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#1
February 4th 07, 11:30 AM
posted to rec.autos.makers.ford.mustang
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Fuel/Air mix
Recently adjusted the mixture screws on my Carter AFB
using a tach. Back out the screws until the RPM no longer increases. Have heard a better way is by using a vacuum gauge. Turn in the screws (more lean) until the vacuum just drops a little. Then back out 1/4 turn. Does this sound right? mike 
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#2
February 4th 07, 06:40 PM
posted to rec.autos.makers.ford.mustang
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Fuel/Air mix
goodnigh wrote:
> Recently adjusted the mixture screws on my Carter AFB > using a tach. Back out the screws until the RPM no longer > increases. Have heard a better way is by using a vacuum gauge. > Turn in the screws (more lean) until the vacuum just drops a little. > Then back out 1/4 turn. Does this sound right? > > mike > > Yes. I'v used that technique on Holley's for many years. -- ..boB 2006 FXDI hot rod 2001 Dodge Dakota QC 5.9/4x4/3.92 1966 Mustang Coupe - Daily Driver 1965 FFR Cobra - 427W EFI, Damn Fast.
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#3
February 4th 07, 09:05 PM
posted to rec.autos.makers.ford.mustang
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Fuel/Air mix
".boB" > wrote in message om... > goodnigh wrote: >> Recently adjusted the mixture screws on my Carter AFB >> using a tach. Back out the screws until the RPM no longer >> increases. Have heard a better way is by using a vacuum gauge. >> Turn in the screws (more lean) until the vacuum just drops a little. >> Then back out 1/4 turn. Does this sound right? >> >> mike >> >> > Yes. I'v used that technique on Holley's for many years. > > -- > .boB > 2006 FXDI hot rod > 2001 Dodge Dakota QC 5.9/4x4/3.92 > 1966 Mustang Coupe - Daily Driver > 1965 FFR Cobra - 427W EFI, Damn Fast. > The output from the exhaust pipes is unbalanced. That is a vacuum issue and not a RPM issue. To what port should attach the vacuum gauge? mike
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#4
February 4th 07, 10:27 PM
posted to rec.autos.makers.ford.mustang
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Fuel/Air mix
goodnigh wrote:
> ".boB" > wrote in message > om... > >>goodnigh wrote: >> >>>Recently adjusted the mixture screws on my Carter AFB >>>using a tach. Back out the screws until the RPM no longer >>>increases. Have heard a better way is by using a vacuum gauge. >>>Turn in the screws (more lean) until the vacuum just drops a little. >>>Then back out 1/4 turn. Does this sound right? >>> >>>mike >>> >>> >> >> Yes. I'v used that technique on Holley's for many years. >> >>-- >>.boB >>2006 FXDI hot rod >>2001 Dodge Dakota QC 5.9/4x4/3.92 >>1966 Mustang Coupe - Daily Driver >>1965 FFR Cobra - 427W EFI, Damn Fast. >> > > > The output from the exhaust pipes is unbalanced. > That is a vacuum issue and not a RPM issue. > To what port should attach the vacuum gauge? > > mike > > I use unported manifold vacuum. -- ..boB 2006 FXDI hot rod 2001 Dodge Dakota QC 5.9/4x4/3.92 1966 Mustang Coupe - Daily Driver 1965 FFR Cobra - 427W EFI, Damn Fast.
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