Forum: Powertrain

ok i took the trans out of my 1994 z71 4l60e 4x4 m30 style (solid piece case transmission because the transmission housing was cracked at the...

I want to change out the thermostat when i do my coolant change a was wondering if that 160 degree t-stat from slp is too cool for my 4.8 w/t ?

Anyone tried to use Summit's fuel hose inside the fuel tank? Thought I'd try it out and see how it holds up. I have about 18" of 3/8" hose inside...

Not here to debate whether one should or should not remove the catalytic converters, its not something I would do. I know someone with a 99 chevy...

does any body run this size tire on a lowered truck? if so post up some pics, also what size drag radials are you all running on 16's?

So I have a steep driveway that still has some snow on it. I have the manual 4x4 and when I engaged it, it didn't engage right away. I gave it some...

If anyone needs to replace the shift cables on thier trucks its a 2 pc cable. I'll put the part # at the bottom of the post. Anyone know how to...

Sometimes when im driving down the road and rull into it with the tranny in the 3rd gear position, it will take off good but sometimes after i let...

well picked up a new cam for my truck and decided to upgrade timing chain and oil pump while i am at it, what timing chains and oil pumps are u guys...

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...