X-heads vs J-heads: what's the difference??

65cuda360 said
Wait! which makes more power; X heads with worn out valve guides, or J heads with 1.88 valves????
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I would say the 'X-Heads'.

Less Valve Stem-to-Guide Friction............:cheers:

But, only if your above 4000 RPM's.

What Do You Say 'Snake'....