How much did the 4:10's really help?
For thoses of you that upgraded to 4:10's in you manuals. How much of a gain was there? I don't care about gas milage because it is a weekend dry day care only. Any regrets? Has anyone track tested your 4:10's to see what gains you got?
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RE: How much did the 4:10's really help?
Once you install the 4.10s you'll wonder why they didn't come out the factory with them.
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RE: How much did the 4:10's really help?
I had reservations before I did 4.10's, but now I'd never go back to pig gears. It's a night/day difference.
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RE: How much did the 4:10's really help?
I do miss how long my 3rd gear was before, but it pulls so much harder now it's well worth it. I was waiting until I got my rims for my drag radials before hitting the track. Still waiting.
If you have any kind of vibrations at 75 or faster after getting the gears, try turning the rear of the driveshaft 180 degrees before doing anything else. Mine felt funny at 75-80 when cruising in 5th gear so I turned the driveshaft and it smoothed right out. it could also have been they tightened the driveshaft bolts too tight. 5 of them were really hard to turn and 1 was very easy. I guess they didn't read their ford service manual that says tighten in a star pattern to 41 ft lbs.:) |
RE: How much did the 4:10's really help?
Good reminder on the star pattern torque sequence. My stock D/S and pinion flange had yellow marks on them both to indicate proper indexing.
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RE: How much did the 4:10's really help?
don't know about 4.10s Ask me about 4.30s
[IMG]local://upfiles/58274/33988E3E329F42C5BC79354240E166C6.jpg[/IMG] |
RE: How much did the 4:10's really help?
ORIGINAL: ZZmustang don't know about 4.10s Ask me about 4.30s [IMG]local://upfiles/58274/33988E3E329F42C5BC79354240E166C6.jpg[/IMG] |
RE: How much did the 4:10's really help?
Tim My 18s are about 1 inch shorter than my stock 17s
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RE: How much did the 4:10's really help?
I didn't bust out the ratio calculator but I'm guessing for you around 4.56 maybe a little more. Yeow!!
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RE: How much did the 4:10's really help?
does it do a lot worse on gas? how many miles per gallon worse?
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RE: How much did the 4:10's really help?
With 4.10sI'm averaging about 23 mpg on the hwy. Not much worse at all.
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