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#1
07-25-2004, 09:32 PM
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M-21 Stange Problem
My car has an M-21 that came out of a '67 Vette. This problem just started after having the motor rebuilt. If I'm driving at city speeds it's quiet and shifts normally. If I hit the gas and open the secondaries, it locks up in that gear (ie it won't shift from first to second, or second to third). I have to come to a stop, bang it into neutral or third, then muscle it out of gear before it will work again.
Any ideas? Thanks, Andy
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 COPO 9561/9737 M40 X11D80 13.37 @ 105.50 on pump gas,drove it to NATL TRAILS and back [email protected] SCR22 
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