Quote:
Originally Posted by napster
I think there is something really wrong with the dyno. The 499 engine has almost the same numbers as my 496 with bad port job cast iron #16 SD heads. Also, it is running a smaller cam - 242/248/112. Numbers were 519.4 HP @ 5,200 and 578 TQ @ 4,200. My engine was on a known stingy dyno. The 499 CID engine should of blown the doors off my 496. Definitely something wrong with this dyno. The engine jhein had built should be showing better numbers. I agree with scott70.
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Well, I guess I was lucky that he had just done that motor and that I got a picture of the graph. At least it suggests the problem is the dyno, not the motor.
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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, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear
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