BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
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 transmission interchange

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Posts : 2301
Join date : 2009-02-22
Age : 36
Location : Mansfield, Ma

PostSubject: transmission interchange   Sun Jun 21, 2009 9:47 pm

I know the 4l60e swaps between years with some mods, but to remove the e all together what are the options? The 4l60 and 700r4 should be the same case which would mean that they should swap, but I'm not sure on that. Does anyone know if the pre-computer controlled 700's will drop into a Caprice with a gen2 engine? I'd love to drop in a built 700 and have it bolt right up but I'm worried the bellhousing will be different or the input shaft won't line up or something.

And a th350/400 conversion is out since I drive on the highway alot and want to keep overdrive.
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Posts : 434
Join date : 2009-01-20
Age : 28
Location : Bethel ME

PostSubject: Re: transmission interchange   Sun Jun 21, 2009 10:31 pm

Yes the 700R4 will bolt right up.
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PostSubject: Re: transmission interchange   Sun Jun 21, 2009 10:42 pm

Your wasting your time with this mod. The 700r4, 4l60, and 4l60e are basicly the same. They all share the same failure traits
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Posts : 2301
Join date : 2009-02-22
Age : 36
Location : Mansfield, Ma

PostSubject: Re: transmission interchange   Mon Jun 22, 2009 1:00 am

I'm eliminating computer controls from my car one system at a time. I hate sensors and want to gradually reduce the total number down to what a Caprice would have had in around 1966. Of course I'll still run electric guages because I hate the old mechanical ones which put hot toxic fluids in the passenger compartment.
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Posts : 6878
Join date : 2009-01-20
Age : 41
Location : East Hampstead, NH USA

PostSubject: Re: transmission interchange   Mon Jun 22, 2009 8:36 am

Are you gonna go with a Holley 600 or 750 Double pumper?

Bill "The Verb" Crovo - Resident Car Slut & Unicorn Hunter

A Toasted Marshmallow, A Long German, A Lame Suburban and expensive dreams...
Missing all my previous B's, D's and V... Sad
American Ricer
"Ooooh! Look! Something shiny!"

LOWER IT!!! Wink
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Posts : 2301
Join date : 2009-02-22
Age : 36
Location : Mansfield, Ma

PostSubject: Re: transmission interchange   Tue Jun 23, 2009 4:04 pm

I had originally planned to go with a Vortec 6.0 with a 4l80e, but it might end up running too many dollars for the whole swap. Now I'm leaning towards a gen1 with a th400. I have to do it in sections though as dollars are few and far between. I figure a 700r4 will replace my failing trans and let me start removing electrical stuff so that when I go for the th400 it'll be a little smoother swap.

Before people want too much info this project isn't planned to happen for another year or until my current trans goes boom on the side of 495.

Living on a fixed income realy sucks sometimes Crying or Very sad
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