Forum: Performance Modifications

Child Development is influenced by a wide range of factors, including genetics, environment, experiences, and cultural and societal norms. It is a...

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Individual Support Courses And Certification qualification reflects the role of workers in the community and/or residential setting who follow an...

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Hey everyone. So my 2006 GMC 1500 HD Crew Cab 6.0 rusted through a spot in the factory y-pipe. Truck has a 12" CST lift. Transmission rebuilt with...

I have an 03 LQ4, and would like to put in a set of cheap LQ9 flat tops, but the rods in an 03 LQ4 have press for Pistons, and all the LQ9 pistons...

Hello, I just received a used Chevy 5.3L Vortec engine (LM7) out of a 2003 Silverado. Everything on it is stock at the moment and I would like to...

As far as I know, this has not been done. I will be attempting the swap in the next few days and will keep a nice record of how it's done so others...

so im new to this and trying to build my motor right. i have a 5,3 with 799 heads. im pulling the motor to put in LQ4 block bored 30 over forged...

OK here goes.. why not replace the stock 2004 gmc5.3 pump witha E85 pump to get more flow right..afterall E 85 needs more flow for given HP! ...

How do I move a thread from pics vids to here? I'm going to need technical input and suggestions in this super budget build beast lol....

I talked to arh today. They told me they didn't have headers for my 2004 2500 Silverado 4x4. They said the headers would fit but the mid pipes...

going to be getting a new motor for the truck the 5.3 is on its way out... heres what im thinking lq4. 317 heads. may have them cleaned up see...

Hey guys, about two months I purchased a 05 Silverado 1500 ext cab 4wd with the dreaded 4.8. Was kind of in a bind and needed a vehicle or I would've...

Haven't been able to find information on weather i can run E85 or not on a 2009 GMC sierra 4.8. In HP tunersit does have a section for flex fuel and...

So I am in the middle of doing a 6.0 lq4 swap into my 95 k1500 and am looking to do a cam while I have the motor out. It'll be a first as far as...

Hi Guys I have a tech ? I purchased a TCI flex-plate for my truck after i found out that my stock one is cracked. here is a few details on my...