Has any one see this before a 3.47 Final drive?

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04-22-2006, 02:28 PM

Dyagciog

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Has any one see this before a 3.47 Final drive?

Has any one see this before a 3.47 Final drive? Does any one no what it came out of?This is a ad for a B-series powered Mini!

"Final Drive Gear Set

We now offer a Gear Set for a Y21 Transmission. This Final Drive Gear Set will result in a more desirable RPM

at highway speeds and also increase gas mileage considerably for your converted Mini. The Gear Ratio of

MiniTec's Final Drive is 3.47 Verses Stock 4.40. "

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04-22-2006, 04:20 PM

TrueZen

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Re: Has any one see this before a 3.47 Final drive? (Dyagciog)

For a B-powered Mini it makes sense.

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04-22-2006, 05:11 PM

Dyagciog

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Re: Has any one see this before a 3.47 Final drive? (TrueZen)

Yes it would,but is what car came with that ratio? I'm building a turbo B powered mini.

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04-22-2006, 06:00 PM

JohnnieChimpo

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Re: Has any one see this before a 3.47 Final drive? (Dyagciog)

That looks like a misprint.

A Y21 is is a B16A/CTR/USDM ITR trans, with a 0.848 5th gear and 4.40 axle ratio, 3.7312 final.
If you swap a 5th from a GSR (0.787) with the same 4.40 axle your final drive will be 3.4628.

Sage Racing sells a 4.09 axle ratio gearset that will give you a 3.468 final drive w/ 0.848 5th. <--that looks like what they meant.