Re: first av10 build

Graham Motzing /
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no that all looks perfect, i usually shoot for a little bit less than 50% bore and a 7 degree taper divergence but thats using a cnc lathe so i can actually interpolate the curve of the piston.

https://www.doscycles.com/products/moped-factory-av7-av10-47mm-cylinder-head?_pos=1&_sid=7da50dfc9&_ss=r

i actually had to quit making these because we couldn't find good aftermarket heads to machine, the decomp holes were too sloppy and kept breaking through to the bore, but you can see from the profile its real close to yours.

when i used to be able to get real french MBK heads these things were really really nice. I have been thinking about going back and redesigning it for 45mm because it would be that much farther from the decomp and might work, but i have a lot of other irons in the fire.

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Subject Written By Posted
  first av10 buildTopic by: Justin Caswell Justin Caswell 12/22/20 06:28PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/23/20 12:52PM
  Re: first av10 buildRe: Rebel Moby Rebel Moby 12/24/20 09:36PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/25/20 05:34PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 12/26/20 09:23PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/27/20 08:13AM
  Re: first av10 buildRe: Rebel Moby Rebel Moby 12/27/20 01:15PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/27/20 11:00PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 12/28/20 08:10AM
  Re: first av10 buildRe: rick ziereis rick ziereis 12/25/20 06:01PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/25/20 06:15PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/25/20 06:42PM
  Re: first av10 buildRe: Jean Pondemer Jean Pondemer 12/31/20 05:33AM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/01/21 04:53PM
  Re: first av10 buildRe: Jarod V. Jarod V. 12/25/20 08:30PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/25/20 11:51PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/28/20 06:11PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 12/29/20 09:47AM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/29/20 10:59AM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 12/29/20 12:00PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/29/20 12:09PM
  Re: first av10 buildRe: Rebel Moby Rebel Moby 12/29/20 02:24PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 12/29/20 06:57PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/04/21 10:43PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/04/21 10:57PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/03/21 06:14PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/03/21 09:45PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/03/21 10:36PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/04/21 06:53PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/04/21 08:57PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/04/21 09:24PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/07/21 05:16PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/10/21 06:24PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/11/21 03:02PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/11/21 05:45PM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/12/21 12:59AM
  Re: first av10 buildRe: Tweaker trash Tweaker trash 01/12/21 03:05AM
  Re: first av10 buildRe: Graham Motzing Graham Motzing 01/12/21 10:27AM
  Re: first av10 buildRe: EH FCC of the QCB EH FCC of the QCB 01/12/21 08:00AM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 01/13/21 02:27AM
  Re: first av10 buildRe: EH FCC of the QCB EH FCC of the QCB 01/13/21 08:18AM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/01/21 07:56PM
  Re: first av10 buildRe: Tweaker trash Tweaker trash 03/01/21 09:56PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/04/21 05:12PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/09/21 05:13PM
  Re: first av10 buildRe: P D P D 03/09/21 05:43PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/09/21 06:30PM
  Re: first av10 buildRe: P D P D 03/09/21 07:38PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/13/21 03:32PM
  Re: first av10 buildRe: Justin Caswell Justin Caswell 03/31/21 03:48PM

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