Sorry, I just used the info provided in the first post, not having any more info than what had previously been posted and seeing the GTI at the front of the ITB pack on many occasions.

If the A1, A2, and A3 are as you say they are, then that only makes them more similar to the previously mentioned CRX and Civic.

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Richard Floyd
'86 Acura Integra LS #90
SCCA ITA / NASA ECHC H5