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Old 06-08-2008, 07:57 PM
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Engine stalls in gear

I have searched the archives and tried all suggested fixes to no avail. My car idles fine but stalls when put in gear unless i step on gas as soon as dropped into gear and keep the RPMs up. Otherwise it runs fine. Is it possible that the torque converter is causing this problem?

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Old 06-08-2008, 08:13 PM
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sounds like the idle speed is to low.....you should have 500-800 IN gear
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Old 06-08-2008, 08:15 PM
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Check for vacuum leaks around the carb........Timing may be off, ....any number of things.
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Old 06-08-2008, 08:24 PM
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What vehicle? yr/make/model might help ...
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Old 06-08-2008, 08:38 PM
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+ cam size & torque convertor stall rating
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Old 06-09-2008, 12:44 AM
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Engine stalls in gear

It is a 68 Firebird w/69 YH428 bored 30 over, Edelbrock Performer RPM heads 87cc, Lunati Bracketmaster II 230/230 @ .50 .490 lift LSA110 degreed @ 104, Edelbrock Torquer II with a Mighty Demon Blow Thru 750, Hedman Hustler Headers and an ATI Procharger set at 5lbs.
I have checked for vacuum leaks and found none.
The tranny is a built GM 350 with a B&M 10" Hole shot 1800 stall converter. The idle is set at 1200 in neutral but can't set in drive because it won't idle.
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Old 06-09-2008, 06:20 AM
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Sounds like you just need a good tuner for your set-up. How long has this deal been running? What changes, if any, have been made?
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Old 06-09-2008, 06:41 AM
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May be too much cam for an 1800RPM stall converter...
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Old 06-09-2008, 09:53 AM
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Not enough converter. You need 1000 more rpms of stall for that cam.

I bet the timing is low. That cam needs 20 degree at idle.

with force induction, I would just lock the timing at 20 to 24 degrees.

You also need a 3.55 to 3.73 gear.
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Old 06-09-2008, 03:53 PM
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Posted by azbandit:
"I have checked for vacuum leaks and found none."

Check this out......

http://www.crankshaftcoalition.com/w...ak%2C_internal
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Old 06-09-2008, 05:50 PM
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Engine stalls in gear

The timing is set at 6 degrees with 34 total @3200rpm. The rear end is 355 posi 12 bolt. Its been at these specs for 3 yrs. Rebuilt top end due to blown head gasket 6 months ago. Always ran like a raped ape. Until 3 months ago.
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Old 06-09-2008, 06:05 PM
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Engine stalls in gear

I misstated the size of converter. It is a B&M super holeshot 2400. That is an interesting article Techinspector. I'll have to look into that. Thanks everyone.
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Old 06-09-2008, 06:16 PM
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6 degrees is way too low for that cam.

Are you using some kind of boost retard?
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Old 06-09-2008, 06:58 PM
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engine stalls in gear

Yes, it is a MSD Boost Timing Master set at 2 degree retard per pound of boost.
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Old 06-10-2008, 01:28 AM
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Engine stalls in gear

Quote:
Originally Posted by 454C10
6 degrees is way too low for that cam.

Are you using some kind of boost retard?
If I bump the base timing won't that raise my total timing too high, like if I raise it to 12 deg. my total would then raise to 40 degree?
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