4.30's or 4.10
I'm tring to decide between the 4.30 gears and the 4.10 gears..could anyone help me out on this and tell my why you think one is better! :yes: :rolleyes:
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Re: 4.30's or 4.10
The choice doesn't work that way... Let us know how you want to use the car and we can then give our recomendations...
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Re: 4.30's or 4.10
If you do a search, there are quite a few threads on 4:10 vs 4:30 gear selection/use.
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Re: 4.30's or 4.10
are you a stick or an auto mach1?
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Re: 4.30's or 4.10
most of the stick guys i've heard that went w/ 4.10s wished they went w/ 4.30s
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Re: 4.30's or 4.10
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If you are going to keep the car NA(or a little spray) then go with the 4.30s. If boosting is in the future then 4.10s. |
Re: 4.30's or 4.10
Mach1 4R70W ratios as follows
2.84 1.55 1.00 0.70 (OD) Manual .62 ratio, 80mph, at X.XX:1 rear gear ratio 3.55 = 2304 rpm 3.73 = 2421 rpm 4.10 = 2661 rpm 4.30 = 2791 rpm 4.56 = 2960 rpm top speed w/ 3.55s, 5th gear @ 6798 rpm = 236 mph top speed w/ 3.73s, 5th gear @ 6780 rpm = 224 mph top speed w/ 4.10s, 5th gear @ 6787 rpm = 204 mph top speed w/ 4.30s, 5th gear @ 6769 rpm = 194 mph top speed w/ 4.56s, 5th gear @ 6771 rpm = 183 mph Auto .70 ratio, 80mph, at X.XX:1 rear gear ratio 3.55 = 2602 rpm 3.73 = 2733 rpm 4.10 = 3005 rpm 4.30 = 3151 rpm 4.56 = 3342 rpm top speed w/ 3.55, @ 5789 rpm = 178 mph top speed w/ 3.73, @ 5775 rpm = 169 mph top speed w/ 4.10, @ 5784 rpm = 154 mph top speed w/ 4.30, @ 5791 rpm = 147 mph top speed w/ 4.56, @ 5765 rpm = 138 mph |
Re: 4.30's or 4.10
Thanks for the transmission ratio's Orange Whip! I've been looking all over the Registry for a thread containing that info.
EDIT: Just noticed you didn't list all the ratios for a 3650. Could you post those ratios for 1-4th gear in a 3650 if you have it? Thanks! :yeh: |
Re: 4.30's or 4.10
Here you go
Gear Type 5 Speed Manual 3650 trans Final Drive 3.55:1 1st Gear Ratio 3.38:1 2nd Gear Ratio 2.00:1 3rd Gear Ratio 1.32:1 4th Gear Ratio 1.00:1 5th Gear Ratio 0.62:1 |
Re: 4.30's or 4.10
great info man this ones getting stickied.
Good job |
Re: 4.30's or 4.10
all im gonna do to the mach is --- loudmouth 1, K&N intake, and a power programer! Now give me what gears you think i should go with!!?!?
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Re: 4.30's or 4.10
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Re: 4.30's or 4.10
If I were going to seriously drag race my Mach, and still wanted 4.10's for street use....I would get 4.30's and some street wheels and tires about 5% more diameter than stock effectively giving me 4.10's for street use (4.30's 5% lower than 4.10's), and then correct speedo for 4.10's. Then use stock diameter race tires giving me 4.30's at the strip.
But with our .62 5th, if you like to drag race, 4.30's are not a problem for street use like in the past when OD gears were more in the .67 (T 45) and .68 (3550 and T 5). |
Re: 4.30's or 4.10
I have to give 2 thumbs up to the 4.10 gears. I just had them installed last week and what a difference. :gears: To me, my Mach feels lighter and undoubtedly quicker. My biggest concern was the gas mileage, but this is not a problem @ all. I drive 100 miles a day and can usually get 285 miles out of a tank. I’ve been getting 275 since this install, but I've also been much heavier on the pedal. :10: IMHO the 4.10 are the best balance for a street car.
Tom |
Re: 4.30's or 4.10
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Re: 4.30's or 4.10
This question has big a really big hurdle I haven't quite jumped yet. My buddy around town has 4.30's and loves them at the track, but come to highway draggin I always hear him talkin about.....
"waiting for someone to slow down so he could get into 3rd gear" I don't wanna have to wait for someone to slow down so I can get in a good gear to rape someone. I wanna be able to punch it and go. You think 4.10's then?? |
Re: 4.30's or 4.10
I had both in my mach, and 4.30s are my preference. There is 100rpm difference in cruise RPM, big deal. As for the highway deal, its more of the same.... there would only be a couple hundred rpm max difference in third gear, so I dont see the argument.
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Re: 4.30's or 4.10
4.30's all the way...
... maybe even 4.56's if you're serious about drag-racing. :smokin: |
Re: 4.30's or 4.10
My car only picked up a few hundredths with 4.10's. I'd go 4.30's or 4.56's if I were doing it again.
Lee |
Re: 4.30's or 4.10
so what are the rpms like for city driving (35-50) with the 4.10's? 4.30's?
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Re: 4.30's or 4.10
You can use 4th and 5th around town without lugging the motor when you have 4.30s, so cruise rpm is still very low.
Also, you're unlikely to see any change at all in your in-town gas mileage with the gear swap. I didn't. |
Re: 4.30's or 4.10
Where the cheapest place to but 4.30's. Buying it soon need the info
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Re: 4.30's or 4.10
The cheapest I've seen lately. Mustang Tuning
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Re: 4.30's or 4.10
4.10s and 4.30s suck for roll racing(unless its 1st gear 10mph stuff), if that's all you're interested in then keep the 3.55s.
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Re: 4.30's or 4.10
Where to buy the cheapest FR 4.30's? thanks
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