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FireSale · 12-02-2014, 01:59 PM

A question that has come up in my PMs about this is that the Stock Car Classification Guide contains shipping weights and they don't match the weights you get if you use the formula contained in the GT weight rule.

My heaviest gas engine version of the 68 Mustang is the 428 convertible auto at 3369 lbs. If I use the factor times HP formula mentioned in the rule (8.87 X 335) I get 2971. If I use the Super Stock with replacement heads HP (8.87 X 383) I get 3397 lbs. Which of these should be used for the shipping weight?

Dale

12-02-2014, 01:59 PM	#4
FireSale VIP Member Join Date: Feb 2014 Location: Lakewood Washington Posts: 1,407 Likes: 29 Liked 237 Times in 126 Posts	Re: GT Classification Worksheet A question that has come up in my PMs about this is that the Stock Car Classification Guide contains shipping weights and they don't match the weights you get if you use the formula contained in the GT weight rule. My heaviest gas engine version of the 68 Mustang is the 428 convertible auto at 3369 lbs. If I use the factor times HP formula mentioned in the rule (8.87 X 335) I get 2971. If I use the Super Stock with replacement heads HP (8.87 X 383) I get 3397 lbs. Which of these should be used for the shipping weight? Dale