Engine Stalls... - Page 2

Verne_Frantz · #11 10-01-2005, 05:30 PM

"but feels a little funy when you hit the brakes. "

That's another good clue it's vacuum related. That's my vote. You could also "T" in a vacuum gauge to manifold vacuum and watch it when someone steps on the brake pedal. Or you could just step on the brake with it sitting still, idling, and see if the engine slows down and gets rough.

Verne

**WILMASBOYL78** · #12 10-01-2005, 08:13 PM

Tried disconnecting the vacuum line and it made no difference. Richened the mixture a little and raised the idle to about 900-1000rpm and that seemed to help a little. Checked timing and it seems ok. Noticed a leaky valve cover in the process so now I have something else to do. Never a dull moment...

wilma

**mnyenko** · #13 10-01-2005, 11:28 PM

Maybe as simple as a tank of bad fuel. Try some fresh good gas. Earl

**WILMASBOYL78** · #14 10-02-2005, 12:49 AM

I think the fuel is ok, but..????? Reduced float levels in both bowls..still stalls on forward stop..but if you go fast in reverse and hit the brakes it doesn't do it...so it definately has an issue...well back to the shop.

wilma

Chevy454 · #15 10-02-2005, 12:57 AM

Possibly fuel sloshing out of the secondary vent? If that's the case, that would mean a float issue...what needle/seat you using in your carb?

VintageMusclecar · #16 10-02-2005, 01:53 AM

Tom;

Does the car emit a puff of black smoke on re-start after it stalls? Do you have to crack the throttle open to get it lit back up, or just turn it over?

Eric

**WILMASBOYL78** · #17 10-02-2005, 03:10 AM

The only smoke is the stuff coming out of my ears!! Put it away for the nite and covered it up. I seem to recall someone talking about a using a piece of hose between the 2 bowl vents. I may try that tomorrow or just put on the front lawn with a "for sale sign"...

Thanks to all the helpers..

wilma

Belair62 · #18 10-02-2005, 04:14 AM

[ QUOTE ]
Reduced float levels in both bowls

[/ QUOTE ]

I'm thinking you need to raise the front float..

**MosportGreen66** · #19 10-02-2005, 05:39 AM

Bob... Maybe that did not make sense?
There were pin wholes in the floats. It would fill up with gas on hard acceleration or decelleration. And even if the car was started on a hill, the float would also fill up gas and sink in the bowls. I did not know why. During regular cruising the car would cruise fine but we could not get the carb to idle. I guess it has something to do the lack of gas in the bowls? The carb is a service replacement unit and had a plastic floats at the time. Took the carb to our speed shop and the replaced the plastic units with an aluminum (or metal looking) unit. Problem solved. Does this help?

Belair62 · #20 10-02-2005, 06:05 AM

So you replaced the bad float and it still does the same thing ??? Lowering the float drop puts less gas in the bowl is all I was saying..

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