How Hard Is It To Supercharge The 4age?

[Mr Revhead[RL]]

its been running like that for a year or so now.

 

4ages can handle quite a bit of boost stock.

 

i think youl ahve probs running 15psi in a sc12.... they start to become unreliable at around 12 i think.....

 

the small port head is superior to the big port.

youd have to be pushing some serious boost and power to make a bogport head work properly!

 

i even know of a small port thats had the ports filled to give best results....