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Difference in the S1 & S2 cvh CRANK

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Old 15-03-2013 | 03:31 PM
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Default Difference in the S1 & S2 cvh CRANK

Can someone tell me EXACTLY what the difference is between a S1 & S2 cvh crank so i can identify which one is which.

Many thanks
Old 15-03-2013 | 04:11 PM
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S1 has a cog drive for the oil pump. S2 has 2 flats.

Have an s2 crank if you need
Old 15-03-2013 | 05:06 PM
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Thanks.
I will keep that in mind.

I need an S1 crank now as just heard mines bent so if anyone reading has one kicking about get in touch.
Old 15-03-2013 | 07:12 PM
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They look near identical at a glance but if you put them side by side, the S2 crank has a longer oil pump drive (both have the 2 flats).
Old 15-03-2013 | 07:23 PM
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Originally Posted by DazC
They look near identical at a glance but if you put them side by side, the S2 crank has a longer oil pump drive (both have the 2 flats).
Thanks Daz
Old 15-03-2013 | 08:19 PM
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are they interchangable with appropiate pumps?
Old 15-03-2013 | 08:25 PM
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Originally Posted by mgtkr1
are they interchangable with appropiate pumps?
Between blocks? Yes they are.

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Old 20-03-2013 | 10:16 PM
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You bent it!!???

Cheers Paul
Old 20-03-2013 | 10:59 PM
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Yes, a 30 thou curvature approx 0.75mm surprised me when I was told.
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