motor mounts - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 26th, 05, 08:50 PM Thread Starter
 
Join Date: Oct 2005
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motor mounts

i have a 327 in my 68 camaro and going to exchange it with a 427 ive heard that you really dont need to change mounts and you could use the small block mounts. and if im running a aluminum heads, intake, and water pump will the small block springs need to be changed for big block springs. just thought that may be all the reduced weight that it would sit fine.
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post #2 of 4 (permalink) Old Oct 26th, 05, 11:07 PM
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Al
 
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Re: motor mounts

You'll have a problem getting headers to fit with SB mounts. The BB mounts offset the motor to the passenger side.


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post #3 of 4 (permalink) Old Oct 27th, 05, 06:19 AM
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Re: motor mounts

Al had the same initial thought as I did. Correct big block frame stands move the engine to the pass side about an inch, and if you have power steering, you'll need every bit of that inch. I have the correct frame stands and correct exhaust manifolds on mine (driver side manifold has a curve cast into it to clear the PS box), and it's pretty tight. If you're running a manual steering box, you might be okay on small block mounts.

If you did the aluminum parts on a big block and had a car with fresh, stiff small block springs, you might (repeat, might) be okay without changing them. If the small block springs are original, tired, weak rate small block springs, I'd change them.

Eric
69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!
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post #4 of 4 (permalink) Old Oct 27th, 05, 11:23 AM
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Chris
 
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Cool Re: motor mounts

You really need to install Big Block frame mounts! Header fitment will be an issue for sure. Possibly others too.

1967 Chevelle 496BB/TH400/Dana-60 (Show and Go)
1967 El Camino 388SB/700R4/12-bolt posi (Daily Driver)
1967 C10 Short-Wide 496BB/TH400/12-bolt (The Shop Truck)
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