Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Cam Correct Variable Cam Timing
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Old 07-30-2009, 02:05 PM
sam-missle sam-missle is offline
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Originally Posted by ericnova72
If you mess with the cam timing, you mess with the ignition timing too, in relation to the position of the piston in the bore relative to TDC. They are connected by gear mesh at the rear of the cam. Move the first (cam), you moved the second (distributor shaft) too.
Valve timing is valve timing, ignition timing is ignition. the dist. is driven off the cam gear only. you rotate the dist. around the driven shaft to set the ign. timing relative to TDC. Has nothing to do with valve timing. if that were the case millions of vehicles would have messed up ignitions, as most engines have timing chain or belt tensioners on them.

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