If I remember correctly, the rods are the same length and size, the pistons are much different, A15 has a bigger combustionchamber and it

Yeah, go for a custom made exhaust manifold..... It

Tahnx guys, but I

It

Quote:
Yepp, I will try it and I don

Hi guys!
This is my brothers cylinderhead that will be modified with 40mm intake valves and a 33mm exhaust valves, massive portjob is also included.....
This cylinderhead is made for a street/dragrace engine for my brothers datsun E10.
My question is!!?
I am planning to cut the valveguides against the top of the port, as done in Feral

The A15 head is the best one for non-turbo engines, the A14 head is better for turbouse when you need a lower cr!! Still I use the A15 head on my turboengine cause I don

Hi Will, yes you can use the A15 head straight on the A14 block, without any clerarance problems!! I have only raised the compression by using flattop pistons so I don

I have been in your shoes...... I know how much help it is to get advice from those who have learned from their mistakes.....

I believe that you can go close to 14psi with injection and a good intercooler!!