TB hoses
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Car: Today? 98 GMC Sonoma
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TB hoses
Where do the hose that go on these 2 fitting go? I think thetop one goes to the valve cover? But can't find a pic of the lower one.
Joined: Apr 2005
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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: TB hoses
Top is the PCV system supply to the rocker cover.
Lower is the vac port for the line coming from the charcoal canister purge valve
Lower is the vac port for the line coming from the charcoal canister purge valve
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Joined: Sep 2007
Posts: 128
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Car: Today? 98 GMC Sonoma
Engine: Seriously? The Sonoma has a TPI 305
Transmission: T56
Axle/Gears: 7.625/4.10
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: TB hoses
If you install a vented breather cap in your passenger side valve cover you can plug the upper fitting.dont forget to plug the bottom little ported vacuum signal since you are not using a egr valve.
Thread Starter
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iTrader: (2)
Joined: Sep 2007
Posts: 128
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Car: Today? 98 GMC Sonoma
Engine: Seriously? The Sonoma has a TPI 305
Transmission: T56
Axle/Gears: 7.625/4.10
Re: TB hoses
I seen the little one too, but forgot to ask about it. Thanks!
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