700r4 stalls car when put in gear? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-27-2013, 03:29 PM
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700r4 stalls car when put in gear?

I have an 82 chevy camaro that had a 305 with a mild cam, the computer in this car has been disconnected and every time I would put it in gear it would die. I replaced the torque converter with a non lockup stock converter and it does the same thing. I now have a 383 with 440 HP and it does the same thing with the same transmission and converter, what is my problem I have been searching everywhere and cannot find anything that fits my problem please help.

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Old 02-27-2013, 04:08 PM
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I also have a vacum canister on the car and all new vacum lines.
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Old 02-27-2013, 06:41 PM
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With all the work you have done, It is hard to believe you are having a problem.

If it all works except the car dies when you put it in gear, I would think the idle is to low and when you put it in gear its drop the idle more and stalls out the car.
Also vacuum leaks or miss routed vacuum lines would show these symptoms.

Or maybe a combination of idle and to retarded timing..

What does it do if you hold the idle up while shifting into gear
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Old 02-27-2013, 07:34 PM
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Quote:
Originally Posted by F-BIRD'88 View Post
A stock low stall 12" diameter converter will not work with a cammed up motor.

What cam?

what is the idle base timing?
What converter stall?
Stock converter, not sure what cam it's a lunati trying to get the spec sheet from the motor builder, 38 btdc
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Old 02-27-2013, 07:38 PM
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It idles around 1000 rpm
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Old 02-27-2013, 08:10 PM
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Quote:
Originally Posted by F-BIRD'88 View Post
And what happens to the timing when idling in gear?
It won't idle in gear
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Old 02-27-2013, 08:14 PM
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Again what happens when you hold the idle up when put it in gear

Does it drag / bog the motor down. Like the tranny is engaged and lowering the RPM's and trying to move the car ?

I am not sure what the stall of a shock converter is, but the motor might be idling at a higher RPM than the converter can handle..
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Old 02-27-2013, 08:16 PM
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It try's to take off and dies when put in gear unless you give it gas
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Old 02-27-2013, 08:20 PM
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That leads me to believe the idle is higher than the stall on the converter. Which makes the trans engage and is putting a drag on the engine.

I would try to lower the idle first before I went and bought a converter with a higher stall.

I imagine you trying to drive your beast down the street and having to hold the brake and gas just to keep it running..Lol the guys next to you must be all like...This guy is crazy trying to power brake here on the streets... Lol
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Old 02-27-2013, 09:07 PM
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i have a hughs 3400 stall converter sittin in my shop. n the stall on that stock converter is 2100. by the way what ratio u running in the rearend?
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Old 02-28-2013, 09:35 AM
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Quote:
Originally Posted by tboneb4a View Post
i have a hughs 3400 stall converter sittin in my shop. n the stall on that stock converter is 2100. by the way what ratio u running in the rearend?
Right now it just has the stock 3:73 rearend
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Old 02-28-2013, 11:33 AM
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What RPM is your car Idling at now? Also you can unplug the Vacuum Advance and plug the hose, to check if your advance is messing you up..You know, take it out of the picture before you go and start to change things
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Old 03-04-2013, 01:20 AM
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I just read something about a problem with cars stalling in drive and reverse because the TCC is engaged.

A snap-ring being upside down ---- converter clutch apply valve snap ring in backwards

rounded edge installed facing inside to the valve..flat edge facing outside away from valve
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Old 03-04-2013, 09:14 AM
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Quote:
Originally Posted by minipower View Post
I just read something about a problem with cars stalling in drive and reverse because the TCC is engaged.

A snap-ring being upside down ---- converter clutch apply valve snap ring in backwards

rounded edge installed facing inside to the valve..flat edge facing outside away from valve
He has a non-lockup TC in his car. But you are right, an engaging TCC will stall the engine.

On a budget, try a V6 TC. Mine stalls to 2800rpm behind a bone stock Vortec 350. But much better results will be had from a QUALITY aftermarket TC They arent cheap but you get what you pay for. Yank, Precision Industries.

peace
Hog
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Old 03-05-2013, 08:50 AM
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Quote:
Originally Posted by F-BIRD'88 View Post
Hog: what is the diameter of that V6 converter?

There is a a 4 letter/digit "K code" on the GM converters. what is the K Code on that GM V6 converter that created a 2800 stall?
What car did it come from?
Here is the PM I sent you F-Bird
The 4 digit alphanumeric code id DBLF. It is from a 1996_ L35 V6 S-10. It has the same guts as a 1986+ Vette converter, just a different TCC damper assembly. GM p/n 24202310
Its a stock 298mm 11 3/4" unit

I'm glad you asked me about this as I have been calling it a DCLF which doesnt exist, its DBLF

If you are using this on a 1995+ vehicle use the matching year V6 S-10. Pretty sure the Vortce Blazer/Jimmy V6 TCs are the same. I got mine for free. If doing an 86-1994 use the corresponding year Vette TC.

More info here. These guys say it stalls to 2200rpm nbehind a stock 260hp iron head LT1 which uses teh same cam as my stock longblock Vortec 350, but when I apply the ebrake and service brake and quickly go to WOT my tach reads 2700-2900rpm at WOT. I had a PCM tune, LT heads air intake. The truck ran a 15.9@ low 80mph with 2.5 60 fts, now runs 14.8'sat 92-94mph cutting 2.00 60fts. Not bad for a stock Vortec 350. I never got to the strip with the L35 V6 TC and marine intake manifold on it, probably low 14's now.

http://www.corvettefaq.com/c3/THE%20...%20Upgrade.htm


peace
Hog
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