Differences between '83 and '85 RX-7

[lateapex911]

David, forget the CRB sniping...is the mod legal or not?

If you like the pickup point on an 81, and you have an old '81 available, with the pick up point part in good condition, is there any legal reason you couldn't simply move the part to your, say, '85 chassis? As long as they are on the same spec line, and you are not creating a combination assembly that couldn't be purchased, it seems like that might be the simple way to go.

[jake7140]

As long as they are on the same spec line, and you are not creating a combination assembly that couldn't be purchased ....
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????? You couldn't go to a Mazda dealer and order an '82 with 20mm lower mounts, nor could you have gone to a dealer and ordered an '85 with 20mm higher mounts.

[lateapex911]

????? You couldn't go to a Mazda dealer and order an '82 with 20mm lower mounts, nor could you have gone to a dealer and ordered an '85 with 20mm higher mounts.
[/b]

No, but you couln't go to the dealer in 81 and get an 85 carb either. Or vice versa. Nor can RX3 dealers sell you a 74 with a 77 transmission. But as they are all on the same spec line, as long as you aren't creating an assembly that never existed, (like swapping gear ratios) I don't see why you can't do this..
IF the chassis are the same, EXCEPT for the bracket difference.

If someone can point to the flaw in my logic, please do.