Forum: Powertrain

if anyone on here has had bigger valves and port polished 5.3 head if so what size of valves and hp gains i've looked everywhere and cant get a good...

Don't think my consumption is normal. I have to add a quart every month or so maybe. Thoughts...?

I need stuff in writing or I forget. Looking for recommendations on a cam for a turbo setup... Sorry - this is my online note taking area: Per...

Since I've done my swap 3 years ago when I changed all fluids I haven't changed the transmission fluid . I've logged about 45,000 miles since then ....

Ok, Heres my problem I put a 2004 LQ9 10K miles I hook all plugs back up all grounds back to block, and engine starts right up no problem runs a lil...

I was wondering guys can I take out and keep my stall converter thats on my truck now and put it on my TBSS? The TBSS has a 4L70E? (if I got that...

Anyone in the austin area have one i can borrow? Just need to test my fuel pressure, I am more then sure its really low. Its hard to start some...

2000 Tahoe, 5.3, 90+k miles, purchased in December. The tranny got a little hot on me twice last winter going up the hill to a local Ma & Pa ski...

Okay, I've got a lot of good info from you guys on my 4l60e so let me ask for some more. Lots of you have suggested I need a shift kit because...

OK I am a veteran of LS1Tech.com and I have done massive amounts of work on LS1 engines in camaros and firebirds and corvettes. I have not done any...

I know there are a few posts out there about lowering, but i just wanted to ask you guys about it. I want to remove the rear blocks from my truck,...

I am in the process of taking my motor apart ( 1990 pickup 350ci) and wanted to know if anyone had any tips for taking the damn bolt out from behind...

my girlfriends truck is a 2001 4.3 v6. and the check eng light came on with the code P0446 reading on my obdII. ive read that if the vehicle starts...

What's that loose sounding noise from my stearing column??? It's a 2006 SSS and at lo lo speed there is a clunk you can feel in your hands like the...

what do you guys think on the suncoast ram air hoods with heat extractors and cool air systems? versus just a cool air system. is it really worth...

I was wondering what widebands your all running, where you all have them mounted in the cab, what brand you would recommend. I was looking for...

well all i put that new fuel pump and scrrener in and a fuel filter 2 weeks ago, went and filled up today at Swifty gas and now truck runs like ****....

Tell me what you think of this for my exhaust. Long tube headers that are being built by Nitrous into two 2 1/2" pipes that meet in to thisSummit...

i was going to do a full dual exhaust, headers back, but now that i think about it, for about the same money, i could do a tune and headers, or a...