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Author Topic: 800 cfm to 850 cfm  (Read 4087 times)

Offline Yahnke

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800 cfm to 850 cfm
« on: November 29, 2009, 05:12:38 PM »
Cliff can my 800cfm be changed to a 850 cfm....you have my carb,if it can be done great and how much?? thanks Steve
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Offline Cliff Ruggles

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Re: 800 cfm to 850 cfm
« Reply #1 on: November 30, 2009, 02:57:49 AM »
What is the carburetor number?.....Cliff
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Offline Yahnke

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Re: 800 cfm to 850 cfm
« Reply #2 on: November 30, 2009, 06:01:26 PM »
7042240...this is the one I sent back in September..I need as much cfm as i can get since Buick's love big Carbs thanks Steve
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Offline Yahnke

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Re: 800 cfm to 850 cfm
« Reply #3 on: December 02, 2009, 04:40:41 PM »
TTT
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Offline Cliff Ruggles

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Re: 800 cfm to 850 cfm
« Reply #4 on: December 06, 2009, 05:14:18 AM »
The Buick castings for the 71-74 455's are the larger castings.  Edelbrock used the larger castings from the early 80's Chevrolet Truck engines to make their "850" cfm RPM q-jets.  They were nothing more than recalibrated standard units.  Your Buick 455 carb will flow as much as, if not slightly more than the Edelbrock 850 unit.....Cliff
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Offline Yahnke

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Re: 800 cfm to 850 cfm
« Reply #5 on: December 07, 2009, 09:18:08 AM »
Thanks for the info Cliff ...thats what i need to know .  Steve
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Offline Cliff Ruggles

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Re: 800 cfm to 850 cfm
« Reply #6 on: December 08, 2009, 06:05:53 AM »
I recently set up a Buick casting for use in FAST.  The engine dyno'd at 668hp and runs mid-10's on bias ply street tires!......Cliff
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Offline Yahnke

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Re: 800 cfm to 850 cfm
« Reply #7 on: December 08, 2009, 04:20:57 PM »
Wow...The only person I know that runs that fast is Gregg Gessler. Is that his car???
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Offline Cliff Ruggles

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Re: 800 cfm to 850 cfm
« Reply #8 on: December 09, 2009, 04:33:41 AM »
No, the car is an early Pontiac Firebird, owned/built by Rick Mahoney and Scott Tieman.....Cliff
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