With a good tuner you should be good with the ZL1 pump. I ran the whipple at 12LB of boost at 586rwhp on stock pump and MSD BAP for 2 years. And was drag racing the hell out of it.
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Best @ 586/525 = 10.41 @ 133
AS OF 12/13/14>633 RWHP =10.22@135
AS OF 1/31/15 @ 633 RWHP=10.16@135
AS OF 1/29/16 @ 633 RWHP=10.10@136
TOPED 700 PASSES AFTER F.I. AND STILL ON THE ORIGIANAL STOCK AXLE & DIFF
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