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Old 05-14-2003, 01:49 AM
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Post Question about Lock-Up T/C


I just finished installing a 'built' 2004R behind the mildly built 350 in my '67 Camaro.

I went with a 2200 stall lock-up converter as this is what was reccomended for my cam.

For the lock up control, I'm replaced the existing two prong brake light switch with a 4 prong. The T/C is only supposed to lock in 4th gear (?) I believe. When I press the brakes the T/C is supposed to unlock, again only in 4th gear.

Well, my trans is locking the T/C immediately after the 2/3 shift. If I hold the break pedal slightly while accelerating the rpm jumps about 300 or so. When it goes into 4th, I'm fairly certain it's locked up, but pressing the brake pedal doesn't cause the RPM to go up like it does while in 3rd. Odd.

I called the builders and they told me that there was "no way" it was locking up in third.

What could cause the lock up to act like this?

Any ideas would be appreciated.



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Old 05-14-2003, 07:25 AM
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Does it seem to lock up if you keep the shifter in 3rd gear? Also I just put a 700r4 in my 67 chevy pickup and wired the t/c through the toggle switch, which means a little more work for me, but this way I know when it is and isn't working.
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Old 05-14-2003, 06:53 PM
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Painless wiring makes a kit so your lockup tranny will work right in older non computer controlled cars. The kits 125 bucks they have one in the summit cataolog on page 229 of the newest one. I bet thats your problem.
Good luck.
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