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08-23-2013, 11:44 AM
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#1 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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1969 c10 tranny swap
I'm looking for help with a transmission swap in my 69 c10. It has the 3 speed and I'm wanting to put an automatic in it. A list of everything I will need to make this as easy as possible would be awesome. Thanks.
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08-23-2013, 12:29 PM
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#2 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,992
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Re: 1969 c10 tranny swap
WELCOME!!!! For a start,you will need a tranny and crossmember,a steering column and linkage for an auto,a trans cooler,the correct yoke for the tranny if different,and the correct speedo gears for tranny,gearing and tires.You'll also need a flexplate instead of the flywheel.You will need to remove the crossmember at the bellhousing,so you will need a grinder,drill or chisel.It's not just a simple tranny r&r.You may also have to have the driveshaft shortened.
Someone else may be along to add to the list I've given or to clarify.
__________________
The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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08-23-2013, 12:52 PM
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#3 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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Re: 1969 c10 tranny swap
Thanks for the reply. I guess the main question is which transmission would be the easiest swap?
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08-23-2013, 02:33 PM
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#4 |
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Registered User
 
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 1969 c10 tranny swap
You could also do a floor shift instead of steering column swap if you'd like. The big pain is the crossmembers....
It may be a bit more difficult of a swap but a built 200 4R would be great in it. You'll like the 4 speed auto better than a 3. In which case you'll need linkage for the TV cable too. Good Luck and Welcome to the board.
__________________
1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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08-23-2013, 02:47 PM
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#5 |
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Registered User
Join Date: Oct 2005
Location: Ontario, Canada
Posts: 145
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Re: 1969 c10 tranny swap
I am well along in a similar swap. Out with the 3 on the tree and in with a TH350. At the same time an engine rebuild and a lot of detail work under the hood. Its been a lot of work as I am trying also to make everything look original and new.
What engine is in your truck? Somewhere here I have a thread on it, or search for my posts and you will probably find information to help you. You are welcome to send me a message as well. Mark |
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08-23-2013, 04:26 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 1969 c10 tranny swap
__________________
1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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08-23-2013, 04:53 PM
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#7 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: 1969 c10 tranny swap
another turbo 350 vote , about the simplest , and a great trany , they are everywhere
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08-23-2013, 06:38 PM
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#8 |
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Registered User
Join Date: Feb 2009
Location: Charlotte, NC
Posts: 144
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Re: 1969 c10 tranny swap
Whatcha going to do with the 3-speed?
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08-23-2013, 07:08 PM
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#9 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,992
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Re: 1969 c10 tranny swap
I would agree with the 200r4 or a 700r4.You'll appreciate the added OD and there's no sense in doing it over.
__________________
The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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08-24-2013, 12:36 AM
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#10 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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Re: 1969 c10 tranny swap
The 3 speed is spoken for already.. I have read that if I use a short tail turbo 350 then I can use the same drive shaft as the 3 speed with no modification.. Is this true?
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08-25-2013, 04:14 PM
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#11 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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Re: 1969 c10 tranny swap
Anyone able to confirm that?
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08-28-2013, 04:36 PM
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#12 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 1969 c10 tranny swap
if the short shaft T350 will work, the 200 4R will work with a yoke change. The 2 are almost the same length.
__________________
1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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08-28-2013, 04:40 PM
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#13 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 1969 c10 tranny swap
You'll also need to swap the starter or get a different nosecone to mount the starter to the block instead of the bell housing.
Don't forget to remove the pilot bushing too. Posted via Mobile Device |
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08-28-2013, 10:00 PM
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#14 | |
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Account Suspended
Join Date: Jan 2007
Location: Tucson
Posts: 2,183
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Re: 1969 c10 tranny swap
Quote:
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08-28-2013, 11:11 PM
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#15 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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Re: 1969 c10 tranny swap
I don't know if the th350 will work.. I just read that somewhere. I guess I'll find out. And yes I'm using a floor shifter.
If anyone knows for sure if the th350 will work with 3 speed driveshaft please let me know and maybe save me some work. Posted via Mobile Device |
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09-04-2013, 10:05 AM
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#16 |
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Registered User
Join Date: Aug 2013
Location: ottawa, ks
Posts: 6
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Re: 1969 c10 tranny swap
Just wanted to confirm that the turbo 350 will work with the 3 speed drive shaft with no modification. It was pretty much a direct bolt in after removing the 3 speed cross member.
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09-04-2013, 10:32 AM
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#17 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: 1969 c10 tranny swap
i would figure out what the rear end ratio is b4 selecting a transmission//// the overdrive trannies suggested live best with 373 or 410 gears/// turbo 350 with a 305 type gear ratio
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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