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The Grant XL has the same chassis as the Cobra 2000gtl and 148gtl  and Madison. They are single final, dual conversion chassis


I believe the Washington board is the same as the 142gtl and is single final, single conversion chassis.


If you are going to adjust the Washington do not use the same VR's as the Grant xl . They are different.


You can find the info on the Washington 8719 PLL below


CB Mods