Does anyone know of a site that gives detailed instructions for the TB bypass and other free mods and which other ones are even worth the work? I already did the FRA and I don't feel much but a dirty filter is the TB bypass a good one and what about the EGR mod?

 

http://www.ls1.com/index_ls1_mods.html

Here are a couple write-ups on the mods you asked about.

 

installuniversity.com

 

i read not to do it if ur in an area that gets below freezing ?

 

Yeah, the reason the factory has the coolant going through the throttle body is to keep the the throttle blade from sticking. I know some people just take off the by pass during the winter.