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Thread: WTB 90's 2.5 block and crank XR
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06-05-2022, 11:44 AM #1Member
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WTB 90's 2.5 block and crank XR
Rod took out block and crank, bad. Mainly need block. Front half is ok
502-500-0371 Louisville,Ky
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06-07-2022, 06:19 PM #2
they say not the mix match front and back but you might be ok??
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06-07-2022, 07:16 PM #3
"they say"
Yes, they say that but people do (very reputable engine builders) all the time with no issues. Spin 7k to 8k and up on mismatched halves...its user/builder preference. I have spun them up to 7000 personally with no issues. Just really have to make sure the wear from the crank sealing rings won't cause binding on the crank.
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Aaronhl liked this post
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06-10-2022, 06:23 AM #45000 RPM
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I have a 93, 150 XR6 powerhead that I picked up in a pile of parts I bought. Its still together (block, crank, pistons), has one burnt piston and spins freely. No electrics and someone broke the starter mount off the front half so it needs a new one if interested?
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