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ron mattson · 08-18-2009, 01:53 PM

i just switched from a 8.5 ten bolt to a 12 bolt and with similar
components and same gear ratio i think the
10 bolt was .03-.05 quicker, both are set up the same way.

08-18-2009, 01:53 PM	#6
ron mattson Member Join Date: Nov 2005 Location: cloquet mn Posts: 466 Likes: 17 Liked 67 Times in 30 Posts	Re: Rear differential efficiency i just switched from a 8.5 ten bolt to a 12 bolt and with similar components and same gear ratio i think the 10 bolt was .03-.05 quicker, both are set up the same way.