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Late Model Engines 3.8s, turbos and superchargers, WOW!!!

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  #1  
Old 10-17-2009, 12:39 AM
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hawaii69gs hawaii69gs is offline
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455 / 2004R combo??

I understand that most of the turbo buicks (factory) like the GN's came with the 2004R trans. (If I am wrong, my apologies)
If so, I am wondering if those 200's will stand up to the torque of the 455?
Almost stock build daily driver. Gonna attempt to squeeze the two into a 65 Chevelle.
Thanks & Aloha,
Scott
Been trying to find a knowlegdeable source here in Hawaii, but no luck yet for an affordable rebuild of one I have in storage.
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  #2  
Old 10-20-2009, 03:23 PM
bobc455 bobc455 is offline
 
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Usually, the 200-4R will hold up nicely behind a stock 455. Remember that a 455 can create a lot of torque, and if you plan on thrashing it then you should have it rebuilt to high-performance specs.

Also, be advised that not all 200-4Rs are created equally. The ones from the Grand Nationals were stronger than the 200-4Rs that you'd find in more generic applications. But it sounds like you have one from a GN so you should be okay.

-Bob C.
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Old 11-01-2009, 07:38 PM
Gee_Rydes Gee_Rydes is offline
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The 200 is a great trans. Plus it is about 3.5 inches shorter overall. Sometimes that helps. my X frame needed it.

Just put one behind a Nailhead in my 65...here:

http://www.facebook.com/pages/1965-B...a/149461030162

Dave
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Old 11-01-2009, 07:59 PM
39CENT 39CENT is offline
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455 trans suggestions

T400 is almost indistructable stock, and is the stock trans for the 455,s. for performance a T400 with a lower 1st gear
will give great performance out of the hole, with the stock rear gears. checkout this site for more info


http://www.transmission-specialties....x.php?cPath=32
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Old 11-01-2009, 09:02 PM
Gee_Rydes Gee_Rydes is offline
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TH400 is definitely awesome. isn't the TH400 a 2.48 first gear? The 200 is a 2.74 and the 700 is a 3.06.

Plus, the 200 has a .67 OD. Now that is cool.
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Old 11-22-2009, 06:03 PM
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they sell adapter plates for under $90 to put a chevy pattern trans. behind a buick motor. i've got a 700R4 behind my 455. (I'm an overdrive kinda guy.) trans came out of an 86 corvette and my transmission shop said it had a manual converter lock-up so no need for switches etc. to retain lock-up.
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Old 12-07-2009, 11:23 AM
hotrodrivi hotrodrivi is offline
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200 r4

Quote:
Originally Posted by hawaii69gs View Post
I understand that most of the turbo buicks (factory) like the GN's came with the 2004R trans. (If I am wrong, my apologies)
If so, I am wondering if those 200's will stand up to the torque of the 455?
Almost stock build daily driver. Gonna attempt to squeeze the two into a 65 Chevelle.
Thanks & Aloha,
Scott
Been trying to find a knowlegdeable source here in Hawaii, but no luck yet for an affordable rebuild of one I have in storage.
I would not trust a 200 on a 455.But almost stock youl probably be ok.Also rear gears 3.23 up to 3.83 would put less stress on trans.
I have a 68 riv with 455 and 700r4 trans.it costs about 650. dollars to build one strong enough. Thats if you build it your self.
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Old 08-25-2010, 02:28 PM
mpvance mpvance is offline
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Which 700R4?

I'm just getting started on my 72 GS/GSX Clone done my way. I'm wondering which 700R4 is the one to use behind my warmed up 455. I know many are from Torque Arm (Firebird/Camaro) or Torque Tube(Corvette). How do you hook these to the stock Rearend of the A Body? Or is one from a truck Better?
I'm probably a year off but like to collect parts when the price is right.
Thanks
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  #9  
Old 08-28-2010, 12:49 AM
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bob k. mando bob k. mando is offline
 
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if you want a stock unit you'd want a HD unit out of a GN or Corvette.

most any 200r4 can be built to those HD specs though and any 30 year old trans which is going to see hard use should probably be rebuilt anyways.
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