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Old 03-29-2003, 05:40 PM
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Post th700r4 and a 455 pontiac

I've searched every where I can think of, but can't find any info. I would like to know if they made a th700r4 with a bell housing to bolt to a big block pontiac. Does anybody have any info.
Thanks Dave

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Old 03-29-2003, 06:00 PM
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no 700r's were made with the BOP corporate belhousing, trans adapters are available. That 455 Pontiac will kill a stock 700.

[ March 29, 2003: Message edited by: BOBCRMAN@aol.com ]</p>
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Old 03-29-2003, 06:55 PM
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Just curious, i'll leave th400 on, I know it works well. I've got good mileage with what i've got, just thinking about better,as a daily driver. Thank you. Dave
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Old 03-30-2003, 07:18 AM
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2oo 4r will bolt up behind your 455, and before you post that is a light transmission many Grand National Buick's run them that have plenty of horse power. Install one in own 455 Buick GS Stage 1 body ran great. Many up grades can be made to make this transmission hold up. There are still many cores out in scrap yards, I junk more than I keep in my transmission shop.Rebuild many over the years,they hold up many times 100,000 miles when they are built right.

[ March 30, 2003: Message edited by: airworld2 ]</p>
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Old 03-31-2003, 10:32 AM
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Wasn't a 700R4 used behind the Olds diesel engine? Or rather, isn't that version a BOP pattern? I have a friend with one in a 79 GM pickup. It had a diesel in it, was replaced with an Olds 350 gas engine to keep from having to change the transmission.
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Old 03-31-2003, 02:42 PM
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Use a 200R4. As strong or stronger than a 7004R, made for the Pontiac, and not sexy so can be built inexpensively. Came from factory on 455s so it can handle them, and has a better ratio spread than the 7004R. For some reason it got a bad rep, mainly by the hot rod press because it came on BOP and we all know those are bad while the 7004R came only on Chevys so it MUST be better.
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Old 03-31-2003, 06:00 PM
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[quote]Originally posted by farna:
<strong>Wasn't a 700R4 used behind the Olds diesel engine? Or rather, isn't that version a BOP pattern? I have a friend with one in a 79 GM pickup. It had a diesel in it, was replaced with an Olds 350 gas engine to keep from having to change the transmission.</strong><hr></blockquote>

============= The 700 came out in the 1982 model year. I would think someone added the 700 tranny to your friends 1979 diesel truck if it has a 700 tranny.
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Old 03-31-2003, 06:11 PM
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Hate to burst any one's bubble by 7oo where first install in 1981 chevy pick up's even thou repair books dont reflect this I happen to own one of these rare trucks and yes it was installed by gm I was second owner of this truck and could'nt beleive it came with 700 had vin check to make sure what year truck was 1981 olds 5.7 350 diesel came with bop 400

[ March 31, 2003: Message edited by: airworld2 ]</p>
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Old 03-31-2003, 06:18 PM
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I've heard of 81's with 700 tranys , never seen one. Probably quite a few were built.

I have never heard of a 455 in front of a 200R4 from the factory


The Vacuum regulators on the diesel applications with a T-400 were prone to trouble out here in AZ.

[ March 31, 2003: Message edited by: Crosley ]</p>
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Old 03-31-2003, 06:57 PM
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never seen 200 4r behind anything bigger than 307 olds delta 307 buick park ave ss monte carlo some pont hurst olds, 455 didnt make it after mid 70's that I know of correct me if I am wrong? 403 olds might be what your thinking..
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Old 03-31-2003, 09:24 PM
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I just guessed at the 455 but a 403 sounds almost as good! Whatever the corporate big block was at the time in BOP. Anyway, it went in some heavy duty applications like full sized v-8 station wagons (that is what I got mine out of) and did fine. The car mine came out of was run to death but except for a broken accumulator spring, the tranny was perfect inside. Was almost tempted to rerun all the friction disks they looked so good. A lot of people are drag racing them behind some big engines with success.
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Old 04-01-2003, 09:23 AM
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It's been my experience and the experience of many other healthy Pontiac owners seeking overdrive, the 200R4 while being able to bolt directly to the BOP block is weaker than a 700R4. Neither of which can be expected to live long behind a torquey 455 without significant improvements. Don't get me wrong they are both good transmissions to perform behind relatively stock small blocks, but they don't fare well behind big blocks making significant torque without improvement.

It has also been my experience that the 200R4 costs more to rebuild than a 700R4.
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