Forum: Powertrain

Would like some help with this. The wife's 5.3 has cracked heads was going to just change out the heads but at 250k why. I have a 4.8 with 40k on it...

Hey guys Im doing a LQ4 into a 22ft winnebago RV with a 4L80. I will be using this rv to go on cross country road trips with friends and more then...

Hey guys I have a issue from trying to use my built 4l60e to my new 5.3. It feels like the torque converter is pashing against the flex plate and not...

Has anyone used the OBS to LS swap long tube headers? Stainless steel and look pretty good, just curious if someone had used these before?

I have scoured the archived forum posts to get an education on my problem. I’ve found some help but not enough. Here are the particulars. The...

Which would be good for a street/strip truck with a carb lq9?

i know there ain't hardly nobody left who likes rowing their own gears nowadays... much less folks who also hop up the engines, too, but hopefully...

Does anyone know the maximum lift on the stock 799 valve springs? I bought some 799 heads, and also got a cam package from texas speed with the ls6...

Newb here!! I have been looking around and I have kind of go some info on it, like the 32 pin input shaft/gear for the Transfer case, and reflash of...

hi all, im new here. ive read through many of your guys forums for years. just never joined till now, anyways. I have a 2004 silverado ls long bed...

Anyone know of a thread i can read up on with 4l60e issues not wanting to stay in fourth gear. Can cruise 70 in fourth with lockup on but any...

I've got an 01 2500HD that needs a rear main seal, and at 130,000 miles I'm not going to leave the original clutch in there. My plan is to put a...

Hey techs i have a question right now i have a 2002 ext cab 5.3 fullbolton with a new body style intake ported and some 243 port and polished with...

Looking for some info and advise. I am swapping a LQ9 6.0 Liter into my 98 K1500 Sierra. I see that there are adapters available but I don't know...

Basically I have a 1996 Tahoe 2 door 4x4 and just found a huge crack in the L31 Vortec 350 so that engine is going bye. I just bought a 2001 Camaro...

About 3yr. ago I changed the factory plugs on my stock 2000 5.3L w/ NGK Iridium IX plugs. At the time these plugs came w/ an 0.060" gap and my...

I purchased a used 4L80 with converter out of a 2003 3500 diesel and would like to know what kind of problems I will have using that diesel torque...

I am swapping my 4wd 4L60E for a 2WD TH400. I will wire the neutral safety switch appropriately to the new hurst floor shifter and I will be...