SCW cylinder on a CW lower

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Jrs4jesus
Posts: 5
Joined: Tue Oct 29, 2019 5:22 am
Location: Oklahoma City

SCW cylinder on a CW lower

Post by Jrs4jesus »

I have a SCW cylinder bored 80 over and a SCW head and I'm thinking of getting it reclined. Will it work on a CW lower and will it work with either a SCW or a CW piston and if SCW piston does it have to have a reed valve
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Bullfrog
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Joined: Mon Jul 22, 2013 4:05 pm
Location: Oregon, 12 miles from the center of the Hodaka Universe(Athena)

Re: SCW cylinder on a CW lower

Post by Bullfrog »

SC cylinder embodies reed-porting and MUST use a reed valve and a "hole-y" piston.

CW cylinder is piston-port induction, so no reed valve and no holes in the middle-to-lower part of the piston skirt (there is a small window just below the ring which matches with the "Victory Port"). You can't use the SC piston (with multiple holes) in a piston-port cylinder.

Ed
Keep the rubber side down!
Jrs4jesus
Posts: 5
Joined: Tue Oct 29, 2019 5:22 am
Location: Oklahoma City

Re: SCW cylinder on a CW lower

Post by Jrs4jesus »

Thank you Ed that is very helpful. I think I'm going to keep looking for a CW cylinder and piston to keep it original. Have a blessed and safe 4th.
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