Gears and MPG's

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04-16-2008, 06:35 AM

#21

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Quote:

Originally Posted by TOYOTA 1

i dont realy have a good idea on how there strengths compare technicaly.
but ive seen 5:71's break alot. my buddy runs 38's and hes broken a cupple sets. now hes back to the 4:10's cause we think there stronger. oh and cheaper hehe.

The lower the gearing, the more critical the setup. In the link that AxleIke posted, you can see the gears side by side. The 5.71 has a considerably stronger teeth, but since there are fewer, it is more critical to ensure prooer engagement.

Before condeming the gears, one has to look at the installer too!

I can tell you that properly installed 5.71's are considerably stronger than stock Birfields...