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<p>[QUOTE=&quot;OLDSKOOLERnWV, post: 11871084, member: 76004&quot;]If memory serves me, that piston coating doesn’t expand with heat like metal does?</p><p><br /></p><p>Yea I’ve seen guys put big fuel pressure to the injectors, sadly that adds pressure to the cam lobes too. </p><p><br /></p><p>Years ago we changed fuel with vise grips and dimes which ever was handy lol.</p><p><br /></p><p>Now days we can have a nice set of injectors built, along with a good pump to match then. And not worry about cam lobe failure created by the extra pressure of the high fuel setting on the pump. Pressure added the the fuel, adds pressure to the cam lobes too. 30 years ago we would build a stinger and put in the pump to gain speed, gotta watch that though, you can eat a turbo lol…[/QUOTE]</p><p><br /></p>

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