Small block to Big Block converstion on a 68 - Team Camaro Tech
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post #1 of 4 (permalink) Old Nov 9th, 05, 11:57 PM Thread Starter
 
Join Date: Oct 2005
Posts: 106
Small block to Big Block converstion on a 68

Hi folks, I am doing a BB conversion on my non original 307 small block 3 speed convert. I want to do a mild 396 backed with a muncie M20 that I already have,
Now my questions.. I am aware of the obivous parts needed, tell me if I'm missing anything..
BB radiator & shroud
BB clutch bellcrank
BB motor mounts
BB 4 speed X-member
BB heater box and heater core
BB exhaust headers
Misc pulleys and brackets
Oh and Disk Brakes..
Can anyone think of anything I may be missing?
Thanks
Jeff
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post #2 of 4 (permalink) Old Nov 10th, 05, 06:50 AM
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Join Date: May 2004
Location: Southeast PA
Posts: 8,303
Re: Small block to Big Block converstion on a 68

If you are breaking down the front end to put on discs, might as well plan on big block coil springs. If you do a search for "big block coil" you'll see what we're using.

Eric
69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!
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post #3 of 4 (permalink) Old Nov 10th, 05, 08:33 AM
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Tom
 
Join Date: Jun 2001
Location: Rochester Mn
Posts: 7,749
Talking Re: Small block to Big Block converstion on a 68

Motor Mounts AND Frame mounts.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #4 of 4 (permalink) Old Nov 10th, 05, 11:12 AM
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Wes
 
Join Date: Dec 2003
Location: Leander, TX
Posts: 2,762
Re: Small block to Big Block converstion on a 68

1) Can't remember,..if your 307 car has a 5/16 fuel line, you'll need to up it 3/8's
2) Coil springs
3) Center Link...BB's had a larger center-link for a reason,..better safe than sorry
4) Sub-frame connectors,..mandatory or you'll twist the body
5) Beefier rear,..your 10-bolt WILL break with a BB and 4-Speed if you plan to use the available HP
6) If you don't already have a 396 engine or block, go to a 454,..more are available, and the 60 extra cubes will mean more HP with less effort (and expense)

Good luck!
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