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03-10-2017, 12:06 AM | #1 |
Senior Member
Join Date: May 2010
Location: East Texas
Posts: 146
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Ford-holley 94 model 59
I'm working on a friend's 34 Ford. I had the carb rebuilt. It runs very well but when you step on the brake easy or hard, about the same time the car stops the motor dies. Hit the starter and it restarts. I run the idle up fairly high( lot higher than it should be) and it helps but don't fix the problem.
What are we doing wrong? |
03-10-2017, 12:34 AM | #2 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,303
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Re: Ford-holley 94 model 59
The clutch may be dragging slightly. Is it properly adjusted?
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03-10-2017, 02:21 AM | #3 |
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Join Date: May 2010
Location: Nelson New Zealand
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Re: Ford-holley 94 model 59
The coil could be shorting out, try changing it.
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03-10-2017, 07:04 AM | #4 |
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Join Date: Apr 2015
Location: Sweden
Posts: 3,045
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Re: Ford-holley 94 model 59
Stock brakes or some powerbrake setup ?
Does it stall if you press the brake standing still ? In gear or in neutral ? Trying to narrow it down... |
03-11-2017, 07:01 PM | #5 |
Senior Member
Join Date: May 2010
Location: East Texas
Posts: 146
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Re: Ford-holley 94 model 59
I guess you guys can't understand Texas lingo. Let me try again. When braking to a stop, the gas either shuts down, leans out, or shuts off killing the engine. Or, maybe it causes the carb to dump too much gas and floods it out. It is the carburetor, I'm sure but can't (or haven't) found the fix.
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03-11-2017, 09:59 PM | #6 |
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Re: Ford-holley 94 model 59
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__________________
Alan |
03-11-2017, 10:51 PM | #7 |
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Join Date: May 2010
Posts: 3,019
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Re: Ford-holley 94 model 59
BC,
Remove the air horn and flip it up side down. The dimension from the gasket face of the air horn to the top of the float should be 1.350 ( a tad less than 1 3/8 ). Once the setting is verified reinstall the air horn and restart the motor. Once she's warmed up back each idle screw out a turn or two........then one at a time turn each screw in until the motor stumbles slightly then back it out 1/2 turn. You'll have to try this maybe twice, you'll get the knack. This will get you real real close to where you need to be. 45 minutes tops including warm up time. Go for a ride and report back. Only my opinion. Charlie ny |
03-11-2017, 11:11 PM | #8 |
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Join Date: May 2010
Location: Waddell, AZ
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Re: Ford-holley 94 model 59
so the car is moving, then you let off the gas and it's still running....but you hit the brakes in any fashion and the engine stops....have i got the situation correct??.....it only dies when you touch the brakes??.....even just touch while the car is still rolling??.....does the engine die when car is not moving, but you hit the brakes?? could be brake light switch but who knows?....Mike
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03-13-2017, 01:25 PM | #9 |
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Join Date: May 2010
Location: Nelson New Zealand
Posts: 157
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Re: Ford-holley 94 model 59
The internal winding of the coil is loose and when you brake the winding swings foward
and shorts out on the body of the coil cutting spark to the engine. When you have finished playing around with the carb, change the coil and see what happens. |
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