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ALMACK · 11-15-2013, 10:01 AM

GT/MA indexes are 11.75...1/4 and 7.53...1/8th.

I spotted another potential GT engine combo for my '87 Turbo Coupe.

11-15-2013, 10:01 AM	#3
ALMACK VIP Member Join Date: Jan 2009 Location: Bardstown, KY Posts: 1,942 Likes: 132 Liked 373 Times in 131 Posts	Re: GT classes GT/MA indexes are 11.75...1/4 and 7.53...1/8th. I spotted another potential GT engine combo for my '87 Turbo Coupe. __________________ Alan Mackin Stock 3777/ SS 3377 P/SA & SS/PA Fox Thunderbird I/PS '95 Mustang GT