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B&M Megashifter problems

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Old 04-11-2009, 09:10 PM
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B&M Megashifter problems

I have a B&M megashifter in a 1984 camaro z28 with a small block 350 and 700r4 tranny, from park to reverse, nuetral, and drive, the shifter is fully functional, after that, when trying to rachet down to 3,2, and 1, the shifter makes the rachet motion but does not grab the gear to put it down unless i pull on one of the plates withing the shifting mechanism, nobody can figure this out, could someone help???

Last edited by Bernsdorfz28; 04-13-2009 at 08:01 PM.
Old 04-15-2009, 04:40 AM
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Car: 1985 z28 camaro
Engine: 305 lg4,edelbrock,3"air cleaner.k&n
Transmission: turbo 700r4 w/b&m megashifter
Axle/Gears: Stock.
Re: B&M Megashifter problems

Did you install it as per the instructions.It sounds like the cable is not adjusted right.Also the shift cable needs to be looped correctly over the top of the tranny,due to it's length.
I hope this helps.
Old 04-15-2009, 07:39 AM
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Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: B&M Megashifter problems

I'm with alicat on this one. I had a tricky time with my megashifter, but nothing that couldn't be solved with a bit of tweaking. You should be able to download the installation instructions from them, I had to when I swapped from the 700r4 to the th350.

If I remember correctly, you're supposed to adjust the cable with the shift in neutral (but make sure to have the car secure enough to not roll you over). I had a shop swear up and down they didnt touch my cable when they did some work on my transmission (gotta love when they lie straight to your face) and I almost crashed since I could not get the trans into gear from reverse.
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