McCoy 49 series 20

Post the general engine topics that here.

Moderators: Frank Klenk, SteveM

McCoy 49 series 20

Postby collie » Sat Sep 10, 2011 5:23 am

Recently i have brought 3* 49s20 crankcases and i carnt tell the difference between them and a black case 49.
so can anyone tell me the difference between the series 20, 49 and the black case 49?
!1 any difference in crankcase?
2 any difference in piston and rings?
3 any difference in Backplate and venture size?
4 ant difference in crankshaft?
5 any difference in front end?
6 any difference in timings?
only need provable data as i have lots here-say already thanks!
regards collie
collie
 
Posts: 85
Joined: Tue Jun 28, 2005 11:05 pm

Postby collie » Tue Sep 20, 2011 3:44 am

i felt sure there be an expert here !
collie
 
Posts: 85
Joined: Tue Jun 28, 2005 11:05 pm


Return to General Engine Tech Talk

Who is online

Users browsing this forum: MSN [Bot] and 1 guest

cron