the heads come stock with 50 degree seats. this contact angle gives increase air-flow at high lifts. on pro-stock engine you will see 50-55 seat angles on intake and 55-60 on exhaust. we use 55 degree seats on our scottsman series head for the past 3 years with no issues. thanks charlie
the heads come stock with 50 degree seats. this contact angle gives increase air-flow at high lifts. on pro-stock engine you will see 50-55 seat angles on intake and 55-60 on exhaust. we use 55 degree seats on our scottsman series head for the past 3 years with no issues. thanks charlie
ShortBlockCharlie 2 years ago
Very cool. Why 50 degrees?
gliderp 2 years ago