Forum: Performance Modifications

Anybody know what size fitting goes onto the schrader valve on the fuel rail? I know you can get a NPT sized fitting... just don't know the size. I...

What headers are you using in your LS1 swapped C1500 trucks? Will late model headers fit? What about the headers for the Hummer, will they work...

well i played around a little today. didnt finish as i had other things to do but i did manage to get it started. and V8 came by to lend a hand...

need help. I just put a smaller pulley on my procharger and im experiencing problems. i replaced the belt tensioner, put the smallest belt on that...

Just wondering about how the exhaust sounds? Is it loud and does it resonate in the cab?

I'm looking for any certified Magnacharger Installers in the Western Penna. area. I have an 04 GMC, and would like to be able to have the benefit of...

The subject says it all! We're offering deep discounts on superchargers from each of these manufacturers. This applies to all systems that they...

how many cfm's can flow thru a stock 6.0 throttle body and a stock mass air flow sensor.

Hey All I have just bought the STS kit for my Silverado SS we will be running 43lb injectors, larger in tank fuel pump a methanol kit with...

I will be adding Nitrous to my list of mods hopefully within the next few months, and I was wondering which way I should head with it. From what I...

I have an 03 Sierra Denali, 6.0l and ! would like to hide a NX wet nitrous system on it. I was wondering If I can hide everything under the engine...

Wondering if anyone is intersted in installing one of these. I'm thinking about coming an installer/dealer for STS and I need a few test trucks....

Hey allen I am in norman, OK and am having some issues with my radix kit, once I get it back from magna in hopefully working condition, if I make a...

Hey guys, I have too many pullies for the Radix and Magnacharger, they will be on sale for $70 each. I have two 3.25" and plenty of 2.75", 3.0",...

First off...my props to Allen. Been helping me out on emails, real damn nice guy! I am no mechainc by any means, although I am pretty doggon...

Here is a calculator for the guys running nitrous. I called nos and the jets they say to use are the same as the calculator comes up with. It also...

Could i put a plate shot on nitrous on a 305 that has a holley 650, hooker headers, x rods, rv/towin cam, new lifters? if so how much of a shot?

thanks to brian (the ProjectR stork) for dropping it off friday I am the proud father of a Radix Blower!!!! :rock: :thumb: lots to do before I...

where can i get a turbo kit for my truck. its a 2000 sierra with a 5.3 and an automatic.please help.

Ok, I don't think I've spent ENOUGH money on my truck yet, so I'm considering having a performance cam installed. I already found someone who is...