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Old 11-13-2006, 10:43 PM
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350 question

have a 1977 malibu with 350 3970010 2 bolt main with 3986336 head 76 cc, the motor have 58000 miles.
I put a new cam and new double timing chain, my spec cam is Crane cam
Lift: Intake @Cam 3027 @Valve 454 All Lifts
Exhaust @ Cam 3027 @Valve 454
Rocker Arm Ratio 1.5

rear end for now 2.73

Th350 with shift kit

I have Header

This year i buy a edelbrock torker 2 and a edelbrock 600 1406 carburator

I think i do a error to buy torker 2 , I think the best is performer, what the difference ??

I want more performance for this motor, but i don't want rebuilt the short block.

I see on ebay i can have 882 or 487 head with 2.02 valve and 1.60, if i put this head i can increase my horse power ??

if i dont change the compression you think the block support my new head ??



thank you

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Old 11-13-2006, 11:34 PM
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Sorry but I dont understand your cam duration 3027 ?? The lift is ok but you're right, the torquer is a single plane high rpm manifold where the performer is a dual plane low to mid rpm intake, good for the street. I think you'd be waisting your money with the 2.02 heads in an otherwise stock engine, you just dont have the need for them. Also the 2.73 rear end will kill any hipo equipment
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Old 11-13-2006, 11:35 PM
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70 z28 Camaro - 468ci
 
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Hello Parisienne70>

I'm old school and have used the Fuelie Heads for over 35 years. They are a thick casting and if you happen to get a pair with descent core shift can handle 2.02 and 1.6 Valves and Ported as per Grumpy Jenkin Specs. They are forgiving to warp if you overheat the engine. The Fuelie 64CC chamber will up the compression as compared to the 76cc open Chamber allowing you to run a more aggressive cam; however to day, I believe it is a waste of money and time to rebuild these heads when you have so many other alternatives. Aside from after market options I would choose GMs Vortec Cylinder head as they are more efficient and out Flow the Old Fuelie Heads. The valve seats are hardened and designed to burn to days Fuels that have no Lead or Zinc ... etc.

Granted the Fuelie head has that nostalgic mystic and authentic for your 70 Pontiac but alas the Vortec is a much better choice for today when it comes to the cost of horse power per dollar spent.
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Old 11-14-2006, 02:59 PM
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Nothind will make more difference than changing your rear gears to 3.31 or steeper. You will be wasting money on the engine if you don't go to a more desirable ratio.

tom
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