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Coyote Series Engines
Mustang cams - piston to valve clearance
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<blockquote data-quote="twistedneck" data-source="post: 12689043" data-attributes="member: 130159"><p>I wonder how long these motors will go before the chain starts stretching and the phasers get closer and closer to max overlap, not to mention out of time a little. with the factory coyote chain tensioners that pump up under high rpm, that could cause the chain to stretch prematurely. too late for me I didn't get to replace the tensioners. maybe when this comes back out in a few years i'll put the tensioners in, new chains, and some of the super sweet MMR guides.. they are nice.</p><p></p><p><a href="http://www.modularmustangracing.com/TivCT%20LB%201.jpg" target="_blank">http://www.modularmustangracing.com/TivCT LB 1.jpg</a></p><p></p><p>but the key point with these cams is to not let the valve springs wear out because the cobra jet guys with the same cams upgraded the springs over the boss springs, for stability at 8200 RPM and to combat boost - not sure which or both. Livernois supplied them but i'm sure mmr has similar ones. does allowing full 50 degrees of vct help peak HP and torque? i'm not sure..</p></blockquote><p></p>
[QUOTE="twistedneck, post: 12689043, member: 130159"] I wonder how long these motors will go before the chain starts stretching and the phasers get closer and closer to max overlap, not to mention out of time a little. with the factory coyote chain tensioners that pump up under high rpm, that could cause the chain to stretch prematurely. too late for me I didn't get to replace the tensioners. maybe when this comes back out in a few years i'll put the tensioners in, new chains, and some of the super sweet MMR guides.. they are nice. [url]http://www.modularmustangracing.com/TivCT%20LB%201.jpg[/url] but the key point with these cams is to not let the valve springs wear out because the cobra jet guys with the same cams upgraded the springs over the boss springs, for stability at 8200 RPM and to combat boost - not sure which or both. Livernois supplied them but i'm sure mmr has similar ones. does allowing full 50 degrees of vct help peak HP and torque? i'm not sure.. [/QUOTE]
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Mustang cams - piston to valve clearance
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