Holley 950 HP Info
#453154
08/29/09 08:53 AM
08/29/09 08:53 AM
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deaks
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I've got a used Holley 950 HP on my 440 and i cant find any info as regards jet sizes, pump cams and power valves fitted when bought new. I've looked through holley's site and cant find any info. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: Holley 950 HP Info
[Re: deaks]
#453155
08/29/09 08:55 AM
08/29/09 08:55 AM
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moparniac
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Take the bowl off and see whats in there.... I just sold mine and it had 4.5 pv and 79/73 jets
Mopar Performance
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Re: Holley 950 HP Info
[Re: moparniac]
#453156
08/29/09 08:59 AM
08/29/09 08:59 AM
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Is that what yours came with, there are 2 numbers on top 6 and 5 but they aren't next to each other, does that mean it's a 6.5. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: Holley 950 HP Info
[Re: deaks]
#453158
08/29/09 09:16 AM
08/29/09 09:16 AM
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Joined: Feb 2005
Posts: 5,221 Branson, Mo.
joedust451
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Quote:
Is that what yours came with, there are 2 numbers on top 6 and 5 but they aren't next to each other, does that mean it's a 6.5. Mick
Yes.
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Re: Holley 950 HP Info
[Re: Leigh]
#453159
08/29/09 10:13 AM
08/29/09 10:13 AM
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Joined: Mar 2008
Posts: 5,746 Ontario, Canada
Dodgem
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Quote:
Page 17
looks like 78/78 with 6.5 PV's front and back so delete the rear pv and go 78/86 or both pv's and go 86/86 Holley jetting is real close as shipped
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Re: Holley 950 HP Info
[Re: Dodgem]
#453160
08/29/09 11:18 AM
08/29/09 11:18 AM
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I've just pulled it apart and it's got 6.5 power valves back and front, 31 shooters, 82 prim jets and 84 mains, should i jet down to 78's again and work up from there. Why do you suggest taking the pv's out?. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: Holley 950 HP Info
[Re: deaks]
#453162
08/29/09 11:46 AM
08/29/09 11:46 AM
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Dodgem
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Quote:
I've just pulled it apart and it's got 6.5 power valves back and front, 31 shooters, 82 prim jets and 84 mains, should i jet down to 78's again and work up from there. Why do you suggest taking the pv's out?. Mick
Yes most people way over jet their carbs. stock jetting is real close and aluminum heads like less sometimes then add your 11 to 1 compression and your right back to stock. Rich is slow!
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Re: Holley 950 HP Info
[Re: Dodgem]
#453163
08/29/09 01:14 PM
08/29/09 01:14 PM
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Jim Why did you take the pv out and what motor was this on. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: Holley 950 HP Info
[Re: deaks]
#453164
08/29/09 03:24 PM
08/29/09 03:24 PM
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For the moment i've swapped the jets for 78 prim and 79 secs which is as near to stock that i can achieve with the jets i have available. I'm taking the car out tomorrow, i'm also going to try unbolting my dynaflows and try the 3.5x18" collectors i've got. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: Holley 950 HP Info
[Re: deaks]
#453165
08/29/09 05:37 PM
08/29/09 05:37 PM
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Joined: Jun 2008
Posts: 56 SWEET HOME ALABAMA
ITSDUSTA416
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My 950hp came 78prim and 79sec I removed the power valve in the rear and jetted up to 87's with jet extensions. If your car leaves the line fast the gas will rush to the back of the fuel bowl and the fuel will not flow through the power valve.
71 DUSTER 416 ET 6.33 @ 107 1.33 60FT
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