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#1 |
Registered User
Join Date: Mar 2013
Location: central coast monterey county california
Posts: 348
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3speed tranny
So I took this pic of my tranny can somebody identify what I got thx for your help in case pic don't upload number is 383021
Bottom number is 01962 thx |
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#2 |
Senior Member
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Location: corktown,mi.
Posts: 5,194
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Re: 3speed tranny
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#3 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
Which one is like yours ?
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#4 |
Registered User
Join Date: Feb 2014
Location: Pocahontas Arkansas
Posts: 684
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Re: 3speed tranny
The top trans is a Saginaw. the middle a 319 Muncie overdriveand the bottom a 318Muncie .
Last edited by Old Truck Man; 02-01-2015 at 07:37 PM. Reason: correct |
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#5 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
Whats this one ?
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#6 | |
Registered User
Join Date: Jan 2013
Location: Columbia, SC
Posts: 1,927
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Re: 3speed tranny
Quote:
The bottom number is G1962. The G is for July. G is the 7th letter and July is 7th month, so it was cast in July 1962.
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My 65 C10 build: www.lugnutz65chevystepside.weebly.com Want to know more about T5 transmissions? My website has a T5 Info Page and a Step by Step T5 rebuild. Last edited by Lugnutz65; 02-01-2015 at 09:50 PM. |
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#7 |
Registered User
Join Date: Feb 2014
Location: Pocahontas Arkansas
Posts: 684
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Re: 3speed tranny
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#8 |
Registered User
Join Date: Feb 2014
Location: Pocahontas Arkansas
Posts: 684
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Re: 3speed tranny
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#9 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
The linkage is from a NP 883 3sp. O/D from a newer 2wd. I just moved it up and fward to clr. the console and of course the O/d solienod. fun project it turned out pretty good. 1963 SWB
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#10 |
Registered User
Join Date: Feb 2014
Location: Pocahontas Arkansas
Posts: 684
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Re: 3speed tranny
http://www.themotorbookstore.com/19c...FZI0aQodsFgAvA Ok I have a copy of this book and on pages 7G-15 thru7G-24 It covers the old 4 bolt side cover trans that was first used in 1955. Gm was still using that trans in trucks in 1967. On every page the book has printed MUNCIE. On another forum many are insisting that trans is a Saginaw. Just because some where built in Saginaw. What are your thoughts?
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#11 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
I always called em GM 3. speeds but I'm pretty sure now that all the 3 sps 4 bolt side covers were Muncie till the fully sycro.. Saginaw.
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#12 |
Registered User
Join Date: Mar 2013
Location: central coast monterey county california
Posts: 348
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Re: 3speed tranny
thx fellas im gonna say its probabbly the saginaw,i just havent had time to peek underneath.so quick question how do i flush oil and refill??
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#13 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
Lug nutz is right. it,s a Muncie. Sag. have the numbers on the pass. side. heres a pic of the Muncie from my 63. looks just like yours
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#14 | |
Registered User
Join Date: Nov 2000
Location: Chapin, South Carolina, USA
Posts: 87
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Re: 3speed tranny
Quote:
For the flush part, if you wish, drive it around a bit after the first fill, then repeat the process. Finally, make sure you find the right gear oil. Look for GL-4 and not the "modern" GL-5.
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1965 Chevy C10 Stepside Shortbed--2012 370Z Base Gun Metallic--2020 Chevy Silverado RST Crew Cab |
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#15 |
Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: 3speed tranny
How well will the Muncie 318 hold up behind a pretty mild 350? Only thing it has is a 4 brl carb.
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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#16 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
I pretty sure the Muncie 3 sp. was the base tranny in corvettes forever. circle track guys luv em cause there light. but they don,t use 1st. gear. ie, the problem. A sport truck tranny without 1st. gear sycro is doomed or at least not much fun.
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#17 |
Registered User
Join Date: Mar 2013
Location: central coast monterey county california
Posts: 348
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Re: 3speed tranny
awsome thx mike wessinger,frankslagoon, and lugnutz65 and whoever i missed for that valuable info
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#18 |
Registered User
Join Date: Apr 2011
Location: Edmond, Ks
Posts: 595
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Re: 3speed tranny
I did a whole rebuild on my Muncie 318. It's really easy. You don't need to flush them, they're just an open bucket with gears in them. the fluid just sloshes around. There's no nooks and crannies to flush really. Here's the link to where I got the flywheel off and started. I went with Redline gear oil for the replacement. it sure quieted the double clutching.
http://6066gmcclub.com/forum/showthr...muncie&page=18 All my stuff is step-by-step with pictures because I'm OCD ![]() If you dont wanna rebuild it just drain it and re-fill it with a pump. Easy as refilling your tea glass.
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Step by steps: Remove primer to reveal original paint Rebuild a carburetor See My Build - Cecilia! ![]() Some people are like slinkys. Not worth much but funny as heck when pushed down stairs. |
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#19 |
Registered User
Join Date: Sep 2013
Location: La Vernia, Texas
Posts: 207
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Re: 3speed tranny
I have a question about these trannys. So when I tore down my Muncie 318 I found that the outer surface of the 2nd and 3rd gear clutch was pitted/corroded quite a bit as well as the inner surface of the 1st and reverse sliding gear. The sliding gear is supposed to slide in the grooves in the clutch to change gears but they were frozen together when I opened the case. I freed them up and worked at the pitting with some careful emory cloth and they both look pretty good and they slide nicely by hand but I don't think I can get them to look machined quality again. Do yall think it's a lost cause to reuse these parts when I rebuild the tranny? There is no excessive slack when they are paired together.
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Active duty Navy CPO 1961 C10 SWB 1963 C10 LWB (donor) 1965 C10 LWB BBW |
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#20 | |
Registered User
Join Date: Apr 2011
Location: Edmond, Ks
Posts: 595
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Re: 3speed tranny
Quote:
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Step by steps: Remove primer to reveal original paint Rebuild a carburetor See My Build - Cecilia! ![]() Some people are like slinkys. Not worth much but funny as heck when pushed down stairs. |
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#21 | |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: 3speed tranny
Quote:
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