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3 speed behind new 350SBC #1286762
Fri Nov 09 2018 06:22 PM
Fri Nov 09 2018 06:22 PM
Y
Yukon56  Offline OP
New Guy
Joined: Aug 2017
Posts: 19
Yukon Territory
Hey friends,

I have a 235 currently with a three speed on the floor currently in my 56' 3100. I'm looking to put a 350 SBC in the truck this winter and was wondering if my current bell housing and transmission will bolt up together. I've read around of others having to use a V8 bell housing but I'm not sure if that is the case for me.

Thanks!

Last edited by Yukon56; Fri Nov 09 2018 06:22 PM.
Re: 3 speed behind new 350SBC [Re: Yukon56] #1286764
Fri Nov 09 2018 06:43 PM
Fri Nov 09 2018 06:43 PM
J
Jon G  Offline
Shop Shark
Joined: Mar 2014
Posts: 639
Dallas, TX
The bellhousing bolt pattern is different for each of those engines.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: 3 speed behind new 350SBC [Re: Jon G] #1286766
Fri Nov 09 2018 07:00 PM
Fri Nov 09 2018 07:00 PM
Y
Yukon56  Offline OP
New Guy
Joined: Aug 2017
Posts: 19
Yukon Territory
Thanks Jon,
Would a newer V8 bell housing bolt up to my older 3 speed transmission?

Last edited by Yukon56; Fri Nov 09 2018 07:00 PM.
Re: 3 speed behind new 350SBC [Re: Yukon56] #1286775
Fri Nov 09 2018 08:01 PM
Fri Nov 09 2018 08:01 PM
3
3B  Offline
Master Gabster
Joined: Nov 2005
Posts: 5,240
B. C. Canada
Hy Yukon56, you want to find and use a cast iron bellhousing from a 1955B to 1959 Chevrolet V8 truck, this bellhousing will accept your transmission and has the correct rear engine/crossmember mounts cast into it, hope that helps.

Re: 3 speed behind new 350SBC [Re: Yukon56] #1286776
Fri Nov 09 2018 08:30 PM
Fri Nov 09 2018 08:30 PM
J
Jon G  Offline
Shop Shark
Joined: Mar 2014
Posts: 639
Dallas, TX
Yes, what 3B just said.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: 3 speed behind new 350SBC [Re: Yukon56] #1286777
Fri Nov 09 2018 08:47 PM
Fri Nov 09 2018 08:47 PM
R
rfs56trk  Offline
Shop Shark
Joined: Apr 2005
Posts: 1,551
Seal Beach, CA
You can also use a bellhousing from a 63 through 66 V-8 or 6 cylinder truck. Same mounting and bolt pattern as 55-59 V-8's.
Fred

Re: 3 speed behind new 350SBC [Re: Yukon56] #1287378
Wed Nov 14 2018 02:16 AM
Wed Nov 14 2018 02:16 AM
Y
Yukon56  Offline OP
New Guy
Joined: Aug 2017
Posts: 19
Yukon Territory
Thank you for the information, its much appreciated.

Matt

Re: 3 speed behind new 350SBC [Re: Yukon56] #1287380
Wed Nov 14 2018 02:25 AM
Wed Nov 14 2018 02:25 AM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 17,286
Dellrose, TN
Some of the early 1960's cast iron bell housings were used with a hydraulic clutch. Those have the throwout fork mounted to the passenger's side of the bellhousing. They fit onto the same mounts as the others, but they're not compatible with mechanical clutch linkage.

Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: 3 speed behind new 350SBC [Re: Yukon56] #1287436
Wed Nov 14 2018 04:16 PM
Wed Nov 14 2018 04:16 PM
R
rfs56trk  Offline
Shop Shark
Joined: Apr 2005
Posts: 1,551
Seal Beach, CA
The hydraulic cylinder/slave system was used on 60-62 trucks.
Fred

Re: 3 speed behind new 350SBC [Re: Yukon56] #1287517
Thu Nov 15 2018 04:13 AM
Thu Nov 15 2018 04:13 AM
E
EdPruss  Offline
Shop Shark
Joined: Jun 2011
Posts: 2,436
Longmont, CO
The slave cylinders are still available, although made offshore, have PN if one needs it.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'52 GMC 630 w/ 603 gasser, ex fire truck.

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