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12a intake to holley carb?

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Old 01-04-04, 12:33 PM   #1
the rxzero
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12a intake to holley carb?

is there an adpater to run a holley carb on a stock intake ? if not has anyone modified the intake and made a plate to make this happen ? tring to save a few bucks to go towards the new 31"10.5 mud terrains
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Old 01-04-04, 12:45 PM   #2
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Throw a PM to zyounker. He has something of this nature.
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Old 01-04-04, 05:30 PM   #3
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pmnd zyounkers anyone else?
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Old 01-04-04, 05:41 PM   #4
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Re: 12a intake to holley carb?

Quote:
Originally posted by rotorysuzuki
is there an adpater to run a holley carb on a stock intake ? if not has anyone modified the intake and made a plate to make this happen ? tring to save a few bucks to go towards the new 31"10.5 mud terrains
Try a modified Nicki..
contact RX-7 Carl or Sterling
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Old 01-04-04, 05:46 PM   #5
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cant wait that long plus allready got the carb for 100 bucks just need intake and would like to make a stock one work
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Old 01-04-04, 06:03 PM   #6
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Quote:
Originally posted by HopelesslyStock
Throw a PM to zyounker. He has something of this nature.
I thought he was in the slammer for scamming people on sleepy eye headlights and ****?

http://www.geocities.com/izzmus/ Peejay has alredy done this.
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Old 01-11-04, 12:05 PM   #7
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Correction, grasshoppah. I *attempted* this.

I tried to fit a 4150/4160 type Holley (four barrel/center hung bowls) *centered* over the 12A manifold. There is negative clearance with the water pump housing. No go. I have *heard* of people making it fit in a similar way by offsetting the carb rearwards, but I worry about how well that'd work in regards to differing airflow/mixture quality to the front rotor vs. the rear rotor. Would take more fangling than it's worth IMO, for about the same amount of work to make it "right" you could just dig out the MIG welder and fabricate a tunnel-ram type intake manifold that hangs the carb further outboard, or further up. Or just get a RB intake manifold and cut out the runner dividers for the first half inch or so from the carb surface so that the vacuum signals to the carb circuits (the pulsing airflow from each rotor) is weakened and smoothed out, which is what the Holley expects to see, so it won't require hardcore recalibration.

Bleh. Anywhich, that's about it.
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Old 01-11-04, 01:16 PM   #8
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Holy crap, peejay actually posted something. It's been a while!
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12a, carb, fitting, gasket, holley, instake, intake, madza, make, manfold, manifold, mazda, ram, rotary, rx7, stock

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