I have a '74 block with .030 over dished pistons.
The heads are '66.
Other than the overbore, I think everything is stock.
I think dished pistons were normal for '74, but with the combustion chamber of the '66 heads, I maybe down around 8:1 or lower.
The lady I got the car from got it in the late 70's and whoever did the engine work was before that, 'cause she said it never had been apart.
I checked compression a while back and got 125-135psi
When I took it apart to put new gaskets and seals, I could still see the crosshatch pattern on the bores.
What do you engine gurus think?
The heads are '66.
Other than the overbore, I think everything is stock.
I think dished pistons were normal for '74, but with the combustion chamber of the '66 heads, I maybe down around 8:1 or lower.
The lady I got the car from got it in the late 70's and whoever did the engine work was before that, 'cause she said it never had been apart.
I checked compression a while back and got 125-135psi
When I took it apart to put new gaskets and seals, I could still see the crosshatch pattern on the bores.
What do you engine gurus think?
