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Anyone tested a Holley 080804 Ultra HP 850?
#1377601
01/28/13 05:25 PM
01/28/13 05:25 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
OP
Taking time off to work on my car
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OP
Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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Has anyone had a chance to test (dyno or track) one of the new Holley 080804 Ultra HP 850s? This is the latest 1.56" venturi x 1.75" butterfly + downleg booster version.
I know that 'AndyF' has tested a new "True 950" version of the Ultra HP and said it worked very well, too. Still haven't seen anything of note re: the new 850, though.
I'm curious about any results, how close the out-of-the-box tune was for your application, air-fuel curve, etc.
Thanks.
Last edited by BradH; 01/28/13 05:25 PM.
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Re: Anyone tested a Holley 080804 Ultra HP 850?
[Re: BradH]
#1377604
01/30/13 01:30 PM
01/30/13 01:30 PM
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Joined: Jul 2006
Posts: 4,319 Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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I don't think the Ultra series has been out long enough for a lot of guys to do extensive testing on them. Most that have done testing have obviously been more intrigued with the 950, since its a totally new combination.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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Re: Anyone tested a Holley 080804 Ultra HP 850?
[Re: StealthWedge67]
#1377605
01/30/13 02:08 PM
01/30/13 02:08 PM
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Joined: Jun 2003
Posts: 9,225 Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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why dont you get your junk running and you can take me for a ride in March, I will be passing by on my way to visit the parents
Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: Anyone tested a Holley 080804 Ultra HP 850?
[Re: Thumperdart]
#1377607
01/30/13 08:31 PM
01/30/13 08:31 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
OP
Taking time off to work on my car
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OP
Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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Quote:
Quote:
... Holley 080804 Ultra HP 850s? This is the latest 1.56" venturi x 1.75" butterfly + downleg booster version.
Why would you limit your moter w/that baby carb?
The car ran 10.5s w/ a 1.42" venturi x 1.75" butterfly BG carb, so stepping up to a 1.56" venturi is actually quite a bit bigger...
However, from what few "real world" (NOT a magazine) tests I've seen anything posted about re: this new 850, Holley seems to have missed the mark on its calibration.
I think I'll just keep testing & parts-swapping w/ my "junk" BG carbs that seem to run pretty well after getting dialed in.
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