Muncie M20 Reverse - Forums - Official C3 Vette Registry

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Muncie M20 Reverse (1/4)
10/4/18 8:17pm

NJAus
Former Member
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, - Australia

Vette(s):
Currently own a white 1969 427 Big Block Coupe C3 Corvette

Joined: 6/6/2018
Posts: 30

Hi All,

I was wondering with the M20 Transmissions, once the car is off should the transmission be able to go into reverse?

I can run through the forward gears and sometimes I can get reverse, other times not. Is this because reverse is a sliding gear and when parked if there is tension it and misalignment preventing a slide into reverse?

No real issues when the car is running but just curious.

Thanks,

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Re: Muncie M20 Reverse (2/4)
10/4/18 10:09pm

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19658

Depending on where the gear itself winds up "parking", reverse may slide right in...might not. Letting the car roll just a smidge will always allow rev to engage, tho.

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Joel Adams
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Re: Muncie M20 Reverse (3/4)
10/5/18 10:26am

73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 565

I can't remember for sure but doesn't the steering wheel lock engage when it's in reverse?

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1973 L-82 4 spd

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Re: Muncie M20 Reverse (4/4)
10/6/18 11:18pm

Norsky

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Twin Lakes, CO - USA

Vette(s):
SOLD - "The Toy" - 1970 Convertible
SOLD - "The Beast" - 1990 ZR-1 (#682)
"BLKBRRD" - 1978 Trans Am, 400ci/225hp, 4 spd, Black w/black interior, Hurst t-tops

Joined: 1/23/2002
Posts: 6842

Not sure about the '68 since the ignition was on the dash, but on '69 and up it would lock after you pulled the key out. Any you could only get the key out when the shifter was in reverse.

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Jim Olson

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