Quote:
Originally Posted by Plasar
Maybe stupid thought - don't you have the standard ZL1 boost gauge in the dash, and can't you compare that reading to your A pillar gauge?

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The one on the dash doesn't give you an accurate reading. The OPs gives you an exact number. Not a needle pointing at a line where you have to figure out is it at 8.... mo, it's at 11....no its at 9.