[The Boss]

Originally Posted by Diego

Perhaps I should clarify.

In 1967-68, Ram Air GTOs came standard with 4.33s with no higher gear from the factory.

But equivalent Firebird 400s came standard with 3.90s.

Why the difference?

Do you have documentation that "no higher gear" was available? On what are you basing this statement?

It's my understand that although the 4:33 & 3:90 were standard you could order a higher (numerically lower such as 3:55) gear.

[Diego]

Originally Posted by The Boss

Do you have documentation that "no higher gear" was available? On what are you basing this statement?

It's something that I noticed years ago.

http://www.oldcarbrochures.com/stati...rebird-12.html

http://www.oldcarbrochures.com/stati...ige-54-55.html