Big Block Frame Mounts - Team Camaro Tech
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post #1 of 7 (permalink) Old Jan 27th, 00, 04:39 PM Thread Starter
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I just finished parting out what I am pretty sure was a big block 68. Please no hate mail, the car was bounced off a couple of telephone poles before I picked it up. The question I have is about the frame mounts, the passenger side is about 1/2 inch shorter than the driver side, does this sound right. I am just wondering, if they are I will probably put them on the shelf for later use in my other 68.

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Steve R.
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post #2 of 7 (permalink) Old Jan 27th, 00, 04:55 PM
kel
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Steve, yes the driver's side mount is about 1/2" taller than the pass side. Hope this helps.

[This message has been edited by kel (edited 01-27-2000).]
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post #3 of 7 (permalink) Old Jan 27th, 00, 05:43 PM
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that's odd - I had to install my BB in a 68 from scratch and had to use OEM mounts in a RH and LH that were exactly the same height. what gives with the two different heights? my engine is level.

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post #4 of 7 (permalink) Old Jan 27th, 00, 05:59 PM
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The current part #'s that are still available from Chevy are #03980941 and #03980942 and yes the left side is taller.
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post #5 of 7 (permalink) Old Jan 27th, 00, 06:43 PM Thread Starter
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I did some cleaning of the mounts and found some numbers on the top of the mount, where I did not expect to find them. They are 3912598(P) and 3912597(D), I saw that Year One had different listings for 68's and 69's. To change the subject slightly, I saw that Classic Motorbooks had a book on Camaro Part #'s called Catalog of Camaro ID Numbers 1967-93. Has anyone ever heard of it, is the a better book? Any suggestions would be appreciated.

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post #6 of 7 (permalink) Old Jan 28th, 00, 05:33 AM
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Steve R, Yes the frame mounts are supposed to be taller on the drivers side than on the passenger side. I've heard this was to clear the steering box.
There is a difference in mounts, both frame and engine, for the 67/68 & the 69. I don't exactly remember why, but if I find it I'll re-post. You can't interchange engine & frame mounts between the 67/68 & the 69. On a 67/68 you can use 69 frame mounts, but then you must use 69 engine mounts and vice-versa.
As stated earlier, they are available from the chevy dealers. When I bought mine they were around $36.00 ea.
Pink68, I'd look closely at your mounts and verify the heights. If they are indeed the same height, that would be cause for concern.

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67 Camaro LS6 454/TH400/12bolt 3.73
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post #7 of 7 (permalink) Old Jan 28th, 00, 09:50 AM
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i will check - i confess i didnt line them up on a bench to check height as they were clearly marked R and L with the original GM parts sticker. I will just take your word for it!!! As i said, the engine is level, if it wasnt with the HP and torque I am sure I would have felt it with the butt-o-meter vibration detector...
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