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Posted

hey guys im new on here building me another banshee its 4mill stroker and 68mm bore and a drag port I bought these cylinders off ebay and it came with pistons and the reeds are v forces for a cr 125 and heres my question I called vitos about a cool head and he wanted to know what the degree on the pistons were I told him they were mad by pro x and they were flat tops and he said that it would still have a degree on it he said I had to know before i could order the right one he said the squish would be wrong and it would not run right can any body explain or help me out and Im wanting the most compression on pump gas and and i also bought a pair of tmx 36mm carbs are they to big? thanks guys

Posted

What he is asking is are they banshee style pistons or blaster style.The tops of the pistons are curved different.Blaster pistons are flatter than banshee pistons.If you need more help I can post a pic of the two types so you can see te difference.

Posted

hey they were blaster style pistons I just ordered 2 new prolite pistons and the domes for them they are haveing to step cut the dome .100th for clearnce I was told that I cant run a spacer plate under it because of the port timming there stock cylinders with big bore sleeves and has been ported alot they even have the boost ports added in them also where the reed go in are cut out for the vforce cr 125 reedsthey are bigger than the banshee reeds i bought the cylinders and pistons and vforces off ebay as a set now It will only run on race gas i got the pistons and domes from wicked atv what would be a good degree timmingto set it at ? he said probley 180 psi about how much compression would that be ? thanks matt

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