135mph+ and slowly a car start catching...

Wondering what to add to my recently rebuilt 4L80e? What shift kit? Servo etc. Its been built with upgraded cluthes and has a jr pressure release...

Does anyone no what can fix an misfire on an chevy 5.3 ????

what should i get done to my transmission because its about to go ?

so i have a 2002 ccsb 2500hd that dropped the valve in #7 cylinder so i decided it was a good time for a rebuild. i am doing mostly stock with a cam...