Siamesed TPI Base and Runners
I've got a spare TPI to do the work on, and from what I hear this is a very worth while mod to to.
What i'd like to know is HOW DEEP and HOW FAR to Siamese and Port them. I can imagin theres a point where power will be lost if taken too far.
I have aluminuim heads and slightly better breathing cam. I want to go for something much more aggressive in the cam area - I NEED some lope!
Please if anyone has done this please get in touch. Some before after comparisons would be great.
If anyones interested I will do a HOW-TO with pictures when I do mine. I also hope to be able to do a Power Run - before and after - on the same day/conditions.
Thanks in Advance,
Dan





