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Old 03-23-2026, 06:27 PM
67Lemons 67Lemons is offline
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Join Date: Dec 2023
Location: New Hampshire
Posts: 530
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Quote:
Originally Posted by jerry455 View Post
I originally was going to use a Q Jet on my 469 with an Edelbrock RPM with Cliffs parts but after swapping an 850 Holley it picked up almost 80 horsepower. I would not have believed it if I had not seen it on the dyno. The only downside of the Holley is the factory air cleaner needs to be clearanced for the adjusters for the float bowl. It runs fantastic and glad my buddy suggested trying it while we had it on the dyno. It made 580 hp and 590 torque.
Wow, that’s a substantial gain that I wouldn’t have expected, with that much of a hp gain I’d run a Holley too!

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