I have recieved a lot of good info here so here is another question. I have replaced the stock air cleaner with a K&N Cold Air Kit. I was told the next good step to an increase in HP would be a different Throttle Body. If this is good inforamtion, what size should I get were I will have the least additional modification? I am doing the work myself and I am doing it in steps. If this is good, were and what size. Thank you very much.

Mark
Mpeterbult777@live.com

 

No offense against you, but personally if all you have done is k&n air box. The next step I would do is exhaust. Either 2 1/2 or 3 inch downpipe, most would say 3 inch do you being supercharged and get the u-blend deleted. There is afew more mods you can do before tb. There is some good stickies about building the 3800. They are great and have different stages so you can kinda see where you need what. Just an idea

 

Agreed- you have a lot of other mods to go before your TB is your major restriction- try and find the sticky for 3800 modding in one of the engine sections.

I'd do rockers, a powerlog or headers, a downpipe, and a sc pulley before I'd think about a tb.

 

I would do other mods before the TB myself either exhaust or suspention upgrades would be my first choices.