XCal 2 settings
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4th Gear Member
Joined: May 2005
Posts: 1,648
From: New York
XCal 2 settings
Is there anyway to adjust the spark ( -/+ ) on a car for optimal setting(s) WITHOUT a dyno/dyno tune? If not...then why buy a tuner? Why not just pay the money and have it dyno tuned? Thanks in advance
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