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General Site Info => General Discussion => Topic started by: aussie on June 15, 2009, 09:20:15 am

Title: 73-87 chevrolet truck transmission tunnels differences??
Post by: aussie on June 15, 2009, 09:20:15 am

you guys know what the differance is between small and large hump tunnels is it a 2wd 4wd thing???

Title: Re: 73-87 chevrolet truck transmission tunnels differences??
Post by: Blazin on June 15, 2009, 11:06:22 am

Automatic, and three speeds had low humps. SM456 2 wheel drives had tall humps. All 4 wheel drives had tall humps.

Title: Re: 73-87 chevrolet truck transmission tunnels differences??
Post by: Captkaos on June 15, 2009, 11:45:50 am

There is a whole tech page devoted to this with pics:
http://forum.73-87chevytrucks.com/smforum/index.php?topic=11838.0