215cc Heads & MS4 Cam
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#8
Super Hulk Smash
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Those dyno graphs are a bit underwhelming. I would have thought with a FAST on an M6 with a stock 10-bolt and the MS4, that 480rwhp would be attainable. I think there are some dynos with the MS3 in the 480s using the 215s.
But the 227 is a better head for top end power (which would work better with a top end cam like the MS4).
But the 227 is a better head for top end power (which would work better with a top end cam like the MS4).
#10
10 Second Club
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My car had a few issues when it was on the dyno. It made 445.8 on a dyno dynamics dyno after a few changes which my tuner said lacked .1 of a hp breaking the heads/cam record for a LS1 on his dyno. He says 10 pecent correction compared to dyno jet which puts it at 490 on the nose. The car trapped right at 126 at 2000 feet and went 10.92. The 445.8 was through a 9" with 4:30s and 17 x 11 torque thrusts. My 452 on the jet was with a single 3" system and the 10 bolt the new dyno results were through a 4" and the Ford 9". And for what its worth I would go ahead and go up to the 227s. It couldn't hurt.
#11
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My car had a few issues when it was on the dyno. It made 445.8 on a dyno dynamics dyno after a few changes which my tuner said lacked .1 of a hp breaking the heads/cam record for a LS1 on his dyno. He says 10 pecent correction compared to dyno jet which puts it at 490 on the nose. The car trapped right at 126 at 2000 feet and went 10.92. The 445.8 was through a 9" with 4:30s and 17 x 11 torque thrusts. My 452 on the jet was with a single 3" system and the 10 bolt the new dyno results were through a 4" and the Ford 9". And for what its worth I would go ahead and go up to the 227s. It couldn't hurt.