timing on 45 cmb 02 hydro

[warlokboats]

i need to know what are good timing numbers for this motor. it will be going in a hydro.

thanks to all

jon

 

[Chris Attebery]

Jon,

For most motors (21-90):

215 degrees duration for the drum, closing at 65 ATDC.

128 degrees duration for the intakes

180-190 degrees duration for the exhaust (180 for 21s, 190 for 90s)

Should produce a nice drivable motor with a decent top end.

Chris