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05-01-2020, 05:37 PM
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#1 |
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Registered User
 Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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th400 yoke question
Guys i,am switching from a th350 trans up to a th400 trans in my 1972 c10 with a 350 sbc. My question is what size u-joints come fron the factory. 1310-1330 or 1350. I have to buy a new 32 spline yoke.
Thanks again bob
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I BELIEVE IN JOHN 3:16 |
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05-01-2020, 06:19 PM
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#2 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,728
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Re: th400 yoke question
It depends on what driveline combo your truck came with. Most small block TH350 trucks had 1310 joints.
I have a big block TH400 truck that has some 1330 joints and some 1350 in the rear driveline. So bust out your caliper and figure out what you have. As you know, your driveshaft will need to be shortened, so pick whatever size you want and use that if you are replacing one end or having a new shaft built.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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05-01-2020, 06:23 PM
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#3 |
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Senior Member
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: th400 yoke question
the last time i did this conversion was around 1993 but I remember having to shorten the drive shaft that was on a 72 LWB C10 and the driveshaft shop put it the yoke and shaft together.
my latest 72 c10 now with a th350 has 1310 is all 3 joints i would take the old joint to the parts store and see if they will match it up maybe that will give you an idea
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks 
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05-01-2020, 06:25 PM
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#4 |
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Senior Member
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: th400 yoke question
also i remember there being a thin walled yoke and a thick walled yoke
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks
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05-01-2020, 06:26 PM
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#5 |
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Senior Member
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: th400 yoke question
Bob,
have you done business with Skip White in your town? just looking at some of his engines
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks
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05-01-2020, 07:24 PM
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#6 |
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Registered User
Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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Re: th400 yoke question
Ya, i,ve done business with skip whites business. Good prices i must say. I know 1 of there engine builders ,gary mannery and he,s good and been at it for several decades
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I BELIEVE IN JOHN 3:16 |
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05-02-2020, 03:14 PM
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#7 |
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Registered User
Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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Re: th400 yoke question
Found out i have 1310 joints so i got a genuine spicer yoke comming off ebay
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