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11-14-2015, 03:18 PM
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#1 |
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Registered User
Join Date: Jun 2006
Location: yukon, oklahoma
Posts: 113
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700r4 to L86?
hey guys, I have a 700r4 in my 67 swb chevy. I picked up a 2015 Yukon denali motor for it that had 10mi when pulled out. its a L86 6.2l. will my 700 bolt up to that and if so what do I need to make it work? thanks for any info
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11-14-2015, 10:24 PM
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#2 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: 700r4 to L86?
It can be made to bolt up with a crank spacer & Redrilling the flexplate.
The problem will be hooking up the TV Cable on a Drive By Wire engine, I did this once with a LQ9, I hooked the TV Cable to the Throttle pedal... 1. It was VERY time consuming. 2. It made the pedal very stiff. 3. The existing 700R4 that the customer insisted on using lost the 3-4 clutches shortly after, Ended up with an "E" transmission after all! |
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11-15-2015, 12:56 AM
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#3 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: 700r4 to L86?
I think you would be better off selling your 700R4 and using an electronic trans that the engine was backed with originally.
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11-15-2015, 01:34 AM
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#4 | |
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Registered User
Join Date: Jun 2006
Location: yukon, oklahoma
Posts: 113
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Re: 700r4 to L86?
Quote:
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11-15-2015, 01:39 AM
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#5 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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Re: 700r4 to L86?
You would be far ahead if you get the transmission that goes with the engine. Up front costs might be higher but after your 6.2 breaks the 700r4 plus the expense of attempting to adapt it you will be cheaper to just use the 8l90 that should be behind it or you could find an earlier 6l80. Either way you need programming done to make it work but attempting to use a 30 year old unit on a modern higher horsepower engine will be costly.
__________________
Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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11-16-2015, 11:10 PM
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#6 |
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Registered User
Join Date: Jun 2006
Location: yukon, oklahoma
Posts: 113
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Re: 700r4 to L86?
I lucked out and the place I got the motor from had a pull out 6l90 for sale. I snatched it up. has 5 miles on it. my motor has 10 miles on it. good scores for me.
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