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check valve in vacuum lines on 91 5.7

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Old Sep 4, 2011 | 04:42 PM
  #1  
resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
check valve in vacuum lines on 91 5.7

I'm putting my motor back together and I dont recall where this check valve goes and what lines it was connected to.

can anyone help with this?
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Old Sep 4, 2011 | 08:45 PM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: check valve in vacuum lines on 91 5.7

Assuming same purpose as the one used on Vettes it goes on the vac line from rear of plenum to the A/c and CC lines.
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