Thread: End of the month Hook up at AA Motorsports
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Old Sep 3, 2008 | 02:59 PM
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93egsohc
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Default Re: End of the month Hook up at AA Motorsports
Originally Posted by neogenesis2004
The only way possible for a miata valve to hit the piston is to have custom high lift cams. A stock cam even with os valves will not contact the piston EVER. Additionally, wiseco pistons have deeper reliefs than stock.

I know miata motors like I know the back of my hand.

A loose timing belt/incorrect timing/loose adjustable cam gear will also cause valve to hit the piston....