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11-20-2004, 05:26 PM
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finally finished chevy 350 build
well finally finished my chevy 350, after that fact that the company sent me the wrong year pistons(ring groves were'nt deep enough). ran it on the dyno and made about 430-440hp. I've seen a few threads here about 305 heads on a 350.....and people say thats junk, well. i hate a set of 305 heads laying around with 58cc chambers. i did alot of research and port and polished them myself to wut can be considered to 350 specs, well let me tell you now for a fact that they arent junk on a 350 (ofcourse they can be if not ported correctly). It saved me alot of many than goin out and getern a new set of edelborck or dart heads...etc. i was able to put the money i saved into other iteams for the motor......
edelbrock cam edelbrock intake edlebrock carb keith black pistions msd distributor and igniton custom made headers (wont tell the specs. wouldnt be a secret motor after telling that...j/k) But neways just wanted to let yall know that 305 heads did me good, and dont be affraid to experiment, just read up alot before you do sorry about the spelling, just got home from work.My brain hasnt slowed down yet 
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11-20-2004, 06:03 PM
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Secret motor?
Aw come on,share the wealth,that is what it's all about.
 Good deal man.
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11-20-2004, 06:35 PM
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350 Chevy Rebuild
I wouldnt knock those light weight 305 heads. Around these parts there are very popular for stock car racing, particularly in the IMCA modifieds and the hobby stock classes. Apparently they can be made to flow quite well with 1.94 intake/ 1.60 exhaust valves with little effort, not to mention their being somewhat lighter than earlier heads and ones on the "higher performance" engines.
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11-21-2004, 04:04 PM
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yup...thats the same size valves i got in em. It's glad to see people around your neck of the woods are doing the 305 heads. i had a buddy of mine laughing at me about that, but he wasnt laughing when a pickup beat his nova...haha. talk to you guys later
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11-21-2004, 08:39 PM
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It would still be intersting to see how the dyno would compare to a good set of aftermarket heads. Definitely cant beat it price wise with what you did.
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11-21-2004, 08:50 PM
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yea so would I. I would have gone with a nice set of edelbrock heads, but then something in my crazy mind told me i already have no money. haha
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10-27-2010, 11:01 PM
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starter issue
i just put 305 heads on my 350 my question is do i need to go to a high torque gear reduction starter, cuz i just went through two starters while lashing the rockers and timing it
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05-30-2011, 06:03 PM
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glad to see
i have built the same thing you have recently and will second the opinion on 305 heads. those guys out there knocking them obviously havent done there home work buddy. i built a 350 4 bolt main , flat top keith black pistons, 496 ... cam, ported and polished 305 heads edelbrock performer rpm intake and a edelbrock 650 thunder series carb, flowtech long tube headers and dual thrush two's. i am passing everything but the gas station right now. best part is i put it in my old 83 chevy long bed its primered gray and everyone pulls up on me thinkin i got junk. till i turn her loose and blow there doors off.. nothing better than a classic
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