Thread: 350 stalls when put in gear
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09-16-2006 03:47 PM #1
350 stalls when put in gear
I have a Holley 650, Excel ingition, mild cam, TH350 tranny. The car idles great and has 20 to 25 lbs. vacuum when idling. As soon as I shift the car into drive it wants to die. Checked vacuum and the modulator is fine. Shifts and drives great but under load at idle it dies. Any suggestions???HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! We went through everything, timing, carb etc. There are no vacuum leaks. The engine was just rebuilt with all new everything. We are at our breaking point with this!!!!!
Any help appreciated.
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09-16-2006 04:33 PM #2
Does it quit as soon as you put it in gear, or does it die when you give it the gas? Does it just die, or is it popping out the carb?
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09-16-2006 04:38 PM #3
We don't have a tach on the engine. Is it possible that the charging ability or lack of, has something to do with it? It seemed to be running OK yesterday, went to a cruise-in and parked it and shut it off. Sat there for a couple hours and lit the neon for a few minutes and noticed that the battery wasn't charging so started it up and drove it home with the guage showing discharge the whole way home. Once entering the driveway, the engine dies and won't restart without a jump. Figuring the alternator was bad, it was replaced and battery started charging again but then the engine stall, upon putting it in gear, began. Now after an entire day of carb adjustments and vacuum checks, it is still doing it. We checked the modulator on the tranny and everything seems OK there, carb is working OK too. Like I wrote earlier, this began after installing the new alternator that is why I asked if there could be a problem there.
We spent the entire summer swapping out the 235 three on the tree to a 350/350 and the engine rins so smooth, it is almost too good to be true but this stalling thing is driving us NUTZ!!!!!!!!!!!!
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09-16-2006 04:40 PM #4
Dies when we put it in gear otherwise runs great.
JoAnne
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09-16-2006 04:45 PM #5
The vacuum tester shows about 18 inches of vacuum.
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09-16-2006 04:49 PM #6
Once we get this dying problem figured out,if we do that is, the other issue we have is the engine almost has a diesel sound when it idles. It idles smooth but has this annoying diesel sound. Maybe it is the nature of this engine, but I don't think so. Seems I should have rebuilt the 235 and not let the old man talk me into the small block!!!!!!!!
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09-16-2006 04:52 PM #7
The idle is at about 900 the old man said but no matter whether it idles high or low, it still dies. He just checked timing again and adjusted it AGAIN with no luck.
JoAnne
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09-16-2006 05:50 PM #8
Check your distributer advance, if you have a timing light fire it on the pointer while the engine is idling, bring revs up to 2000 rpm or so. The timing mark should advance smoothly beyond the pointer. If it's eratic theres your problem. Oh and safety first keep the wires and yourself out of the fan."aerodynamics are for people who cant build engines"
Enzo Ferrari
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09-16-2006 06:01 PM #9
Timing is fine. The only other thing we can do is pull the engine AGAIN! and check the cam. I am ready to set fire to the whole damn car. Too bad I have to feel like that cause the car is my baby for cryin out loud. Ever since I threw a rod through the pan on the original 235, and my hubby decided it needed a small block, this nightmare began. I wish we would have just rebuilt the 6cyl.
JoAnne
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09-16-2006 07:06 PM #10
How old is the fuel in it ? Could have tank of fuel that has gone off if it has been sitting a while."aerodynamics are for people who cant build engines"
Enzo Ferrari
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09-16-2006 07:17 PM #11
What type of Accel ignition points?? Dual points??Last edited by cffisher; 09-16-2006 at 07:35 PM.
Charlie
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Some guys can fix broken NO ONE can fix STUPID
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09-16-2006 07:27 PM #12
just got gas today. HEI distributor. Now he is thinking it is a cam issue. I GIVE UP!!!!!!!!!!!
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09-16-2006 07:40 PM #13
Did you run a new 12v primary wire to the coil from the ignition switch? It could be there just isn't enough current to fire the coil if you haven't???Charlie
Lovin' what I do and doing what I love
Some guys can fix broken NO ONE can fix STUPID
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Christian in training
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09-16-2006 08:13 PM #14
if your cam was ok before the bat. went dead, then the cam should still be ok. if it runs good going down the road then the ign. should be ok. sounds like to me you have a vac. and/or carb. problem, if your timing is where it should be.Mike
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09-17-2006 11:51 AM #15
If it only happens after it gets hot, and if you have a mechanical fuel pump, and if you hear a tapping noise, it has to be a faulty fuel pump. The spring in it is shot. Check for fuel pressure after it gets hot. If it doesn't have 6-7 psi, buy a new pump, install it, and call me in the morning.Objects in my rear view mirror are a good thing unless,.... they have red and blue lights flashing.
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