LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

94 Z28 heater hoses

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Old Feb 11, 2004 | 01:46 PM
  #1  
e94z28's Avatar
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From: Dunedin, Fl
94 Z28 heater hoses

I just replaced the heater inlet and outlet hoses on my 94 Z28. I didnt realize that the hose with the bleeder screw in it didnt have a connection for the small hose coming from the throttle body. Is there another way to hookup that line besides replacing the hose with the right connection? I ordered the hose from gmpartsdirect.com. It would be a real hassle to pull that hose out again. Thanks.
Old Feb 12, 2004 | 06:56 AM
  #2  
Mtrhds94Z's Avatar
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From: Point Pleasant, NJ... USA
You don't have a major problem there..
You have just done 1/2 of the 'conversion' to 95-7 configuration[which I feel is a better way]

Getting rid of that 'tee' in the heater hose is one step..

Now you need a 10261148 Radiator Inlet hose [remember for 95-7 NOT 93-4!]for the drivers side [upper]radiator to water pump[not the 'bypass hose'[lower radiator]
This gets rid of that 'tee' in the radiator hose..

Both 'tee's' described above are for the throttle body heater hoses in 93-4 hose configuration, which use those 'tee's' for the TB heater hoses...

95-7 uses the 'steam vent pipe' line from the rear of the heads for the TB heater hoses...

You will already have the 'steam vent pipe' to radiator hose in the proper place on a 94 which will actually be the same as a 95-7 TB bypass mod after it's done..

Buying and changing that radiator inlet hose is a lot easier than swapping that heater hose/pipe assembly..
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