LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Erson Cam ID

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Old 11-10-2008, 07:53 AM
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Erson Cam ID

trying to figure out what I have. On the end of the cam
r #290-340
r 3294-340
#5474
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Old 11-10-2008, 06:27 PM
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Might try contacting here....

http://pbmperformance.com/store.php?catId=327
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Old 11-11-2008, 08:22 AM
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just guessing that it is a custom grind using 290/294 advertised duration with .340 lobe lift (.510 valve lift with 1.5 rocker) on both.

Duration @ .050 could be anywhere from 220 to 240.

Probably have to call Erson and give them those #'s to know for sure.

Lloyd
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