General engine tech -- Drag Racing to Circle Track
Engine is 4.31 bore with 4.0 inch stroke,Ultradyne roller 270-280 108 lobe separation.12.5 compression,6.135 rod.Using 049 iron oval ports with 2.19-1.72 valves.DRAG RACE only,What would be a good intake and carb to run.Thanks for inputs
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A Holley 300-5 intake and probably a Quick Fuel 950 4150 style carb, with a 1" super sucker style spacer between them. At least that'd be a good place to start.
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The Edelbrock Victor oval port and 1050 Dominator will out run the rest.
Abbott Racing Heads and Engines
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I'd run a Dart any day but it does require extensive porting. A 4150 would likely be adequate for your dispacement. Dart make's both oval port manifolds for either a Dominator or a 4150 but they would both require porting.
when in doubt read the directions
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Edelbrock Victor jr intake and a 1000HP 4150 Holley. Dominator wasn't worth anything on my old 461ci combination, plus the low speed drivability was poor with the dominator.
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