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#1 |
Registered User
Join Date: Nov 2012
Location: Spanish Fork Ut
Posts: 370
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4 spd to 5 spd manual
So I wanna take out the old tired 4 spd out and put in a 5 spd. Any one done that? I'm sure some one has. I don't know much about GM trannys so I'm not sure what to go look for as far as a 5 spd?
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" Dead Pumpkin" 67 Chevy short bed, 292 I6, 4spd manual. Fan of the "Slant Noses". ![]() 93' Toyota pickup 2WD 2dr and 32mpg. Daily driver. 300k+ Members I've met... Mister-B |
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#2 |
Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
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Re: 4 spd to 5 spd manual
Don't remember you having driven that truck enough to declare the tranny tired. They are pretty durable and rebuildable. But it is a granny first without an overdrive. There are various options open to you. It will depend on intended use, what engine, financial considerations and your abilities. Some are easier than others and money spent has a lot to do with how easy and clean a change can be made. There is a case for doing a T-5 swap if you stay with your current engine or similar mild output. Stepping up to a NV3500 or better a NV4500 would be a better choice with most engines. With these come the decisions and expenses of addressing the clutch housing and type of clutch actuation. Need to sit down and do a search for some of the specifics involved.
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
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#3 | |
Registered User
Join Date: Nov 2012
Location: Spanish Fork Ut
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Re: 4 spd to 5 spd manual
Quote:
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" Dead Pumpkin" 67 Chevy short bed, 292 I6, 4spd manual. Fan of the "Slant Noses". ![]() 93' Toyota pickup 2WD 2dr and 32mpg. Daily driver. 300k+ Members I've met... Mister-B |
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#4 |
Registered User
Join Date: Nov 2012
Location: Spanish Fork Ut
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Re: 4 spd to 5 spd manual
Thanks for the info SS Tim
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" Dead Pumpkin" 67 Chevy short bed, 292 I6, 4spd manual. Fan of the "Slant Noses". ![]() 93' Toyota pickup 2WD 2dr and 32mpg. Daily driver. 300k+ Members I've met... Mister-B |
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#5 |
Vintage 4x4s
Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
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Re: 4 spd to 5 spd manual
The 292 is a great motor I'm told, even in stock form. If you want big power you should read up on some of the turbocharged I6's and offenhauser stuff to put on them. You'd be surprised what the 292 can handle and produce with more modern mods.
For the trans, you could look into one of the '80's new process 4spd overdrive units.
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67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades) 67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore ![]() 86 CHV K30 502 th400, apple red NEW 71 CHV K20 350 SM465, ochre (saved work truck) 71 CHV K20 292 SM465, white, tach, PTO, (future project) 72 CHV K20 350 350th, medium blue (project stocker) 01 CHV K2500hd crew, indigo blue ^3 dont run and the others don't see winter either '86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649 '71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642 '72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6 |
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#6 |
The Older Generation
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Location: Montezuma, Iowa
Posts: 25,491
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Re: 4 spd to 5 spd manual
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This should keep you busy for a while... http://67-72chevytrucks.com/vboard/s...d.php?t=313954 LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#7 |
Registered User
Join Date: Nov 2012
Location: Spanish Fork Ut
Posts: 370
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Re: 4 spd to 5 spd manual
O I've done my homework on my motor. Look up Leo Stantucci Very smart man and what a motor he has built. I have his book and it has every possible way to get major HP out of those motors. For now I'm sticking with the el stocko lol.
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" Dead Pumpkin" 67 Chevy short bed, 292 I6, 4spd manual. Fan of the "Slant Noses". ![]() 93' Toyota pickup 2WD 2dr and 32mpg. Daily driver. 300k+ Members I've met... Mister-B |
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#8 |
Registered User
Join Date: Nov 2012
Location: Spanish Fork Ut
Posts: 370
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Re: 4 spd to 5 spd manual
Awwww ok so then swapping a tranny looks like it sucks a lot. I'm no expert mechanic. So maybe would it be just as easy to change my rear end so I have some better freeway speed?
__________________
" Dead Pumpkin" 67 Chevy short bed, 292 I6, 4spd manual. Fan of the "Slant Noses". ![]() 93' Toyota pickup 2WD 2dr and 32mpg. Daily driver. 300k+ Members I've met... Mister-B |
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#9 |
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Join Date: Aug 2012
Location: error 404 location not found
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Re: 4 spd to 5 spd manual
If you could get the coin you could always go with a six speed
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1995 s10 blazer 4.3 1967 c10 350/350 fleet short 1993 s10 blazer 4.3l 4l60 RIP 6/20/14 2000 mercury sable Thats a how I roll |
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#10 |
Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
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Re: 4 spd to 5 spd manual
Now if you could dig up a used Ranger O/D from Advance Adapters and didn't go with too much engine or side stepping the clutch....
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
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