Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - T-400 shifting too quick
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Old 12-11-2012, 08:28 PM
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Some Modulators are adjustable, small screw inside tube where Hose connects. It will give a small 3-5mph range.
For more adjustment you'll need a Governor Recalibration Kit.
B&M Governor Recalibration Kits 20248 - SummitRacing.com
Modulator needs Full Manifold Vac, not Ported/Timed Vac source.
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