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Re: carb choice
[Re: EASY]
#674097
04/19/10 01:20 AM
04/19/10 01:20 AM
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Joined: Jul 2006
Posts: 4,319
Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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Define "mild".  For a street car with a hydraulic flat tappet cam and moderate gearing, You may be happier with a Vacuum Secondary 750.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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Re: carb choice
[Re: EASY]
#674100
04/19/10 06:29 AM
04/19/10 06:29 AM
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Joined: Jan 2003
Posts: 5,443
Indiana
YO7_A66
master
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master
Joined: Jan 2003
Posts: 5,443
Indiana
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Easy,
I run a QF SS-750-AN (DP)on my mild 340. It has annular boosters which QF says it's actual cfm is 735. It has adjustable secondary mechanical linkage which you can delay either 40% or 60% with just a linkage swap to help tune the secondaries. The annular boosters gives better throttle response versus my other two DP carbs with downleg boosters. Call the guys at QF and ask them for their suggestions.
You might want to add some more info about your combo unless your already sutup for a DP.
1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)
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Re: carb choice
[Re: YO7_A66]
#674101
04/19/10 07:19 AM
04/19/10 07:19 AM
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Joined: Nov 2009
Posts: 520
New Zealand
nz383man
mopar
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mopar
Joined: Nov 2009
Posts: 520
New Zealand
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Quote:
Easy,
I run a QF SS-750-AN (DP)on my mild 340. It has annular boosters which QF says it's actual cfm is 735. It has adjustable secondary mechanical linkage which you can delay either 40% or 60% with just a linkage swap to help tune the secondaries. The annular boosters gives better throttle response versus my other two DP carbs with downleg boosters. Call the guys at QF and ask them for their suggestions.
You might want to add some more info about your combo unless your already sutup for a DP.
Annular boosters can make a carb that is a bit big work well down low without the restriction of a small carb at the top end. 
Converting my AVS to annular boosters & a few other minor mods gave me .3 sec & the same economy with 3.91 gears that I used to get with 3.23's
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Re: carb choice
[Re: RapidRobert]
#674102
04/19/10 08:55 AM
04/19/10 08:55 AM
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Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem
master
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master
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
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Quote:
Quote:
You may be happier with a Vacuum Secondary 750.
"mild 383" that'd be my suggestion
Unless it is a 4 speed?
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Re: carb choice
[Re: EASY]
#674104
04/19/10 05:33 PM
04/19/10 05:33 PM
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Joined: May 2005
Posts: 84
NC
Badfish67
member
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member
Joined: May 2005
Posts: 84
NC
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For the price your going to pay for a Quick Fuel you can call Patrick at Pro Systems and have him build you a carb that is custom made for your combination.
1967 Barracuda
360ci/727
9.723ET @139.44mph
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