Quote:
Originally Posted by Longhorn 70
There are BIG valve 624s that work well on the street. They are said to be "prone to cracking" but if you keep them cool they last. They are 76CCs but you get to run regular unleaded in them.
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running a 93 octane pump gas doesnt concern me(93 octane i believe is safe for 9:1 and 10:1 correct?), this truck wont be as much of a daily driver as it will be a weekend driver, drive it to the show, take it to the strip kind of deal.
i think my decision will lie in what the machine shop has to say, but for now i think i will run the motor in its current setup until the truck is done and i have some money laying around. but shortly after, i will be looking into a set of new heads. i dont think i want to run used heads (experienced that with this motor, the heads were used and i foolishly spent a couple hundred bucks to have them fully rebuilt
) id spend a couple hundred extra to have a new set rather then fool around with buying a used set that i have no history on
this leads me to my next question for you guys (you all seem very knowledgable on this subject) what kind of heads should i buy? i plan on keeping my cam set up, same intake, maybe a different carb (i like the demon carbs) just need a head change. should i go aluminum, or stick with cast iron? i was looking at edelbrocks website on there alumiunum heads (edelbrock is a name i know and trust, that why i went there first) but they have several different series of heads and im not sure which one is best for my application, should i look into different brands? dart, trick flow, afr? you guys tell me, given my current setup what would be the best bang for the buck purchase? ultimately i would like to get 375hp out of my current setup (is that do able?) or even more maybe?