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Old 06-25-2024, 01:21 PM   #2
ZL1Atlanta
 
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Drives: 2017 Chevrolet Camaro ZL1
Join Date: Jul 2018
Location: Canton, GA
Posts: 475
Haven’t seen many use the Harrop with the LT’s. Edelbrock and Magnuson jumped on the train so early that I think the market got saturated and then new owners follows those that laid the path to success. That said, it has always been known that a ported Edelbrock 2650 is about equal to non-ported Magnuson 2650 at the same blower RPM. Ported Magnuson 2650’s have seen 60-80 RWHP gains over non-ported with the same pulley’s, but the ceiling is MUCH higher if you have the fueling and belt under control, and then the engine to survive it. If stock block, you will need to sleeve it to fully utilize a ported Maggie 2650 (I know first hand).
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2017 ZL1 - PB 7.85 @ 175 MPH @ 3682 lbs @ 1313 DA (work in progress)

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