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Bern 10-29-2012 18:10:17 66.218.203.131 Report to Moderator	Piston life would defintely be a concern since they are not oil cooled, not to mention the difference in compression ratio. I've seen factory stock 7610s crack pistons, not turned up, just worked hard all its life. Clutch is lighter on the 6610 (12" vs 13"), and the finals are as well (2 speed vs single speed PTO). On the older 7000s and 7600s, the transmission gears and bearings were different as well. If it was set to 85, I would agree, it would likely be fine, cooling aside. [Reply]   [No Email]
RodInNS 10-30-2012 06:03:08 68.171.231.82 Report to Moderator	Re: 6610 turbo in reply to Bern, 10-29-2012 18:10:17   I can't say for certain...but I think the rear ends and transmissions used the same components at least in the latter part of the 10 series. I know for certain that all had the same 13"clutch after 10/85 or some date around there. I know you're corect that the older series tractors did use heavier components on the 7xxxx tho. As far as cracked pistons.... I'd have to wonder if some of that isn't due to a bit too much ether... Rod [Reply]  [No Email]