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Joined: Jul 2003
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Joined: Jul 2003
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Is there a 4 speed manual tranny that I can use with my 1961 235, without an adaptor?
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Joined: Jul 2000
Posts: 1,613
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1000 Post Club
Joined: Jul 2000
Posts: 1,613 |
The adapters are for automatics. Your stock bellhousing uses the same pattern on the tranny side as the later ones. Just verify your input collar diameter, as I believe Chevy had 2 different ones over the years.
I.I. #3174
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Joined: Mar 2003
Posts: 256
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Joined: Mar 2003
Posts: 256 |
Well, you can use an SM420 or SM465 wide ratio truck transmission if you want to haul stuff, or a standard GM Muncie or Saginaw will bolt up. You can also use an 89MM with a GM bolt pattern if you can find one in good shape, they are a 4 speed overdrive. I have an SM420 in my pickup at the moment. I am working on upgrading the rearend to 3.08 gears for psuedo overdrive.
You can also install a T5 with a bit of work and a differant clutch.
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1950 Chevy pickup with '62 261, 4 speed.
1950 Chevy pickup with '62 261, 4 speed.
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Joined: Feb 2001
Posts: 208
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Posts: 208 |
4onthefloor, I've got an NP435 that I was going to do the same, but stop once I added up all the expenses with my 67. If you're intent on doing this and interested in a better 1st gear doing this conversion, send me an email bassmaker@hotmail.com I had all the math figured out and the 4.65:1 first would work well with 3.08 rearend (I'd also part with).
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67 Chevy truck 250(No, I'm not putting in a 350!)
68 Camaro 250(Again, I'm not putting in a 350!)
1968 Camaro - 250 (No, I'm not gonna drop a 350 in it!....Jeez!)
1968 C-10 with 2 extra cylinders
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Joined: Mar 2003
Posts: 33
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Posts: 33 |
I put a M21 Muncie in my 1962 235. The only thing that required modification was cutting 6 inches off the driveshaft. It was well worth and like driving a new car.
1962 Chevy Bel-Air 4dr, 235 L6, M20 Muncie
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Joined: Dec 2002
Posts: 39
Active BB Member
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Active BB Member
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Posts: 39 |
What ever tranny that you go with make sure that the index bore is correct . Like pointed out earlier in this post GM used two different sizes 4-11/16 and 5-1/8 . Get the bell housing that matches your retainer collar on the tranny .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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