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Old 09-25-2008, 09:11 PM   #1
bmfIROC-Z
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Location: Princeton,IL
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Car: 86' Z-28 IROC-Z
Engine: 5.7 LT1
Transmission: 700R4
Axle/Gears: 3.23 posi rear end

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700r4 lock up wiring question

I recently swapped a 94 lt1 into my 86 iroc and the 4l60e that came with the lt1 was shot so I had to reuse my 700r4. I already swapped in the reluctor and vss sensor and got tv cable hooked up and I'm having the 4l60e tuned out of the pcm, but I need to know how to wire the lock up for now because I don't have the money for a kit at the moment. My question is is there anyway to wire up a manual lock up to a toggle switch? Any help would be appreciated. Thanks in advance, Joe
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*1986 IROC-Z 5.7L (94 FORMULA) LT1 *Hooker comp shorty Headers *Hooker 3" Y-Pipe *Flowtech Afterburner 3" muffler *Coolant Bypassed Throttle Body *Custom ram Air *K&N Air Filters *A/C delete *All emissions delete*Cat delete *madtuner.com tune*LS-1 aluminum driveshaft *700R4 w/ corvette servo *B&M shift kit *B&M wide open throttle 3rd-4th upshift kit*3.23 posi rearend
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Old 09-25-2008, 09:55 PM   #2
Apeiron
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Location: Rio Oro de Santa Ana, San Jose, Costa Rica
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Car: 1984 Z28 Hardtop / 1988 IROC T-top
Engine: 383 Carb / 305 TPI
Transmission: 4L60 / T-5
Axle/Gears: 3.54 Dana 44 / 3.08 10 bolt

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Re: 700r4 lock up wiring question

+12v to pin A and ground to pin D of the TCC connector.
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Old 09-26-2008, 11:52 AM   #3
bmfIROC-Z
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Location: Princeton,IL
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Car: 86' Z-28 IROC-Z
Engine: 5.7 LT1
Transmission: 700R4
Axle/Gears: 3.23 posi rear end

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Re: 700r4 lock up wiring question

would i only lock it up when in overdrive?if not when should i lock it up so i dont hurt the trans?
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Old 09-26-2008, 04:48 PM   #4
Apeiron
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Join Date: Jan 2000
Location: Rio Oro de Santa Ana, San Jose, Costa Rica
Posts: 15,394
Car: 1984 Z28 Hardtop / 1988 IROC T-top
Engine: 383 Carb / 305 TPI
Transmission: 4L60 / T-5
Axle/Gears: 3.54 Dana 44 / 3.08 10 bolt

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Re: 700r4 lock up wiring question

You should at the very least have it locked up while cruising in overdrive.
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Old 09-27-2008, 03:28 AM   #5
bmfIROC-Z
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Join Date: Feb 2007
Location: Princeton,IL
Posts: 246
Car: 86' Z-28 IROC-Z
Engine: 5.7 LT1
Transmission: 700R4
Axle/Gears: 3.23 posi rear end

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Re: 700r4 lock up wiring question

Quote:
Originally Posted by Apeiron View Post
You should at the very least have it locked up while cruising in overdrive.
should i have it constantly locked up?im a little unclear on how a lock up converter works or what all has to do with the lock up converter.
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Old 09-27-2008, 11:22 AM   #6
Apeiron
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Join Date: Jan 2000
Location: Rio Oro de Santa Ana, San Jose, Costa Rica
Posts: 15,394
Car: 1984 Z28 Hardtop / 1988 IROC T-top
Engine: 383 Carb / 305 TPI
Transmission: 4L60 / T-5
Axle/Gears: 3.54 Dana 44 / 3.08 10 bolt

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Re: 700r4 lock up wiring question

Check the sticky in the carb forum.
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