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Joined: Jun 2002
Posts: 315
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OP
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Joined: Jun 2002
Posts: 315 |
How much hassle is it to rebuild a Muncie SM 465 for a '68 C/10 w/292?
I/I #4101
'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy Intake, 500 CFM AFB,Clif headers, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
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Joined: Dec 2002
Posts: 39
Active BB Member
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Active BB Member
Joined: Dec 2002
Posts: 39 |
If you have access to a press and a good assortment of shop tools it is no real problem . There are different levels of re-build kits so be careful on what you purchase . Some just replace the roller/ball bearings and some offer the bushings too . Take a close look at the third gear syncro - this is a high ware item for the 465 and also you can up-grade the weak snapring on the third gear cluster to a full length spacer instead . Make sure the bearings you get are "maximum capacity" instead of std capacity - some re-build kits offer the std. bearings to make the kit cheaper.
All in all this is a fairly simple tranny to rebuild - it's just heavy !
HTH, Tom
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1984 K-30 w/ 292 / CH465-NP205 ( 32 spline )Dana 60 / GM 14 bolt - 1410 series u-joints / TBI
Pull truck: 2002 HD2500 4X4 Dodge Cummins Turbo Diesel H.O.
NVG 5600 Dana60/80 4.10's
1984 K-30 w/ 292 / CH465-NP205 ( 32 spline )Dana 60 / GM 14 bolt - 1410 series u-joints / TBI
Pull truck: 2002 HD2500 4X4 Dodge Cummins Turbo Diesel H.O.
NVG 5600 Dana60/80 4.10's
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Joined: Jun 2002
Posts: 315
Contributor
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OP
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Joined: Jun 2002
Posts: 315 |
The gear box I was running would sometimes lock up between 2nd and 3rd. You'd have to slap it or shake the stick to clear it. Could be embarassing in city traffic. I replaced the shift ball, spring and stamped steel shift collar cap, but it still would stick sometimes. Go figure?
I/I #4101
'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy Intake, 500 CFM AFB,Clif headers, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
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Joined: Jun 2002
Posts: 315
Contributor
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OP
Contributor
Joined: Jun 2002
Posts: 315 |
I saw in the new Eastwood catalog, on the back page, they listed rebuild kits for 4-speed Muncies by the year.
I did not specifically see "SM 465" or "Truck" listed separately. Can I assume these kits are all for car applications?
They were made in the USA and the price seemed reasonable.
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'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy I,Holley 390,Clif ex, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
I/I #4101
'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy Intake, 500 CFM AFB,Clif headers, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
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Joined: May 2000
Posts: 542
Major Contributor
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Major Contributor
Joined: May 2000
Posts: 542 |
I have a good SM 465 in Florida that I would sell you pretty cheap. I assume from your monicker that you're from the Sunshine State. If you're interested, e-mail me at: drh@digital-link.net
Lord, let me live long enough to do all the projects I have planned!
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Joined: Jun 2002
Posts: 315
Contributor
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OP
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Joined: Jun 2002
Posts: 315 |
I'm in that "other" sunshine state, brother, _Arizona_ -- where the sun can kill you! [But only if you let it.] Shipping from Florida to Arizona is prohibitive fot something that heavy. 300#+?.
Also I have this perverse desire to fix the one that came out of my rig so I don't have to recalibrate the whole speedo-/bullet thing. As much as some of the local Xmsn shops are asking to rebuild 465's lately, it's enough to make me price a gear press and rebuild kits and do it myself. That way I know what's in it. I have this one unit that came out of the pickup truck and the old one I kept from before that in 1990. With a backlog of already -used 465 trannies, I don't need any more. There's even a good one running in my '71 Jimmy. (Rare in K/5s of this vintage). So for future reference and my own edification, it would be worthwhile to invest in some shop tools and bearing & seal kits, so I can still rebuild 465s long after local shops won't remember how to deal with that much old iron.
I do appreciate the offer, however.
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'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy I,Holley 390,Clif ex, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
I/I #4101
'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy Intake, 500 CFM AFB,Clif headers, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.
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