Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

question about a carb...

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Old Dec 21, 2009 | 07:49 PM
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Thumbs up question about a carb...

so im getting another carb for my dad, and i have no clue about them! i just want a replacement for him, maybe more later... its a 400 c.i. small block and all help will be appreciated...THANKS
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Old Dec 21, 2009 | 08:19 PM
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.

You have to give all the specs. HP, rpm, style, race, street, ect.

.
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Old Dec 21, 2009 | 09:57 PM
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You say another carb. What does he have currently?
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Old Dec 22, 2009 | 07:56 AM
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sorry for the lack of info, its a stock q-jet, and its just a street car, so im lookin for a factory replacement, thanks for the help
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Old Jan 17, 2010 | 09:13 AM
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Go back with either the stock stye Q-jet or get him an Edelbrock. They have less problems with tuning than your average Hollet.
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Old Jan 17, 2010 | 12:32 PM
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take your cubic inches and multiply that by your maximum rpm then divide it by 3456.
400ci x max rpm
3456

that should get you a ballpark range
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Old Jan 19, 2010 | 08:03 PM
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Usually, you can't go wrong with a 750 cfm carb for a SBC.
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Old Jan 19, 2010 | 10:12 PM
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400 can use 750 and elderbrock is the best out the box carb for street applications or take your q-jet and adjust the air valve change the hanger and metering rods and she'll run like a champ google q-jet adjustment theres a site with all the info you need dont forget theres stock eliminator cars runnin 10's on q-jets
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