Big Block Head choice 781s or .......
Gents, I'm about ready to choose heads for my big block project. They will be going on a 69 Chevelle agressive street machine trying to hit 500hp range. I bought a set of heads 14092360s that according to Mortec are late 80s oval port truck heads. They have been prorted and polished with 2.19 1.88 valves and new springs. I got them for $500. Basically, they are ready to bolt on.
My other choice is a set of early 70s oval port heads 336781s that are still bone stock and came with the block I bought.
What are your opinions on opening up the 781's and selling the others., or using the later 360 truck heads that have been modified already. Are these the peanut port heads I hear about?
I have a guy interested in the 360s, and I don't know if I should part with them ort not.
I'd keep the 781's , I believe the 360's are the peanut, you should see the difference easily, and you won't get near 500 with those.
I'll buy the 781's if you don't want them.
The book I have lists 4 sets of heads with specific casting numbers as being the "hot ticket" and the 781's are one of the 4.
Apparently the route you want to take is put in bigger valves...or just sell me the heads.
Unstable, What are the other three you have listed?
Are the other ones on the list at all?
oh sorry...I was wrong, your casting sucks. sell them to me. :D
Ok here's what the book says:
are all hot castings.
I do know someone with a set of 840s for sale. I think they are late 1960s castings. Any mention of these in that book of yours?
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