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Help With Speedo Housing

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Old Feb 22, 2009 | 12:34 AM
  #1  
Sooo_slow's Avatar
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Car: 82 Z28
Engine: 327
Transmission: TH350
Help With Speedo Housing

Car has a TH350, and the car needed a speedo cable, went to throw it on and ...


I've never seen a housing like this. Usually its a simple one sleeve screw on type.

And there isn't enough room to get the cable screwed on.

What do I need to replace?

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Picture should be rotated, but you get the idea, housing faces inner drivers-side tunnel.
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Old Feb 22, 2009 | 06:19 AM
  #2  
DeanJ's Avatar
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From: Mt.Holly, NC USA
Car: 1988 Camaro, 1986 S10, 2000 Harley
Engine: LS6
Transmission: T56
Axle/Gears: 3.75 9" ford trac loc
Re: Help With Speedo Housing

Hi, Thats a ratio adapter. Unscrew the big nut and the regular cable hookup will be there. Dean
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Old Feb 22, 2009 | 06:53 AM
  #3  
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Help With Speedo Housing

Originally Posted by DeanJ
Thats a ratio adapter. Unscrew the big nut and the regular cable hookup will be there.
However, if you eliminate the adapter, your speedo will probably read incorrectly. Apparently a former owner used the adapter instead of replacing the drive and/or driven gears.

JamesC
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Old Feb 22, 2009 | 07:59 AM
  #4  
Sooo_slow's Avatar
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Car: 82 Z28
Engine: 327
Transmission: TH350
Re: Help With Speedo Housing

Perfect, thanks for the info.

It may have the adapter, but there's no way you could actually get a cable onto it, so it's useless on my car I believe.

I'll just pull it off, throw the cable on and get some sort of baseline.

Thanks for the help guys.
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