700R case larger than 400 turbo
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700R case larger than 400 turbo
Posted: March 09 2008 09:10 PM
 
Bernie Casey (aka koolstuff0099) [ View ] [ koolstuff0099@comcast.net ] [ Car Ads ] [ Blogs ]
Newburyport, Massachusetts
(978) 337-0099
 Koolstuff
 
I just swapped my Turbo400 for a 700R. Using sme cross member the trans now hits floor. Looks like the case is slightly larger than the 400? Cant lower tailshft so I'm cutting the "hump" out and redo floor. Do I goof somewhere?
 
 
 
Comments
 
Posted by jimmothershead  -  03/09/2008 10:47 PM
Bernie,,,,,,,,stick with the 700. You'll be glad you did. TH 400 has not been made by GM in over 20 years. 700R-4 came out in 1982. The basic 700 trans exist in 2000 GMs with electronic controls.
How are you going to lock up the converter?
Jim 410 535 1933
Jim [ View ] [ Email ] [ Blogs ] [ Car Ads ] Huntingtown, Maryland
 
Posted by Crazyhorse Rod Shop  -  03/10/2008 07:56 AM
should have used a 200
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by dale  -  03/10/2008 10:26 AM
I agree with crazyhorse Rod Shop. The 2004R has the tranny mount location almost the same as the 400, the case is smaller, it can be just as strong.
dale [ View ] [ Email ] [ Blogs ] [ Car Ads ] Dekalb, Illinois
 
Posted by robymarks  -  03/10/2008 06:34 PM
I see alot of comments on locking up the torque converter. I assume these converters are the ones that locked up over a certain RPM. On the non electronic version, what does this mean? What affect does it have it doesn't lock up? Isn't there some fix for this? Curious.
robymarks [ View ] [ Email ] [ Blogs ] [ Car Ads ] Houston, Texas Charter Member since October 2005
 
Posted by 31tudor  -  03/10/2008 06:37 PM
I'm hearing the 200R cases are difficult to find. Anyone else heard the same? Should I buy a few and store 'em?
Eric Hibbs [ View ] [ Email ] [ Blogs ] [ Car Ads ] St. George, Utah Charter Member since January 2002
 
Posted by Crazyhorse Rod Shop  -  03/10/2008 07:10 PM
the 200's are still out there . the 200 only needs 1 ign hot for lock up or you can run it without lock up. imho it is a far better trans and tuffer. the gear split is better and it uses a clutch pack for 4th. the 700 is notorious for exploiding on the down shift from od.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by bigdude  -  03/10/2008 08:55 PM
I'm running mine w/o lockup
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by ronhotrod  -  03/10/2008 09:22 PM
we sell a very simple kit to "lock" the convertor. It wires thru the brake switch. when the brakes are applied it releases the convertor until the brakes are released and then it locks up the convertor. have one on a '54 truck with 700r4 and works quite well. Also have the 'pressure' switch type that does not require a computer, but I like the brakes switch better.
ronhotrod [ View ] [ Email ] [ Blogs ] [ Car Ads ] Mount washington, Kentucky Charter Member since July 2001
 
Posted by Crazyhorse Rod Shop  -  03/10/2008 09:37 PM
hey big d , i like to run a switch so i can use the lock up on long cruzes but around town i prefer not to use the lock up and just run a 4 speed . simple to wire. 700's are a pia.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by bigdude  -  03/11/2008 11:46 AM
I dont think I have a lock up verter
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by Crazyhorse Rod Shop  -  03/11/2008 02:20 PM
easy enough to find out. hook a ign hot to it and see if it locks up.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by bigdude  -  03/11/2008 02:31 PM
Where?
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by Crazyhorse Rod Shop  -  03/11/2008 02:35 PM
driver side of box there is a 4 hole plug. looking at it the top left hole is for the lock up. put an ignition hot there. fused just in case something weird is inside but there should be a pressure switch inside to lock and unlock the converter.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by tlp1968  -  03/11/2008 03:33 PM
If the 200's are hard to find do you mean they aren't producing them? Phoenix never mentioned they were hard to get. I also understand that 200's are only for small block applications- True/False?
StreetRodding.com Marketing Director [ View ] [ Email ] [ Blogs ] [ Car Ads ] Springfield,, Illinois Charter Member since August 2003
 
Posted by bigdude  -  03/11/2008 05:09 PM
Thanks bud I will give it a try-this was a stand alone trans though. are these different?
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by Crazyhorse Rod Shop  -  03/11/2008 05:30 PM
dont know what you mean by stand alone. all were lock up that i know of. used in s10's a lot.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by bigdude  -  03/11/2008 06:10 PM
supposedly you dont need wiring on this????
resident know it all [ View ] [ Email ] [ Blogs ] [ Car Ads ] Three Rivers, Michigan Charter Member since January 2004
 
Posted by Crazyhorse Rod Shop  -  03/11/2008 06:27 PM
you can run the 200 either way unlike the 700. test the plug and see if it has a switch in it.
dont poke the porchdog........he bites [ View ] [ Email ] [ Blogs ] [ Car Ads ] BLUFF DALE, Texas Charter Member since March 2003
 
Posted by hotrodgene  -  03/11/2008 07:40 PM
The earlier 700 could be run without lockup.I had one put in enother rod to replace a 350 and found it to be about 1"taller than 350.I also was told at that time that I did not have to lock up convertor but may run a little cooler and gain a little more mileage if I did.After about 1500 miles I did install a kit for lock along with a manual switch for city and saw no difference but was told the later one MUST be lockup.I gain about 4 mile per gal with swap.
Gene Riffe [ View ] [ Email ] [ Blogs ] [ Car Ads ] Saint Petersburg, Florida
 
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