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Re: holley 750 vac issues [Re: HOTMOPR] #1366141 01/22/13 01:01 AM 01/22/13 01:01 AM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	Quote: No air gap and this 850 doesnt have the secondary idle adjustment.. my secondary throttle blades was in reference to the 750 vac. on the 850...you may have an internal leak..check gaskets..make sure the power valve is tight and center on the gasket.. Last edited by 70AARcuda; 01/22/13 01:03 AM. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: holley 750 vac issues [Re: Dragula] #1366142 01/23/13 12:38 PM 01/23/13 12:38 PM
Joined: Jan 2005 Posts: 3,699 Newport, Mi Evil Spirit master
Evil Spirit master Joined: Jan 2005 Posts: 3,699 Newport, Mi	Quote: On Mopar's a vacuum carb should never be used...But it also sounds like you squirter shot is a little late or small or both. There's a LOT of hard running Mopars out there that run vacuum secondary carbs, not to mention the 6 barrel guys. While it takes a different approach to tune them, they are no harder to tune than double pumpers and are a lot more forgiving to concessions to make a car more street friendly, such as a tight converter or not enough gear. Free advice and worth every penny... Factory trained Slinky rewinder.........

Re: holley 750 vac issues [Re: Evil Spirit] #1366143 01/23/13 05:47 PM 01/23/13 05:47 PM
Joined: Jan 2003 Posts: 2,931 P Paul_Fancsali master
Paul_Fancsali master P Joined: Jan 2003 Posts: 2,931	Late opening power valve Vac carb and on the dbl pumper leave it at 1100 runs better cold.

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