'98 & '99 GT owners, when was your car built?

StangIt #1

Founding Member
Oct 25, 2001
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Washing the Car
I'm trying to determine the specific date that Ford ceased production of the '98's, and began building the '99's. I'm fairly certain that it was sometime in October '98, but haven't been able to pinpoint the day. Rumor is that Ford built some of the late '98's with P.I. heads, but nobody can seem to verify this. It seems likely that if they did install the P.I. heads on some of the '98's (which I seriously doubt), then it would be the late model run cars. If you know anything about the supposed stock P.I. heads on the '98's, or if your car was built in late '98 (as a '98 or a '99 model), please post your info.! Thanks.
 
My cars production date is listed as 11-25-98 (according to the local Ford dealers warranty paperwork) The sticker on the drivers side of the engine has a date of 10-29-98.

Ike

My VIN ends in 107XXX , from the research I have done, this implies my car was one of the frist few thousand 99 Mustangs made. VIN# started at 100,000 with the first 5,000 after that reserved for the 35th Anniversary limited edition (regardless of their build date) suggesting mine was somewhere between about # 2,000 - about #7,000 produced