Gear Opinion
02-07-2009, 06:16 PM
#12
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Have you tried increasing your rev limiters between shifts? If not, try stretching your stock gears out a little more first before investing a good amount on a gear change.
If you want a cheap test as to what it will feel like, try bolting on a smaller set of tires from the junkyard. They don't have to be sticky drag radials or balanced even, this is just a test. I know it will look funny but take it down the road a few times to see if a gear change is worth it. You'd want to bolt on a set of tires about 24-25" in diameter. Ideally, you should have 4.30's for your setup but it depends on if your motor will run out of breath or not above 6000.
If you want a cheap test as to what it will feel like, try bolting on a smaller set of tires from the junkyard. They don't have to be sticky drag radials or balanced even, this is just a test. I know it will look funny but take it down the road a few times to see if a gear change is worth it. You'd want to bolt on a set of tires about 24-25" in diameter. Ideally, you should have 4.30's for your setup but it depends on if your motor will run out of breath or not above 6000.
02-07-2009, 06:38 PM
#13
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Have you tried increasing your rev limiters between shifts? If not, try stretching your stock gears out a little more first before investing a good amount on a gear change.
If you want a cheap test as to what it will feel like, try bolting on a smaller set of tires from the junkyard. They don't have to be sticky drag radials or balanced even, this is just a test. I know it will look funny but take it down the road a few times to see if a gear change is worth it. You'd want to bolt on a set of tires about 24-25" in diameter. Ideally, you should have 4.30's for your setup but it depends on if your motor will run out of breath or not above 6000.
If you want a cheap test as to what it will feel like, try bolting on a smaller set of tires from the junkyard. They don't have to be sticky drag radials or balanced even, this is just a test. I know it will look funny but take it down the road a few times to see if a gear change is worth it. You'd want to bolt on a set of tires about 24-25" in diameter. Ideally, you should have 4.30's for your setup but it depends on if your motor will run out of breath or not above 6000.
02-07-2009, 06:42 PM
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02-07-2009, 07:25 PM
#15
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I think you'd benefit from a power adder for the $800-1000 dollar cost in a gear change over switching to 4.56's. Have your cake and eat it too, horsepower in a bottle AND good daily driver manners.
02-07-2009, 07:52 PM
#17
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$200.00 for the gears
$75.00 for the installation kit
$9.00 x 6-8 quarts of 75w-90 gear oil (after a 500 mile break-in you change the lube)
$3.50 x 1 gasket for the second lube change
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= $330-350 minimum if you're doing it yourself. +case of beer if your "qualified" buddy helps you.
Chances are you don't have a press so add labor, +$400? $500? I've never had a professional shop charge less than $400. Rear gear changes are between $800-1000 depending on the axle. Most of mine are full floaters which are considerably easier than semi or c-clip. Usually I get $1600 dollar bills for a front and rear gear change and that drive line shop has known my family since it opened in 1974 or 1975, I can't remember.
$75.00 for the installation kit
$9.00 x 6-8 quarts of 75w-90 gear oil (after a 500 mile break-in you change the lube)
$3.50 x 1 gasket for the second lube change
__________________
= $330-350 minimum if you're doing it yourself. +case of beer if your "qualified" buddy helps you.
Chances are you don't have a press so add labor, +$400? $500? I've never had a professional shop charge less than $400. Rear gear changes are between $800-1000 depending on the axle. Most of mine are full floaters which are considerably easier than semi or c-clip. Usually I get $1600 dollar bills for a front and rear gear change and that drive line shop has known my family since it opened in 1974 or 1975, I can't remember.
02-07-2009, 09:40 PM
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I put in my 3.90's and they have done great so another gear change is nothing. I don't use it as a DD and if I did I work 14 miles from home. As it is now it gets about 16mpg. I'm sure that would decrease drasticly if I went to 4.56 but what is ya'll opinoin of E/T gains from this swap?