69 camaro BBC engine mount brackets - Team Camaro Tech
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post #1 of 6 (permalink) Old Dec 18th, 08, 11:37 PM Thread Starter
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69 camaro BBC engine mount brackets

I converted my 69 camaro from a 6 cyl to a BBC 427 engine.
I purchase a set of engine frame mount bracket so that my engine can be moved 1 inch towards the passenger side also got a new BBC transmission crossmember. After doing all of the above my engine only move a 1/2 inch if that so the holes for my transmission won't match to the crossmember mounting holes. I been thinking can the brackes possibly be the wrong ones. I been thru the internet searching for information but it seems what I found sofar has not been very acurate. I found a page that yearone posted and it says that the driver side bracket for a BBC is 2.25 inches tall and the passenger side bracket is 1.5 inches tall and also information from pozziracing.com/camaro_engine.htm says the BB frame brackets driver side is 2.5 inches and passenger side is 2.0 inches tall.
so it seems like nobody knows for sure what these brackets should measure. If anyone can help me figure this out or tell me how to fix my problem because at this point I don't know what ealse to do.
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post #2 of 6 (permalink) Old Dec 19th, 08, 12:40 AM
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Re: 69 camaro BBC engine mount brackets

Did you swap out your engine mounts as well? Did everything line up engine mount wise easily?
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post #3 of 6 (permalink) Old Dec 19th, 08, 05:15 AM
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Re: 69 camaro BBC engine mount brackets

Did you kick the tailhousing over to where it's supposed to be??

Physically kick it over??


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post #4 of 6 (permalink) Old Dec 19th, 08, 05:45 AM
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Re: 69 camaro BBC engine mount brackets

When doing this type of stuff it's always best to leave everything loose until you get ALL your bolts started. Leave the bolts that go through the engine & frame mounts loose (the long ones), the transmission crossmember bolts (the ones that hold the crossmember to the frame) and be prepared to do some kicking, prybar persuasion, swearing, etc... It might even help to use your engine crane to take some of the weight off the frame by lifting the engine slightly until you get all the bolts started
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post #5 of 6 (permalink) Old Dec 19th, 08, 10:26 AM
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Talking Re: 69 camaro BBC engine mount brackets

Are you sure, that the crossmember is for a big block ? Did you physically measure it, before you tried to install it ? Many parts houses don't even know, that big blocks are offset, and may have sent you a crossmember that is for a small block.

Where are you trying to measure the 1" offset ? The offset is obtained by the taller driver's side mount, causing the engine to "roll over" towards the passenger side.

Here is a photo showing the offset. Thank You fellow Team Camaro enthusiast for the use of the photo.

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 #6 of 6 (permalink) Old Dec 19th, 08, 06:16 PM
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Smile Re: 69 camaro BBC engine mount brackets

Fwiw, a stick BB cross member's rect. hole will have (3) 90 degree corners and a 45!

You can spot one at 10 feet if you think about it!


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