Forum: Powertrain

just wondering, would an 85mm throttlebody bolt up and work properly with a 5.3l intake manifold

I got a buddy thats trying to sell me some Venom 24# injectors. They have about 8-10 min of run time on them and he wants $100 for the set of 8. I'm...

ok i have breathers on my pvc and valve cover cause when i get into boost hard i was getting oil in my intale ,hence fouled plugs smoke etc.the...

4L60E Level 5 Racing Tranny, cap 800hp 2 year unconditional warrantee, handles 800hp and will bolt right in... for $1,450... is there something...

So I got my mcgauphy's 2" shackles today and they look awesome, I was real excited about puttin them on. So for the past week I'd been spraying wd-40...

Is seating a valve something I should attempt myself or should I get a professional to do it? I have seated valves in a briggs before so I have some...

Free shipping on all FLT transmission orders for the month of July. This is for continental U.S. only!!

There's no info on a TT 5.3L on the site as far as I can tell so I just wanted to start some discussion and see if we can't work through this set-up....

Just a little curious but about how much boost can a stock 4.8 bottom end handle? Or would a better question be, how much power/torque could I make...

Just wondering who you guys would recommend for doing a good job at p&p a tb? Like always, what gains if any did you notice...I've been reading...

So im finishing up the LS6 intake sawp on my 5.3. I bought a rebuilt LS1 water pump off ebay. I got it tonight and stuck it on. The pulley sits in...

This is the piece going into the firewall...the hose broke off a while back. I bought one of these fuel and A/C disconnect tools, but can't...

After the ls6 swap i'm looking to get blown.... but which one, i was thinking vortech but seems low tech and out dated. I have had my eye on a...

Is the the correct TB stall? Seems like a really good price or something's fishy? eBay Motors: 04 Chevy Trailblazer Used Torque Converter, 4.2L...

i have a chance to buy a 2800 or a 3400 rpm stall my s10 is cam headers tune etc. but has 4.10's and makes good torque ,and im putting nitrous on the...

Just received my scanguage the other day and put it on the truck. Driving to work today was showing the engine temp at 186. I know a stock one is...

What do they do and why, what don't they do, are they pricey, are there limitations, do they work better in certain apps or environments, I assume...

Cans someone give me a link to the correct head gaskets for my 5.3 from summit? I want to order them at the same time I get my push rods but I am not...

Hey guys, I just bought a djm 4/6 drop kit with some doetch shocks, Im a do it yourselfer... and i have never done anything with suspension. ...

The hose to the right, which from what Im guessing is supply line to the heater core???? Anyway it turns into a geyser this morning right as Im...