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Forums->Hot Heads Tech Talk->CARBS FOR DUAL QUAD SETUP

392PT50
CARBS FOR DUAL QUAD SETUP


Hi, I have a 392 HEMI I'm in the process of building and I need a little advice. When I got the motor, the seller also gave me a new Weiand dual quad intake for the 392. I've had cars with multiple carbs in the past and they can be a pain but they sure look good sitting on top of a HEMI engine! I do own the Hot Heads high rise single four barrel and a new Edelbrock 750 cfm carb but I'm still kicking the idea of dual carbs around. The upgrades to my motor are as follows: Bored .30 over with the hot heads 10 to 1 pistons, the aluminum 331 copy heads, aluminum bbc water pump, aluminum flywheel, msd ignition and distributor and long tube headers. What I want to know is anyone out there running dual quads with a similar setup? If so, what carbs do you suggest and what kind of timing and horsepower numbers can I expect? I thank you in advance.

John
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on: Sun 24 of Jan, 2021 [15:57 UTC] reads: 1565

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Webmaster
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Re: CARBS FOR DUAL QUAD SETUP
on: Sun 31 of Jan, 2021 [17:28 UTC] score: 0.00
PT: I wish someone made a 350 4 Bbl. but they don't. The best set up we've found requires two off set carb adapters to run 2ea, 390 cfm. Holleys. And they will probably need rejetting. We have a customer who, after jetting down, with one of our cams, etc, brags on the increased power and gets 23+ mpg. Good luck, Hot Head Bob





> Hi, I have a 392 HEMI I'm in the process of building and I need a little advice. When I got the motor, the seller also gave me a new Weiand dual quad intake for the 392. I've had cars with multiple carbs in the past and they can be a pain but they sure look good sitting on top of a HEMI engine! I do own the Hot Heads high rise single four barrel and a new Edelbrock 750 cfm carb but I'm still kicking the idea of dual carbs around. The upgrades to my motor are as follows: Bored .30 over with the hot heads 10 to 1 pistons, the aluminum 331 copy heads, aluminum bbc water pump, aluminum flywheel, msd ignition and distributor and long tube headers. What I want to know is anyone out there running dual quads with a similar setup? If so, what carbs do you suggest and what kind of timing and horsepower numbers can I expect? I thank you in advance.
>
> John

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George
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Re: CARBS FOR DUAL QUAD SETUP
on: Sun 24 of Jan, 2021 [21:21 UTC] score: 0.00
On the OEM intake you have to use Carter/Edelbrock to get them to fit, maybe same way with yours. Carter used to make 400s for 2X4 setups. Probably would have to use the Ed. 500s

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392PT50
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Re: Re: CARBS FOR DUAL QUAD SETUP
on: Tue 26 of Jan, 2021 [12:57 UTC] score: 0.00
> On the OEM intake you have to use Carter/Edelbrock to get them to fit, maybe same way with yours. Carter used to make 400s for 2X4 setups. Probably would have to use the Ed. 500s

Thanks, I'd be using the Weiand 7263 intake.


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