TH350 loss of gears

81Malibuwagon

Amateur Racer
Dec 5, 2009
102
0
0
Lloydminster Alberta Canada
hey guys, i need some help. i just got my motor and everything done. new cam and lifters in my 305. also new carb and fuel pump. after a few days of driving my transmission started to shift wrong. even loosing some gears. it would shift from first to drive. then shift fine. but now it shifts from first to nutral and wont shift back into first unless manually shifted to first. all my other gears are gone except 1st and reverse. any ideas what has happeened? please help
 

DFWMalibu

Dragway Regular
Dec 15, 2006
999
0
0
Dallas,Tx
I had a second gear dissapear on a th350 it has a manual valve body but if you shift to second it stays in first and then when you shift 3rd it skips straight to 3rd and its the same when I downshift I haven't tore it down to check the issue yet... sounds like the same problem your having..

Chris K.
 

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