Forum: Powertrain

What do you guys think about using aN LPE cam, and COMP springs on a 5.3? OR...the comp cams cam with their programer with their rockers. I just...

I am considering purchasing some bare heads here that are polished and whatnot. They retain stock valve sizing and stuff which I prefer (despite...

They sent me an entirely wrong part, transtar servo piston, when the packing slip and email confirmation said I was confirmed to get the Transgo and...

Everywhere I've searched only shows lifts up to 2003. Does anyone know of a 2" or 3" body lift that will fit my 2004 Sierra 2500?

I got to thinking, I know that the 4L60E converters have different STRs. The 5.3s are only a 1.9 (I think so are the 6.0) and the 4.2 and 4.8...

Well I could get a set of Racetronix 42lbs/hrs for about $330 new and those are rated at a higher FP than the Bosch/Ford style green 42lbs/hr that...

I am in the middle of a LS1 swap and I have to relocate the battery in the truck to the other side because of how I have to run the engine...

Hey guys I have a set of fully ported heads from my 5.3 litter shave .30 with 2.05 1.57 valves. Right now I have a stock 6.0 in my truck would these...

I could use a little advise on cam selection for my truck. It's a 2004 5.3 rcsb w/3.73's. I want a little more mid-upper range power without loosing...

Isn't there a GM part number for the piece to block the hole in the '99-01 intakes? :smile:

Ok, I'm installing the transgo this weekend and looked at the haynes about dropping the pan. So i have to disconnect that shift linkage, ok check. ...

http://www.bbkperformance.com/products/intake-manifold.shtml • Adds 12-25 horsepower over the factory manifold • Standard 85mm throttle body...

Hrm... will regular SBC ones work on this LS1 based 5.3 or ??? ARP have a set of 12 points? I know I could go with Stage 8s also...

How large are these injectors per application for like '00+ vehicles? 5.3 6.0 5.7 I'm thinkin' it'd be cheaper to swap to an LS1/6...

Ok I think this is where I should post this... I have the Dynatech Headers on my AV and keep blowing my rear O2's... I have gone through 6 in 2...

Okay, I'm thinking about that 402 from SLP. With a decent cam (230/236 .575 114LSA) and good heads (warmed up 6.0 ones) I figure it should make an...

I know all of you know about it. The potential of these heads on the 5.3's. The guys at Total Engine Airflow out of Bowling Green, Kentucky are...

What is everyones head #'s The three numbers one the Front of the head on pass. side Back of the...

Ok I have been searching through the boards trying to find an overall consensus of what needs to be done to the 4L60E in our trucks to make the best...

Man, I seem to have my 1-2 upshifts on the tach around 5300rpm but when Allen tuned my truck it was set for about 5800rpm for the 1-2 and like 5700...