Question for 4.10 auto trans owners
03-04-2012, 07:46 PM
#11
2nd Gear Member
Join Date: Mar 2006
Location: Maryland
Posts: 154
Agreed that any gear interaction will cause some degree of wear, but for the factory gears to be "incredibly worn" sounds highly suspicious unless the diff was either run with low fluid, or if the gears were removed in the past and re-installed incorrectly. This statement assumes that he doesn't have 200k miles on his GT.
The factory set-up will run 200K miles without problems if fluid is maintained.
OP,
Unless you plan to go for some boost later, I would get the 4.10 ratio and not look back. Your estimate of rpm at 65mph is about right. The only chances that you will dislike the 4.10 ratio is if you do a lot of highway driving (75mph+) or if they move your cruising rpm into a band where your exhaust drones.
You will LOVE the gears!
The factory set-up will run 200K miles without problems if fluid is maintained.
OP,
Unless you plan to go for some boost later, I would get the 4.10 ratio and not look back. Your estimate of rpm at 65mph is about right. The only chances that you will dislike the 4.10 ratio is if you do a lot of highway driving (75mph+) or if they move your cruising rpm into a band where your exhaust drones.
You will LOVE the gears!
03-05-2012, 12:31 AM
#12
2nd Gear Member
Thread Starter
Join Date: Nov 2010
Location: Missouri
Posts: 439
03-05-2012, 01:35 PM
#13
2nd Gear Member
Join Date: Jun 2008
Location: ohio
Posts: 350
no sarcasm at all though my quote of 2700 may be a little high,though i dont think it is. been a little while since its seen a highway though. either way im still glad i went with 4.10s
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