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Re: Car stalls under rapid braking
[Re: Viol8r]
#71768
06/19/08 02:58 PM
06/19/08 02:58 PM
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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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""I am pretty sure you need notched floats with those jet extenders""
Yes, you need the notched floats. See by the picture how deep the notches are into the float?
1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)
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Re: Car stalls under rapid braking
[Re: MoparGarage]
#71769
06/19/08 04:09 PM
06/19/08 04:09 PM
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Joined: Feb 2004
Posts: 3,076
Renton, Wa.
Classof70Chally
super gas
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super gas
Joined: Feb 2004
Posts: 3,076
Renton, Wa.
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Quote:
I have the exact same problem on my 68 Dart with a Holley DP carb. One day with the hood and air cleaner off I saw what the problem was. When I braked hard, I saw gas was sloshing up through the vent tube, which was flooding the engine out (unless the idle was kept up). I have since heard of other people experiencing the same problem.
Fuel sloshing out the vent and down into the venturis can be cured with a 'vent extension tube'. It fits on the inside of the top of the fuel bowl and acts as a 'baffle' for the vent. Don't have a pic but it is a flat, black plastic tube about 1.5 inches long. This is different than the jet extenders which prevent the jets from being uncovered. 
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Re: Car stalls under rapid braking
[Re: Classof70Chally]
#71770
06/19/08 04:32 PM
06/19/08 04:32 PM
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Joined: Jun 2003
Posts: 679
Owasso, Oklahoma
MoparGarage
super gas
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super gas
Joined: Jun 2003
Posts: 679
Owasso, Oklahoma
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Quote:
Fuel sloshing out the vent and down into the venturis can be cured with a 'vent extension tube'. It fits on the inside of the top of the fuel bowl and acts as a 'baffle' for the vent. Don't have a pic but it is a flat, black plastic tube about 1.5 inches long. This is different than the jet extenders which prevent the jets from being uncovered.
Thanks, I didn't know those were available. After adjusting the floats didn't help, I thought about extending the vent tubes upward outside of the carb.
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