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Old 01-04-2006, 02:23 AM
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carb and intake

If I replace the 2 barrel carb and intake on my 267 chevy engine to a 4bbl carb and intake will this increase my power and if so how much.

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Old 01-04-2006, 05:04 AM
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Hardly worth the effort....Tune up the 2bbl and you would be just as far ahead.....Shop anound for that 350.
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Old 01-04-2006, 05:14 AM
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"Yes" and "not a lot" but I'd still do it. For a 267 I'd try to find an old Edelbrock SP2P and a 390 Holley 4160 or a 450 Holley 4360 Spreadbore. Preferably the 390 because it has electric choke and vacuum secondariesDon't expect major results but it will help and could boost your MPG's a little if you keep your foot out of it. You can usually find SP2P's on eBay for 25 to 40 bucks. They're pretty good from an idle to 4,500 RPM on small motors. JMO but I had looked into fixing up a 267 for a low buck "cruiser" for the kid and this intake setup looked pretty good. I was going to put dual feed bowls off a junk 780 Holley on a 390 for it and put a gear drive in it, etc.. All show, no go, but cool enough for a 16 year old.
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