th350 to 2004r

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84MadneSS

Not-quite-so-new-guy
Mar 25, 2009
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do i need to switch/modifly my transmission crossmember to switch my th350 to a 2004r in my 84 monte carlo ss
 
You will need a new crossmember, a locking torque converter + wiring if you don't already, and a TV cable and directions for proper adjustment.

(I'm doing this swap next week!)
 
im going to be doing this within the next month, the car was orig a 3.8, not sure what transmission, im guessing a 200metric, but anyways, i need a cheap crossmember, any ideas?
 
supreme_eighty5 said:
im going to be doing this within the next month, the car was orig a 3.8, not sure what transmission, im guessing a 200metric, but anyways, i need a cheap crossmember, any ideas?

Get one from any g body that came with a 200r4. Try junkyards and post in the wanted section.
 
dan2286 said:
supreme_eighty5 said:
im going to be doing this within the next month, the car was orig a 3.8, not sure what transmission, im guessing a 200metric, but anyways, i need a cheap crossmember, any ideas?

Get one from any g body that came with a 200r4. Try junkyards and post in the wanted section.

im gonna run duals, so wouldnt i need an aftermarket one? i was planning on ordering a cheap dual exhaust setup from summit/jegs but they claim not fitting on the cutlass supremes. any ideas.
 
supreme_eighty5 said:
dan2286 said:
supreme_eighty5 said:
im going to be doing this within the next month, the car was orig a 3.8, not sure what transmission, im guessing a 200metric, but anyways, i need a cheap crossmember, any ideas?

Get one from any g body that came with a 200r4. Try junkyards and post in the wanted section.

im gonna run duals, so wouldnt i need an aftermarket one? i was planning on ordering a cheap dual exhaust setup from summit/jegs but they claim not fitting on the cutlass supremes. any ideas.

Since jegs does not have a crossmember for a 200r4 you will have to get either this http://www.crossmembers.com/g-body.htm or this http://cgi.ebay.com/ebaymotors/G-Body-M ... 240%3A1318
 
i had a guy actually notch mine out for my th350 crossmember to run duals he said its really easy
 
supreme_eighty5 said:
im gonna try and make one, either 1/4" plate steel or some square stock. anyone have pics of homemade ones?

Just recently made one. I will try to get pics soon. It ended up not looking too pretty but its working. We used 1/4 c channel for the humps. Wasn't strong enough. Ended up welding in more supports.
 
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