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#727118 - 09/28/09 03:11 AM 700R-4  
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86_SS Offline
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86_SS  Offline
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League City, TX
Will the crossmember for a 200-R4 work for a 700-R4?


86 Monte SS - blackside - sbc350, 700-R4, 7.5" open dif - blazer spindle/brake upgrade w/ stainless braided lines, tubular upper a-arms, 1" front lowering springs, jeep steering shaft, electric fans, serpentine swap, 4" fiberglass hood
#727132 - 09/28/09 03:42 AM Re: 700R-4 [Re: 86_SS]  
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MattsMonte Offline
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Johnston, Iowa
Nope.

700R4 has a mount point that is 3" closer to the rear end. You need a different mount point on the crossmember and then you need a shorter driveshaft


[Linked Image]

1988 MCSS T-Tops. Frame off restoration, 330HP 350 crate engine, 700R4 transmission.
#727163 - 09/28/09 12:23 PM Re: 700R-4 [Re: MattsMonte]  
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redlineSS Offline
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South Jersey
YES

If you get the caprice or caddy 700r4 tailshaft housing, you can keep the 200 crossmember. It moves the mounting point back 3 inches.

http://www.rowand.net/Shop/Tech/AutomaticOverdriveTransmissionSwap.htm

about halfway down the page, there is a picture and instructions!


~Dave~
Monte Carlo...."Born on the Track, Driven on the Street"
#727361 - 09/29/09 04:31 AM Re: 700R-4 [Re: redlineSS]  
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baaboo Offline
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Racine, WI
I'll go along with redline. I redrilled the hole in the mounting pad back, and while a little tight for the bolts, it worked out ok.


1987 Aerocoupe, 383 Super Ram and 20-gallon custom aluminum tank. Car retired (for now) from open road racing, but I'm not.
#727363 - 09/29/09 04:41 AM Re: 700R-4 [Re: baaboo]  
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MattsMonte Offline
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MattsMonte  Offline
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Johnston, Iowa
Learned something new.


[Linked Image]

1988 MCSS T-Tops. Frame off restoration, 330HP 350 crate engine, 700R4 transmission.
#727368 - 09/29/09 05:45 AM Re: 700R-4 [Re: MattsMonte]  
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86_SS Offline
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League City, TX
thanks for the info. .the 700 came extra with the car when i bought it so i wasnt sure what had to be done. .ill have to go measure the tailshaft housing. .thanks again fellas


86 Monte SS - blackside - sbc350, 700-R4, 7.5" open dif - blazer spindle/brake upgrade w/ stainless braided lines, tubular upper a-arms, 1" front lowering springs, jeep steering shaft, electric fans, serpentine swap, 4" fiberglass hood
#727385 - 09/29/09 01:39 PM Re: 700R-4 [Re: 86_SS]  
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redlineSS Offline
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South Jersey
When doing the 700r4 swap, you will need to get your 200 4r driveshaft cut 3 inches, or have a new one made! 49 1/2" is what you need for the 700r4.


~Dave~
Monte Carlo...."Born on the Track, Driven on the Street"
#757656 - 01/18/10 07:32 PM Re: 700R-4 [Re: redlineSS]  
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Intimid88tr Offline
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Girard PA
Where would you cut the Drive shaft at?


--------------------
Int.
aka
Greg
#757666 - 01/18/10 07:53 PM Re: 700R-4 [Re: Intimid88tr]  
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Retro Offline
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Macon,Ga.
In the Center. Just kidding. At the front or rear where the Yokes are welded on.

#757754 - 01/18/10 11:45 PM Re: 700R-4 [Re: Retro]  
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Intimid88tr Offline
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ahh ok Thanks Retro! smile


--------------------
Int.
aka
Greg
#757958 - 01/19/10 05:42 PM Re: 700R-4 [Re: Intimid88tr]  
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Intimid88tr Offline
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Girard PA
One other question guys...what year caprice or caddy do you get the tail shaft out of?


--------------------
Int.
aka
Greg
#758051 - 01/19/10 11:36 PM Re: 700R-4 [Re: Intimid88tr]  
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Retro Offline
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Macon,Ga.
Greg there's lots of Tailhousing Info here, starts about 1/4 way down page >> http://www.rowand.net/Shop/Tech/AutomaticOverdriveTransmissionSwap.htm
The TH400 & TH2004R share rear mount locations so this Info will help. It has the Info you're looking for & much more.
Todd

#758069 - 01/20/10 12:57 AM Re: 700R-4 [Re: Retro]  
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redlineSS Offline
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South Jersey
Another thing to consider when doing this swap is the speedometer drive mechanism.
700r4 used several setups. The electronic housing can be gear driven or reluctor driven. Both these are compatible with Autometer electronic speedometers. ALSO there is two mechanical setups that use different "driven" gear sets. PATC transmissions sells these different gear setups.
I have used all of these setups with great success! Getting the proper drive and driven gears for your rear ratio and tire size is all that is needed for the mechanical setup.

Greg, Buick roadmasters also used those tailshaft housings. Try 88-92, those big boat wagons!!

Here is PATC speedo INFO:

http://www.partshp.com/speedometer_gears.htm


~Dave~
Monte Carlo...."Born on the Track, Driven on the Street"
#758078 - 01/20/10 01:31 AM Re: 700R-4 [Re: redlineSS]  
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Houlie Offline
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Spencer, MA
Originally Posted By: redlineSS
YES

If you get the caprice or caddy 700r4 tailshaft housing, you can keep the 200 crossmember. It moves the mounting point back 3 inches.

http://www.rowand.net/Shop/Tech/AutomaticOverdriveTransmissionSwap.htm

about halfway down the page, there is a picture and instructions!


Gee I remember another member doing this also?........hmmmmmm?

#758161 - 01/20/10 01:50 PM Re: 700R-4 [Re: Houlie]  
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redlineSS Offline
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South Jersey
Originally Posted By: Houlie
Originally Posted By: redlineSS
YES

If you get the caprice or caddy 700r4 tailshaft housing, you can keep the 200 crossmember. It moves the mounting point back 3 inches.

http://www.rowand.net/Shop/Tech/AutomaticOverdriveTransmissionSwap.htm

about halfway down the page, there is a picture and instructions!



Gee I remember another member doing this also?........hmmmmmm?



THAT was BMP (Before MAN PEDAL).................LOL


~Dave~
Monte Carlo...."Born on the Track, Driven on the Street"
#762415 - 02/03/10 10:22 PM Re: 700R-4 [Re: redlineSS]  
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JBreu Offline
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Livonia,N.Y.
I went looking for one of these tailshaft housings........I not only found one....I scored two of them..... I figured as they are so rare.....I will keep one and sell the other.....if anyone here is interested shoot me a PM.....


1984 Monte Carlo sbc bored/stroked to 388 c.i. 514 Dynoed HP.700r4 w/2000 stall,12 Bolt w/4:10
Old Chevy's Don't Die, They Just Get Faster
Best E.T. to date : 12.20 @ 110 MPH All Motor

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