Sorry, I have not posted sooner.
Best run with siamese bump port 10.42
best run with stock head with divided ports 9.98
Best run with Brazilian divided head 9.61
Best run with Kirby- Sissell head yet to be determined
The turbo is my design and is proprietary info. right now, I have wanted to try a turbo like this for some time.
Turbo-6.
If you can recall the boost levels you were running w/the different head combos?
Thx
MBHD
