318 engine stalls

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318 engine stalls

Postby slz » Tue Jul 11, 2017 8:34 am

I have a 68 with a 4 speed tranny.
When I brake aggressively the engine dies.
Tried disconnecting and plugging power brake booster, but it did not help.
Any suggestions? thanks
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Re: 318 engine stalls

Postby PwrWgnDrvr » Tue Jul 11, 2017 9:18 am

Do u slam the clutch pedal to the floor at the same time as u hit the brake pedal?
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Re: 318 engine stalls

Postby slz » Tue Jul 11, 2017 9:34 am

Even when I put it in neutral, release the clutch and then brake, it dies.
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Re: 318 engine stalls

Postby wally426ci » Tue Jul 11, 2017 10:13 am

Is the clutch operating? flywheel not stuck to disc?

Check for other vacuum leaks?
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Re: 318 engine stalls

Postby MadMC63 » Tue Jul 11, 2017 12:47 pm

Is the engine idle speed set high enough to begin with?
1971 Dodge D100
So what's wrong with setting beneath a single pull string incandescent light bulb writing angry letters?
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Re: 318 engine stalls

Postby SoleSurvivor » Tue Jul 11, 2017 1:05 pm

slz wrote:I have a 68 with a 4 speed tranny.
When I brake aggressively the engine dies.
Tried disconnecting and plugging power brake booster, but it did not help.
Any suggestions? thanks

Fuel pressure is dropping or float level needs adjustment(not enough fuel in the float bowls to keep fuel from flowing).
Raise idle speed to 1200 and then test your hard braking. If the engine sputters but doesn't stall adjust floats and then back off your idle.
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Re: 318 engine stalls

Postby slz » Sat Jul 15, 2017 7:04 pm

Thanks for all the advice.
It was the float set too low.
It runs and stops good now.
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Re: 318 engine stalls

Postby SoleSurvivor » Sun Jul 16, 2017 7:12 am

slz wrote:Thanks for all the advice.
It was the float set too low.
It runs and stops good now.

Glad your truck is running well.
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