Forum: Powertrain

Hey guys, I'm about to do the exaust on my truck, and I need a little advice from somebody that has some experience in it. I'll be running some...

What disadvantages if any does the flex fuel motor have over a regular 5.3 when it comes time to install heads and a cam or nitrous and other types...

Where can I buy a larger fuel pump for my '04. I think the stock pump is not keeping up with 6-7 psi of boost and 44lb injectors. I did a search,...

Ok I go for a quick spin to the store last night and when turn hard left and getting on it it made noise like the left was spinning and or jumping...

I posted this same question on LS1tech and wanted to post on here to see what kind of responce I could get. Do ya'll know of any SCSB Z71 N/A 5.3's...

Hey Guys, just posting up on a small build I'm doing. I have an '04 GTO here getting a new engine, stageIII heads, healthy cam, 150 N2O. The...

Ive been wanting to do the throttle body bypass for awhile now and was wondering what sizes the fittings were, if yall could also help out in where...

ok what size pushrods should i get for my 02 z06 cam in a 04 4.8? thanks danny

My truck sits slightly lower in the rear than it does in the front(I think cuz it had a 4.3 v6 & now an all aluminum LS1). The rear has a flip kit to...

I have seen this floating around the site before, but didn't pay attention to what the big deal was about a trailblazer stall? Does it work as well...

I just got my hot rod mag. To make a long story short.... HR took a new LS7, installed a hot cam and made 600hp at 6800 rpm and 526 lb-ft of torque...

Well ive been thinking about getting the low lift version of this cam to put in my truck. It's a 01 rcsb w/4.8 auto and 3.42's. I plan on putting...

Okay I have a problem with my 4WD...recently I have been getting loud clunking noises eveytime I have my truck in auto4WD, or in either 4-hi, or...

Guys, I have a new trans on the way as I posted in another thread. A seperate issue, don't think its the tranny doing this. I have been having a...

okay i have been planing on doing a 6.0 swap into a S-10, and want a cam that will pull though out the whole RPM band, i am thanking a 224/224 on...

Just wondering if a lot of you guys remove the MAF screen. Since i have a turbo i got to thinking that maybe it is a restriction to the BOOSTED ...

I was just wonderin where to get a 160 t-stat for my 1999 5.3 silverado? or would a 180 be a better option to go with considering the only mods are...

Anybody know the stock fuel pump flow rating, liters per hour or equivalent?

Would a complete ls6 cam and valve train minus valves be worth the time if the price was right? Parts are used but only a few thousand miles. If...

I have been looking all over the place for a quick ratio steering box for my 95 gmc sierra, and I cant seem to find one. Does anyone have an idea...