Originally Posted by
Colly473
Hi guys
Looking for a bit of advice on which is the best turbo to make a good solid reliable 400-450 with minimal lag!!! Have a good spec 7.2cr engine with ported head cams etc.preferably internally gated.was considering borg warner efr or gt3071r.any help would be greatly appreciated from people who have tried and tested
Thanks eoin
borg warner efr i know they have small diameter of the front back wheel but you can have many bar boost 2.8 3 bar.and minimum lag .but very expensive ..change the cr is to low cant help you to reduce the lag .go for 8:1 8:5 you will see big diffirence in low rpm