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12-04-2005, 03:02 PM
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#1 |
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Registered User
Join Date: Mar 2005
Location: Just outside Durham, NC
Posts: 894
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economaster carb?
I was on ebay earlier, and I came across an "economaster carb" seller claimed this was used to replace ferd 4 bbl to allow for better mpg.
Can anyone explain this to me......was it possible that the OE was a carb without secondaries or???
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1969 SS 350 Camaro Sold 2008 1970 3/4T K20, stock height with 33's, 250 I6, 3 on the tree, and locked front and rear 4.10's  1980 Chevy Malibu 2 dr Sold 2007 1993 Olds. Cutlass Ciera Wagon Traded 2006 2003 Saturn L200 w/5pd. D/D My list spans 5 decades with One common thread.....GM! |
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12-04-2005, 03:26 PM
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#2 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: economaster carb?
Heres one on e bay.
http://cgi.ebay.com/ebaymotors/ws/eB...category=33550 I had one on a 72 454 vette (factory 360 hp) and it was a pretty good carb for a stock application. 19 mpg hwy. John
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors  http://www.flickr.com/photos/1745471...7602865984234/ |
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12-04-2005, 11:33 PM
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#3 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: economaster carb?
They were made by Holley back in the '70s in response to the "fuel crisis". I had one that was marketed as a replacement for a Quadrajet, with two fairly small primary bores, and two equally small secondary bores spread far apart. It was rated at 450cfm, and it definitely choked down the power of the 350 it was mounted on. It didn't stay on long enough for me to see any fuel economy benefits, but I imagine if there was any better mileage, it would likely have been due to the fact that it wouldn't pass nearly as much air as the Q-jet. But aside from the power loss, it ran fine.
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