BR46 Posted November 3, 2018 Share #1 Posted November 3, 2018 Wo46 is going to have to hang on a little bit harder next race season. A new set of high compression, big bore pistons for the sidecar motor. Ya I'm a gearhead nerd. 2 1 Link to comment Share on other sites More sharing options...
JerrySTL ★ Posted November 3, 2018 Share #2 Posted November 3, 2018 Just looking at the photo, I figured with that dome and valve cutouts, that had to be high compression. It's it a hemispherical head? Sure looks close to it. Link to comment Share on other sites More sharing options...
Longjohn ★ Posted November 3, 2018 Share #3 Posted November 3, 2018 2 minutes ago, BR46 said: Wo46 is going to have to hang on a little bit harder next race season. A new set of high compression, big bore pistons for the sidecar motor. Ya I'm a gearhead nerd. Pardon my stupidity but does the sidecar actually have it’s own motor now or are you referring to the bike that you have the sidecar mounted on? I’m to lazy to look it up. 1 Link to comment Share on other sites More sharing options...
Ralphie ★ Posted November 3, 2018 Share #4 Posted November 3, 2018 I remember Wiseco pistons from kart racing. 1 Link to comment Share on other sites More sharing options...
BR46 Posted November 3, 2018 Author Share #5 Posted November 3, 2018 8 minutes ago, JerrySTL said: Just looking at the photo, I figured with that dome and valve cutouts, that had to be high compression. It's it a hemispherical head? Sure looks close to it. It's a Hemi Link to comment Share on other sites More sharing options...
Longjohn ★ Posted November 3, 2018 Share #6 Posted November 3, 2018 3 minutes ago, RalphWaldoMooseworth said: I remember Wiseco pistons from kart racing. Yep, bore the cylinder out some more and buy the next size pistons. The sky is the limit with Wiseco, that’s usually where the pieces end up when it blows. 1 2 Link to comment Share on other sites More sharing options...
team scooter Posted November 3, 2018 Share #7 Posted November 3, 2018 Reminds me of Mazda Skyactiv pistons. https://www.autoserviceprofessional.com/article/95724/mazda-skyactiv-technology-what-it-is-and-what-it-has-meant-to-engine-packages Link to comment Share on other sites More sharing options...
BR46 Posted November 3, 2018 Author Share #8 Posted November 3, 2018 7 minutes ago, Longjohn said: Yep, bore the cylinder out some more and buy the next size pistons. The sky is the limit with Wiseco, that’s usually where the pieces end up when it blows. I would have to resleve the cylinder to run the only Wiseco pistons available for the motor. 1 Link to comment Share on other sites More sharing options...
Razors Edge ★ Posted November 4, 2018 Share #9 Posted November 4, 2018 Just ONE??? Link to comment Share on other sites More sharing options...
BR46 Posted November 4, 2018 Author Share #10 Posted November 4, 2018 46 minutes ago, Razors Edge said: Just ONE??? The other one is still in the box. I have to drop them off at the shop that's boring the cylinder for me this week. Link to comment Share on other sites More sharing options...
jsharr ★ Posted November 4, 2018 Share #11 Posted November 4, 2018 17 minutes ago, BR46 said: The other one is still in the box. I have to drop them off at the shop that's boring the cylinder for me this week. Two pistons, one cylinder? KINKY! 1 Link to comment Share on other sites More sharing options...
Razors Edge ★ Posted November 4, 2018 Share #12 Posted November 4, 2018 24 minutes ago, jsharr said: Two pistons, one cylinder? KINKY! To him, though, two in one is "boring"! WTF goes on up there in the chilly North??? 1 Link to comment Share on other sites More sharing options...
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