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Mr Blue · 05-28-2013

Marc installed 4.10's in my '91. It's stock other than the gear change.
The change in driveability is great, and the mileage was still over 21 mpg on the drive home. I have no experience with 3.73 or 3.91 so I can't offer a comparison. It is a great first mod. I just figured with the LT5 power band, I' go all in. No regrets. I doubt that I'll see 173 plus very often.

05-28-2013	#23
Mr Blue Join Date: Feb 2013 Location: Tallmadge OH Posts: 114	Re: Gear ratio choice Marc installed 4.10's in my '91. It's stock other than the gear change. The change in driveability is great, and the mileage was still over 21 mpg on the drive home. I have no experience with 3.73 or 3.91 so I can't offer a comparison. It is a great first mod. I just figured with the LT5 power band, I' go all in. No regrets. I doubt that I'll see 173 plus very often.