Quote:
Originally Posted by AG
There isn't much difference in total weight of an IA block with Ali heads than a stock block with iron heads. The iron IA blocks weigh about 47-50 lb more than a stock block, but that should be offset by the weight savings of an Ali head compared to a cast iron head.
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it's the whole package. I replaced more than just the block. I'm pretty sure the TKX weighs more than the M20, not sure how much. Also I have a Quicktime bellhousing and a Hayes billet flywheel that I'm pretty sure also weight more. When I put the car on the scale I have near my place, it weighed about 120 pounds more. The heads do help offset the weight some, but it's definitely sitting lower. I noticed it immediately when I saw the car on the ground. The spacers sound like a good place to start. Although, with more weight up front would a heavier rate spring be a good idea too?
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear
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