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problems
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grench
New User
| Posts: 1
| Joined: 01/08
Posted: 01/04/08
11:14 PM
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i built a 383 using 5.7 rods and had 305 heads on it and quickly figured out that chockes in down i had a small cam to clear tha rods 214 duration with 285 lift im running it on tha street and just want a good hard pull. its going in an 86 chevy swb with a turbo 350 trans. what heads do u think i should run /intake /carb / and gears it had a tramendus labor knock with super unleaded
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bubba4
New User
| Posts: 5
| Joined: 11/07
Posted: 01/05/08
08:06 AM
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With that small of a cam I would use a 180cc intake runner head with 2.02 intake valve size and 1.60 on the exhauste. You did not talk about the compression ratio,but, 9.5:1 on iron heads or 10:1 on aluminum heads with a 36 deg. total advance on the timing should run great on super unleaded.
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Posted: 01/08/08
02:28 PM
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I would recomend a set of summitracing heads #sum-152123 for a budget build or a set of dart iron eagle heads if price is not a factor.For the intake a summit stage 2 or a weiand stealth manifold,a holley 600cfm vacuum secondary carb.,and 3.73 gears.
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mjbell1
New User
| Posts: 3
| Joined: 02/08
Posted: 02/27/08
08:04 PM
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test it twice
"Blacky" 2005 Chevrolet Silverado
Extended Cab V6 4.3L, MSD 6A Ignition,
Coil, Cap, Rotor, 8.5mm Wires, K&N Cold
Air Package, CFM Tech. 78mm Bored,
Ported, Polished, Throttle Body,
Flowmaster Cat-Back Dual Exhausts,
Thermostat 180 Degree, Fuel pressure guage.
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