speedmaster 2.02 valve heads on a 318
Have you seen the bores on a 273? Grinding a little crescent area bevel in the top of the bore to help with this issue is common. I've done it on this 440 though it may be hard to see... It does help. Just make sure you stay out of the ring travel.
Have you seen the bores on a 273? Grinding a little crescent area bevel in the top of the bore to help with this issue is common. I've done it on this 440 though it may be hard to see... It does help. Just make sure you stay out of the ring travel.