- Thu Jan 22, 2015 5:21 am
#351219
Has anybody ran a z6 head internals to a z1 I know valves are smaller but would it make a big or small difference in HP I have the p28 ecu and its going on a z6 block with p20 tranny please let me know
- Thu Jan 22, 2015 10:25 pm
#351248
You want to put Z6 parts into a Z1 head and put it on a Z6 block?
The Z1 ports are smaller and the squish area is different. You'd be better off with a B7 head but if you're going through the trouble, get a Z6 head. Sell the Z1 head on a fuel economy forum.