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-   -   1984 700r4 (https://www.thirdgen.org/forums/transmissions-drivetrain/756979-1984-700r4.html)

Taft Barringer 10-25-2018 08:19 PM

1984 700r4
 
Need some help badly. Did a carb swap and somehow it's like the torque converter has no stall at all anymore. Have to shift to neutral at red lights and stays engaged no matter the rpm.

PaulyC 10-25-2018 08:48 PM

Re: 1984 700r4
 
What is it idling at? Sounds like you might have either the idle adjustment too high or possibly a vacuum leak.

Taft Barringer 10-25-2018 09:00 PM

Re: 1984 700r4
 
Idling at 1100. Swapped from the quadrajet to a holley street warrior 600cfm. Fast idle is about 2200 rpm.

PaulyC 10-25-2018 09:16 PM

Re: 1984 700r4
 
Yeah, that is a bit too high, you should aim for the 600-700 range. The carb may need some adjusting, there is a good Holley tuning sticky here just do a quick search. Another quick question, are you using a spread to square adapter?

Taft Barringer 10-25-2018 09:28 PM

Re: 1984 700r4
 
Yes using an adapter. Plan on dropping a L33 with a 2 speed in it next month. Just tearing the driveway up with it acting like this. Is the lock up vacuum controlled? Could that be the culprit?

PaulyC 10-26-2018 05:25 PM

Re: 1984 700r4
 
The lockup is electrically controlled, if get your idle in the right area you will probably be fine.

Taft Barringer 10-26-2018 05:39 PM

Re: 1984 700r4
 
Yes sir. You were right. Got that fixed and the brakes went out while test driving. Thank you sir.


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