Another BB Frame Mount Question - Team Camaro Tech
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post #1 of 8 (permalink) Old Dec 19th, 08, 07:27 PM Thread Starter
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Another BB Frame Mount Question

I've been reading the forums a bunch learning about putting a big block into my '68. I understand the offset mounts are used to roll the block for header clearance on the steering box. All the steering boxes I've read about needing the clearance have been power. I have a manual box. Does the power box need more header clearance than the manual? Anyone use the small block frame mounts with a big block and a manual steering box?
Thanks!!
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post #2 of 8 (permalink) Old Dec 19th, 08, 08:37 PM
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Re: Another BB Frame Mount Question

The only way I know of that you can run small block mounts is with Lemons headers. That's how mine is set up.
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post #3 of 8 (permalink) Old Dec 19th, 08, 09:12 PM
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Re: Another BB Frame Mount Question

I have a 454 in a '67 that was originally a 327 car. I have Hooker 2 1/8" headers and manual steering. I used the factory 327 frame stands with the 327 engine mounts and everything fits well. I did remove the heater core (just the core and not the box), as the engine will not fit without smashing it.
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post #4 of 8 (permalink) Old Dec 20th, 08, 01:48 AM
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Re: Another BB Frame Mount Question

Wooderson...where you at in Iowa? You cool man?
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post #5 of 8 (permalink) Old Dec 20th, 08, 10:23 AM
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Re: Another BB Frame Mount Question

Quote:
Originally Posted by Vegas69 View Post
You cool man?

Like how?...

I'm usually in the northeast part, unless I'm on a beer run.
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post #6 of 8 (permalink) Old Dec 20th, 08, 11:40 AM
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Re: Another BB Frame Mount Question

Grew up just South of Des Moines in Indianola.
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post #7 of 8 (permalink) Old Dec 20th, 08, 10:17 PM Thread Starter
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Re: Another BB Frame Mount Question

Thanks Wooderson. I had a sneaking feeling it could be done.
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post #8 of 8 (permalink) Old Dec 21st, 08, 08:30 AM
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Re: Another BB Frame Mount Question

There are two sets of frame mounts that will provide the correct offset to the passenger side. The original GM number is 3980941-3980942 respectively for the left and right sides. The number seen most today is 3950113-3950114 again for each side. Again these are the frame mounts.

You will have to have the correct heater core and heater box that have the tubes exiting in the center of the heater.

Just as there are different frame mounts there are also different engine mounts that must be used. I do not have the correct number on the engine mounts but I do have a set I bought years ago and did not use. I could most likely measure if necessary. I have used these frame/engine mount combination in a couple of different cars and the engine will be offset to the passenger side about 1 inch. The Hooker 2 1/8 super comp headers will fit with no beating and banging.
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