1970 340 has the 1973 low compression pistons

OP say it with me now.....booooooooost.

3forty said

My '71 340 Duster has the stock factory cam and pistons. No problems running on 94 octane gasoline.

Click to expand...

I love statements like this, when half the factors that affect detonation are left out.

Timing? 10 degrees after top dead center.
Cam overlap? 110 degrees.
Chamber volume? 200cc's.