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Originally Posted by h2odiesel
Ok Doc I'll bite. I've never tried anything past 28 degrees and have always used stock cam timing. What benifits have you found with the an advanced cam and start of injection? I'd be interested in playing around with different cam profiles but there is not much available. I'd think about having one custom ground to go with the increased boost and tuned pump I'm working on.
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The advanced camshaft and injektor timing does increase the audible sound of combustion slightly (sounds more harsh) but yields great acceleration off-boost.
I think 28° to 30° on the start of delivery is about the point of diminishing returns and 4° (crankshaft) on the cam timing is about the limiting point also.
The later '05' camshaft is a nice upgrade in the earlier engines...Bert