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#1
05-30-2012, 12:27 PM
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trans crossmember
switching my brothers 64 gto from a 4 speed to a t350. question is do you use the same mount? does the crossmember still sit on the top of the frame rail? thanks for the help. danny
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#2
05-30-2012, 12:57 PM
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Danny, I would say, yes.
In the later years they are. (no TH350 in 64) Not sure on the last question, but the same, I'd say it's on top the frame. 
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
05-30-2012, 02:22 PM
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Yes, sits on top on the frame in the rubber cushion covered by the metal bracket with bolt holes on each end.
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#4
05-30-2012, 04:37 PM
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And as a bonus, the crossmember stays exactly where it was for the four speed, and the drive shaft will work with the TH350 without modification. The only thing you have to do is hook up a downshift cable.
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#5
05-30-2012, 05:12 PM
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Quote:
Turbo 400 Moved the cross-member back. Turbo 350 an easy swap from a Muncie. Tom Vaught
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#6
05-31-2012, 07:32 AM
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thanks guys!!!! got it in and running last night. going to the track friday night just to see how it does. danny
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#7
06-04-2012, 08:17 PM
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2004R in a '65 A-body
Quote:
Ken |
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#8
06-04-2012, 09:18 PM
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No, they do not.
If you have a "Roof Car" the frame is a "C" section and the cross-member can be moved rearward, a 400 driveshaft from a 67 GTO used/made and you are good to go. If you have a "vert", then it is harder. You can bolt plates to the exposed mounts welded on the side of the frame, drill new holes in the plates, slide the cross-member rearward and then drill the actual cross member mounts in the plates. When I had the frame out of my car I split the cross-member mount, cut the rear portion off and moved it rearward, and added a "middle section" that would allow me to run my Doug Nash trans, (400 type cross-member location), or my M21-or M22 manual GM Transmissions. Tom Vaught Ps Check for floorboard to driveshaft clearance when doing the 400 Trans/ cross-member swap.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#9
06-12-2012, 09:24 PM
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The 2004R is the same overall length as a Muncie or TH350, but the mounting pad is in the same location as a TH400. In other words, you need the TH400 crossmember mounting location, but use a stock length Manual / TH350 / Super Turbine 300 driveshaft & yoke.
Ken |
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#10
06-23-2012, 11:58 AM
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Quote:
__________________
 3 Generations of "Beach Boys Racing" ! Everybody knows somthin. Nobody knows everything ! 1st time on a dragstrip, 1964. Flagstart ! "Thanks for the entertainment." "Real Indians Don't Wear Bowties" |
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#11
06-23-2012, 10:08 PM
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Quote:
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