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SBC/BBC bell housing question #1290001
Wed Dec 05 2018 10:29 PM
Wed Dec 05 2018 10:29 PM
J
jerryrigged  Offline OP
New Guy
Joined: May 2017
Posts: 6
Arkansas
I'm wanting to put a 250 inline six & T5 in my '46 1/2T pickup. I've read some threads about modifying input shafts and/or adapter plates, and have tentatively formed a plan. I've found a 12.75 OD 153 t flywheel from a 250 six Camaro, and a generic aluminum bell housing to mock up shaft lengths etc. This bell housing is 6 & 5/16 inches deep (from surface that bolts to the block to surface where trans mounts). I think I want a bell housing from a 4.3L V6 Camaro or similar that has an integral mount for a slave cylinder cast in. My question is are all the later type bell housings (not truck) for SBC/BBC/V6 (4.3L)/inline 230/250 sixes the same depth? And are all the holes for the input shaft bearing support 4.675" ?
Thanks in advance for any info/opinions...
-Jerryrigged

Re: SBC/BBC bell housing question [Re: jerryrigged] #1290112
Thu Dec 06 2018 08:37 PM
Thu Dec 06 2018 08:37 PM
E
EdPruss  Offline
Shop Shark
Joined: Jun 2011
Posts: 2,458
Longmont, CO
Your modern 250 six is about 3" longer than your original engine, you will have to allow for that.

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.
Re: SBC/BBC bell housing question [Re: jerryrigged] #1290131
Thu Dec 06 2018 11:19 PM
Thu Dec 06 2018 11:19 PM
J
jerryrigged  Offline OP
New Guy
Joined: May 2017
Posts: 6
Arkansas
Thanks, I'm aware of that. I know I'll need to relieve the firewall for clearance as everything is located by the radiator support; & I'll have to fabricate motor mounts, etc. I'm just trying to figure out now if the bell housing I have will work for length dimensions to mock up the driveline. I plan to keep the floor pedals if possible, and thought a hydraulic clutch activation would be easiest.
-Jerry


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