1965 GTO 389 Tri-Power Close Ratio 4 Speed 3:90's

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1965 GTO 389 Tri-Power Close Ratio 4 Speed 3:90's

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01-14-2011, 11:37 PM

1969z280

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Re: 1965 GTO 389 Tri-Power Close Ratio 4 Speed 3:90's

It is my understanding that the only way to get a M21 Close Ratio in a 1965 GTO was to order the 3.90 gear. This follows given the way the dealer wrote the order with the 3.90 ratio and close ratio transmission on the same line with the same price. I don't think you could order that gear set with a wide ratio. However, many strange things happened at the plant back-in-the-day. Ed

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