need help...trans. crossmember problem,with 700r4
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
need help...trans. crossmember problem,with 700r4
i have a 73 automatic turbo 400 car but when i bought it i had to replace the frame..but all i could find at the time was a 68 4 speed frame for 200.00 from a guy i knew so i did it...now heres the problem as you most know 4 speed frames dont have a removable crossmember and automatics do..so now i need to relocate the crossmember for the 700r4.SSo should i just cut out the old one and make a new one which i kind of already did,i made a removable and adjustable one for the car awhile back so i could just make brackets up to fit the car,and just cut the old one right at the frame and just box it in...any help would be appreciated.
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Re: need help...trans. crossmember problem,with 700r4 (Ed T)
hey one reply...well i couldnt pass up on the frame for 200..it was actually a rollling chassis too.ok ill go with the one i made thanks.
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Re: need help...trans. crossmember problem,with 700r4 (Ed T)
im hoping ill cut most of it out with a sawzaw and finish up edges with a cutoff wheel i use for exuast work.and the chassis i got was a friend who ownes a junkyard in the area he had it for awhile just wanted to get rid of it.
[Modified by pats406nitrovette, 8:29 PM 7/25/2002]
[Modified by pats406nitrovette, 8:29 PM 7/25/2002]
Safety Car
Joined: Apr 2001
Posts: 4,795
Likes: 1
From: Regina Saskatchewan, Canada.
Re: need help...trans. crossmember problem,with 700r4 (QuickVet)
Pat,
My 74 was originally a 4 speed car and now has a 700-R4. This means that to pull the tranny I have to pull the motor for lack of a removable crossmember :rolleyes:. My best buddy and master mechanic took a TH350 trans mount and modified it to work with the 700-R4. I can't remember exactly how he did it but I remember something about it being turned upside down I think. Lemme know if you want to know more and I can go to the storage and take pictures of it for you.
[Modified by Stingy74, 11:34 PM 7/25/2002]
My 74 was originally a 4 speed car and now has a 700-R4. This means that to pull the tranny I have to pull the motor for lack of a removable crossmember :rolleyes:. My best buddy and master mechanic took a TH350 trans mount and modified it to work with the 700-R4. I can't remember exactly how he did it but I remember something about it being turned upside down I think. Lemme know if you want to know more and I can go to the storage and take pictures of it for you.
[Modified by Stingy74, 11:34 PM 7/25/2002]
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Re: need help...trans. crossmember problem,with 700r4 (Stingy74)
hey stingy that would be great if you could do that,at least it would give me an idea..thanks,ill wait till i see the pics.
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Safety Car
Joined: Apr 2001
Posts: 4,795
Likes: 1
From: Regina Saskatchewan, Canada.
Re: need help...trans. crossmember problem,with 700r4 (Stingy74)
Here are the pics:
I would have captioned them all but i'm late for a beer drinking session! The mount is from my 79 Corvette which had a TH350. I also use a poly mount for a TH350. I initally was only going to take pics from under the car but for the time it took I pulled the mount out. Hope these pics help you out.
Aaron.
I would have captioned them all but i'm late for a beer drinking session! The mount is from my 79 Corvette which had a TH350. I also use a poly mount for a TH350. I initally was only going to take pics from under the car but for the time it took I pulled the mount out. Hope these pics help you out.
Aaron.
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Re: need help...trans. crossmember problem,with 700r4 (pats406nitrovette)
406, I have a 700r4 in an original muncie car, '72, and I modified the trans mount to fit the tranny...worked fine....had to remove tranny recently for fixing, so rather than do the engine again....I cut the crossmember out of there, exhaust too , with a sawzall, then had welded some 8" of 2" angle iron on the removeable member, and a flange on top which is nothing more than to rest the cross support on while two 1/2 dia ~5" bolts with locknuts are inserted into the frame 'tabs' still welded onto the frame rails...
that cross support is nothing more than a tranny mount....adds little if anything to critical support for handling, not enough to notice anyway...figger the auto supports are held in by only 3 bolts/side...the two 3/8 bolts going in from bottom only hold it vertically, and ~5" bolts going sideways are taking most of the strain....
GENE
that cross support is nothing more than a tranny mount....adds little if anything to critical support for handling, not enough to notice anyway...figger the auto supports are held in by only 3 bolts/side...the two 3/8 bolts going in from bottom only hold it vertically, and ~5" bolts going sideways are taking most of the strain....
GENE
Team Owner
Joined: Jul 2001
Posts: 182,997
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From: Lakeland, FL
Cruise-In IV-V-VI-VII-VIII Veteran
St. Jude Donor '03, '06, '17
Re: need help...trans. crossmember problem,with 700r4 (pats406nitrovette)
Bowtie Overdrive sells a complete crossmember to mount the TH700R4.
They also have a bracket that allows to mount the transmission. The crossmember is approx. $200 and the bracket is $80...
http://www.700r4.com/
They don't have the bracket for sale on their webpage but they do have it. I bought the bracket for my TKO (same mounting position as TH700)
:cheers:
Olivier
They also have a bracket that allows to mount the transmission. The crossmember is approx. $200 and the bracket is $80...
http://www.700r4.com/
They don't have the bracket for sale on their webpage but they do have it. I bought the bracket for my TKO (same mounting position as TH700)
:cheers:
Olivier
Burning Brakes
Joined: Jul 1999
Posts: 1,013
Likes: 0
From: Austin TX
Re: need help...trans. crossmember problem,with 700r4 (pats406nitrovette)
Pat,
I had mine cut at ~45 degree angles to the outside of the exhaust holes, then they welded some flanges to make it bolt on...cause we couldn't get the 6 speed out without pulling the motor.
So when we painting my Vette ;)
If you need someone to do the welding, lemme know I'll get you in touch with the shop that did my work, I think they are in the Somerville area off 287
I had mine cut at ~45 degree angles to the outside of the exhaust holes, then they welded some flanges to make it bolt on...cause we couldn't get the 6 speed out without pulling the motor.
So when we painting my Vette ;)
If you need someone to do the welding, lemme know I'll get you in touch with the shop that did my work, I think they are in the Somerville area off 287
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Re: need help...trans. crossmember problem,with 700r4 (StingrayRacing)
ok great info guys thanks..i got it cut out,but had to work today and tommorrow so earliest ill get back to it is monday night so ill start seeing where the new one has to go back in at.thanks for the replys.
STINGRAY..... like i said before if you need help when your gone to paint the car ill come up and lend a hand no problem.
STINGRAY..... like i said before if you need help when your gone to paint the car ill come up and lend a hand no problem.
Safety Car
Joined: Jun 2002
Posts: 4,135
Likes: 1
Re: need help...trans. crossmember problem,with 700r4 (mrvette)
that part is available at http://www.700r-4.com-----boetie overdrives---hes outta southern california---specalizes in installiation an hardware to fit updated trans in oldeR AND CLACCIC AND ANTQUIUE CARS I PUT MY 700R4 IN MY 73 USING ALL HIS COUSTOM MANUFACTURED----------------------------http://www.geocities.com/carlclub2/index.hTHL--------
