Is it the same and will the wing holes be correct? I tried a search but didn't get a definite answer. Thanks for the help.

A formula rear decklid will not fit on a 86-88 gt.

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88 Coupe: 2.0L Turbo 4 Cylinder, W2A, T25 Turbo.
84 Indy #64: Restoration Project, Super Duty 4 swap

In addition for future searches...

An 84 deck lid will work with any 85-88 Duke powered notchback, but will have an interference issue with a V6 powered notchback due to the center vent design.


85-88 notchback deck lids will work on any year notchback, 84 included. You should probably not use solid 84 vent covers with the non-84 decklid.

Notchback and fastback deck lids will not interchange... unless you do something like this:
Reality's Notched Fastback

[This message has been edited by carbon (edited 07-08-2013).]

Yeah, the difference of fastback vs notchback causes the Formula (notchback) not to fit on the 87 GT (fastback).

Thanks for the help guys, that woulda sucked.

Wings made for coupe deck lids don't fit on GT deck lids.

quote Originally posted by Old Lar: Wings made for coupe deck lids don't fit on GT deck lids.

Isn't it just a matter of relocating one of the wing stand studs to the other hole?

[This message has been edited by olejoedad (edited 07-08-2013).]

quote Originally posted by olejoedad: Isn't it just a matter of relocating one of the wing stand studs to the other hole?

That is what I thought too

Only when you get a wing with two sets of mounting holes in the wing stands. The wing I replaced my GT wing, came from a coupe and no second set of mount holes.

quote Originally posted by Old Lar: Only when you get a wing with two sets of mounting holes in the wing stands. The wing I replaced my GT wing, came from a coupe and no second set of mount holes.

Maybe it came from before there were fastback style GTs (85 or older?)