302 heads
This is what I’m seeing from the first post:
I just read a mopar performance page that said on a mild to moderate build that the 302 casting heads would outperform the large valve j or x heads.
I read that as....”I don’t have any heads for my 340, and from what I just read..... 302 heads are actually a
better choice for my moderate build than 2.02 valve X or J heads”.
And to that I say........ I don’t think they are.
If I have to buy heads to put on a hot street 340/360....... I’m not going to hunt down some crack prone 302’s instead of a set of 360 heads.
If original looks aren’t a concern, and you’re trying to make some power........ installing some EQ heads are going to be the best bang for the buck.
Just go the whole Magnum heads/valvetrain route.
If you’re only looking to make 325-375hp, some very mildly reworked 1.88 valve 360 heads will easily get you there.
Maybe the 302’s work fine on a milder combo, but after I did that dyno test with them in ‘93, they weren’t even on my radar.
