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02-03-2010 02:43 AM  8 years agoPost 1
tintmaster

rrKey Veteran

Wichita, Ks. U.S.A.

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I have a 91SX-H motor that crapped out on me on maiden flight. I bought it used. It sounded good for about 3 minutes and just died. The rod looks fine.

My question is will the new piston with the relief holes in it and sleeve from the newest motor fit in my 91SX-H? I like the idea of the new piston design.

i have this in my Pantera. It has ball sweating power!!!! Can't wait to get the motor back together.

Just call me Farmer Brown. 'Cause I know how to really plant 'em

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02-03-2010 03:12 AM  8 years agoPost 2
jsenicka

rrProfessor

Eagle River, WI

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No. You cannot use the HZ piston in an SX.
If you munged the piston, likely liner is toast too?

Jim Senicka
Team Manager, GrandRC Flight Team

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02-03-2010 03:15 AM  8 years agoPost 3
tintmaster

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Wichita, Ks. U.S.A.

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91SX-H
Thanks for the fast response

Just call me Farmer Brown. 'Cause I know how to really plant 'em

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