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Author Topic: 73-87 chevrolet truck transmission tunnels differences??  (Read 3516 times)

Offline aussie

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73-87 chevrolet truck transmission tunnels differences??
« 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???
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Offline Blazin

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Re: 73-87 chevrolet truck transmission tunnels differences??
« Reply #1 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.
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Some people are like Slinkies. Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs

Offline Captkaos

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Re: 73-87 chevrolet truck transmission tunnels differences??
« Reply #2 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
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