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Need some major help with cylinder heads!!

Discussion in 'The Garage' started by Tshane, Jun 9, 2003.

  1. Tshane

    Tshane 1/2 ton status

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    I'm in the progress of gettin all the parts rounded up for my 383 i'm building. The engine i expected to get the heads off of for it wont work. The heads on it are 58cc heads and with flats top pistons in a 383 that going to be way to much compression. I'm dont really want to run vortec heads because of the cost and the intake i have wont work with them. I'm wonder what you guys would recommend i should use for heads??? I know the smallest chamber i can use is 64cc and thats pushing it. I dont really know much about the flow of the different type of heads. So i'm totally lost on what to use or do /forums/images/graemlins/1zhelp.gif /forums/images/graemlins/1zhelp.gif
     
  2. 1972Blazer

    1972Blazer 1/2 ton status

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    I have been building Small Block Chevrolet engines for over 20 years. i would recommend a set of aluminum heads from the companies producing them now. The aluminum heads will also disipate heat better so you can run a higher compression ratio too. They are cheap ($1000.00) and will provide any combustion chamber you so desire. It is just to easy to build a quality engine these days.
     
  3. Tshane

    Tshane 1/2 ton status

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    I would love Alum. heads but i can't afford them. I'm 17 and have a shitty paying job. I have a lot of other stuff i need to do with that money. I know i will have to pay some money out for heads but i was hoping for it to be a little less then that any other suggestions /forums/images/graemlins/thinking.gif

    Anyone want to give me some free one....yea right LOL /forums/images/graemlins/rotfl.gif
     
  4. blasterD

    blasterD 1/2 ton status

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    Any 76cc head (most pre-86 Chevy 350) can be bought and rebuilt for around $150 depending on your local machine shop prices. This head would perform well on any stock or mildly cammed 383. If you are looking to step up the performance a little, Vortech heads would probably be the next logical step before dropping $1000+ on aluminum heads. Stock Vortech heads flow better than a lot of aluminum heads anyways. You can get a brand new set of Vortechs from Scoggin Dickey for $244.75 http://www.sdpc2000.com/cart.asp?action=prod_detail&catid=277&pid=140. Chevy High Performance did a Tech article about small block chevy heads a while back check it out for more info on flow bench numbers. http://www.chevyhiperformance.com/techarticles/41598/index.html I understand your situation, If you pick your parts carefully you can get a very well performing engine for very little cash.
     
  5. JIM88K5

    JIM88K5 1/2 ton status

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    Thats 244.00 per head. Don't forget freight and tax... /forums/images/graemlins/deal.gif
     
  6. Tshane

    Tshane 1/2 ton status

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    SD8060AG Vortec Head Kit, Edelbrock Performer RPM Air Gap $779.95

    I was lookin at this kit and i see that it comes with a performer RPM Air Gap and i was wondering if any performer RPM air gap will work with vortex heads or there is a special performer RPM air gap especially for vortex heads?? /forums/images/graemlins/confused.gif
     
  7. HarryH3

    HarryH3 1 ton status Author

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    While you'll lose some of the quench characteristics of the of the combustion chamber, you can get dished pistons from Keith Black that will lower the compression ratio. /forums/images/graemlins/cool.gif

    And yes, you are correct that only an intake manifold designed specifically for Vortec (no H on the end) heads will work with them. If you're going with a carb, then the price isn't too bad. But if you're going with a TBI setup, then you need the TBI manifold for Vortec heads that is currently sold only by GM dealers for around $300. /forums/images/graemlins/eek.gif
     

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