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02-16-2009, 03:53 PM
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#1 |
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Registered User
Join Date: Apr 2007
Location: Visalia, CA.
Posts: 327
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what if.......
my son looked under my truck and tranny says "GMC Hydromatic", on the pan, is this a 200r4 or is it 350? its a 1979 GMC 1/2 ton
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68 c-10 1/2 ton swb fleetside, 79 GMC Sierra Grande 1/2 ton swb fleetside, 99 Dodge Durango 4x4(wifes ride  ),53 and 55 chevy trucks(dads trucks )54 caddy 62 series 4 door(younger sons ride, aka 54caddy )70 caddy 2 door, 89 chevy silverado stepside(older sons rides )
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02-16-2009, 04:06 PM
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#2 |
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Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Re: what if.......
it is probably a 350
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-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square" 
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02-16-2009, 04:21 PM
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#3 | |
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Registered User
Join Date: Apr 2007
Location: Visalia, CA.
Posts: 327
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Re: what if.......
Quote:
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68 c-10 1/2 ton swb fleetside, 79 GMC Sierra Grande 1/2 ton swb fleetside, 99 Dodge Durango 4x4(wifes ride ),53 and 55 chevy trucks(dads trucks )54 caddy 62 series 4 door(younger sons ride, aka 54caddy )70 caddy 2 door, 89 chevy silverado stepside(older sons rides )
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02-16-2009, 04:23 PM
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#4 |
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Registered User
Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
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Re: what if.......
I think the 200r4's came out in the mid 80's.
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Jeramy '84 GMC project truck '85 Chevy 4X4 SOLD '07 Chevy Trailblazer SS 5th Annual SHPHC Car/Truck Show Pics http://67-72chevytrucks.com/vboard/s...d.php?t=543605 UPDATED PICS! CHECK 'EM OUT |
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02-16-2009, 04:25 PM
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#5 |
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Registered User
Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
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Re: what if.......
Check the shape of the pan and then check out this site.
http://www.transmissioncenter.net/PanShapes.htm[/URL]
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Jeramy '84 GMC project truck '85 Chevy 4X4 SOLD '07 Chevy Trailblazer SS 5th Annual SHPHC Car/Truck Show Pics http://67-72chevytrucks.com/vboard/s...d.php?t=543605 UPDATED PICS! CHECK 'EM OUT Last edited by silvereagle07; 02-16-2009 at 04:29 PM. Reason: link |
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02-16-2009, 04:33 PM
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#6 |
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Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: what if.......
I don't think the 200 was ever offered in the trucks. It may have been swapped in later, as they will directly interchange with a TH350. A TH350 will have a square pan, with one corner cut off. A 700R4 will be square.
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02-16-2009, 08:15 PM
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#7 |
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Registered User
Join Date: Jan 2009
Location: Canada
Posts: 308
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Re: what if.......
The only transmission pans that I have seen that say that are some of the TH400's from the 1980's. I think that's what you have.
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02-16-2009, 08:27 PM
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#8 |
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Registered User
Join Date: Apr 2007
Location: Visalia, CA.
Posts: 327
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Re: what if.......
Its a 400 for sure now
__________________
68 c-10 1/2 ton swb fleetside, 79 GMC Sierra Grande 1/2 ton swb fleetside, 99 Dodge Durango 4x4(wifes ride ),53 and 55 chevy trucks(dads trucks )54 caddy 62 series 4 door(younger sons ride, aka 54caddy )70 caddy 2 door, 89 chevy silverado stepside(older sons rides )
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