ian I have one of your triumph piston conversion and I am having trouble getting it to start do you time it at 7/16" before TDC the same as a standard B31 piston and what is the CC that it is bored out to thank roger

email (option): roger.beck@node6.com

Hi Roger..Yes, time it at 7/16 BTDC (fully advanced)...Cylinder capacity with this piston is 399cc....Ian