Forum: Powertrain

I smell NOS......maybe 200 shot? Red, whaddaya think? Will it take it. The block was built by Erik in Houston, got it thru Billy @ TRT. He...

How many rpm's does a trail blazer stall drop as opposed to buying an aftermarket? I am not worry so much about the brake stall but more on the lines...

Just wanted to be certain before I pick up a used LSD to use until I swap to 10.5 FF

Gettin ready to install the Pacesetter LTs - whats the best gasket to use??

So yesterday I was on a back road, and I decided to open it up, BC the road is perfectly straight. I got up to around 110 or so and layed off. Came...

Wonder how this would work ? www.hotrodsandhemis.com/Traction.html

do these work hand in hand meaning both would be needed but not neccesary. or is one better than the other ..

I have a 2000 GMC 2500 excab short bed 4x4 with a lq4 6.0l.it has cast iron heads,I got a set of ls6 243 heads and a set of ls2 rods and pistons for...

When I buy this engine, if I take the heads to a machine shop is there anything I can have done to them to make them better. I did a favor for a...

yesterday while driving home i could smell something burning but i wasn't sure. after i parked my truck in the driveway and got out, i walked around...

Anybody had this problem...My rear leaf spring mounts that attach to the frame split in the middle.The drivers side about 2 months ago and now the...

I'm just wondering if someone can give me a line to a thread that talks about the best bolt-on mods for the money on my 5.3L Vortec? The only reason...

I think after finding out prices from FLT and a local tranny shop, that i just don't have that kind of money right now. I was looking at Jim Parish's...

OK so just driving along and suddenly my engine starts ticking like I've got a dead lifter. BUT.. couldn't be cause the lifters have less than 700...

I am running 22s on some pretty beefy tires in the back. I just had 4.10s installed a couple of months ago and thinking of steping up. What are the...

Street, not the track. I don't think Caltracs or other traction bars make any difference, do they? I have a G80 & 3.73's, so most of the time the...

Well I've been hearing my headers leak for a while now and finally got under the hood to tighten down the bolts, thinking that would fix everything....

Just got the headers in the mail from Summit today. When I looked at them though, every primary has about 1/8 in. coming inside of the plate that...

While cruising, my AEM wideband bounces around like crazy. It spends most of it’s time on the lean side. Is this normal? At WOT it is pretty...