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General Minitrail Talk
Tech Area
CT-70HK1 Ignition (again, I know. Sorry)
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<blockquote data-quote="ctbale" data-source="post: 175546" data-attributes="member: 2418"><p>yea, the zoomzoom kit has the flat top piston, will only give you 80psi when using a "short crank" motor. Then you will run into the same problems mk2davis did. then he said a domed piston hits the valves in the china head. I dont think this the zoomzoom kit has a E22 head. Not for $54</p><p></p><p>I have this kit coming but if I install it on my short rod motor, gunna have 80psi. Basically same as zoomzoom.</p><p></p><p><a href="https://www.ebay.com/itm/Cylinder-Head-Piston-Gaskets-For-Honda-ATC70-CRF70-CT70-TRX70-XR70-S65-70CC-US/362397995714?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649" target="_blank">https://www.ebay.com/itm/Cylinder-Head-Piston-Gaskets-For-Honda-ATC70-CRF70-CT70-TRX70-XR70-S65-70CC-US/362397995714?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649</a></p><p></p><p>The seller gave me $29 back to keep it. Seller knows it will be low compression, most likely has had many complaints.</p><p></p><p>Gunna use the kit, but gunna mill down the top of a domed piston so it wont hit the valves</p></blockquote><p></p>
[QUOTE="ctbale, post: 175546, member: 2418"] yea, the zoomzoom kit has the flat top piston, will only give you 80psi when using a "short crank" motor. Then you will run into the same problems mk2davis did. then he said a domed piston hits the valves in the china head. I dont think this the zoomzoom kit has a E22 head. Not for $54 I have this kit coming but if I install it on my short rod motor, gunna have 80psi. Basically same as zoomzoom. [URL='https://www.ebay.com/itm/Cylinder-Head-Piston-Gaskets-For-Honda-ATC70-CRF70-CT70-TRX70-XR70-S65-70CC-US/362397995714?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649']https://www.ebay.com/itm/Cylinder-Head-Piston-Gaskets-For-Honda-ATC70-CRF70-CT70-TRX70-XR70-S65-70CC-US/362397995714?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649[/URL] The seller gave me $29 back to keep it. Seller knows it will be low compression, most likely has had many complaints. Gunna use the kit, but gunna mill down the top of a domed piston so it wont hit the valves [/QUOTE]
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CT-70HK1 Ignition (again, I know. Sorry)
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