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Old 09-15-2012, 05:35 AM
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Originally Posted by JeffB View Post
You might want to read the RPM range as posted here This manifold is almost mandatory by some stock car rule books,it takes torque to pull off the corners on an oval track and the 7546 will deliver the goods.
That intake is required as a RESTRICTION, its a POS and thus limits power. Engine rules are almost never made for the sake of going faster.

An RPM manifold will walk all over it.
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