pvc valve hoses on 93 gmc K1500 (350) 4x4

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Jan 5, 2010 | 07:07 AM

demonseed304

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Joined: Oct 2009

Posts: 18

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From: wisconsin

Car: GMC 1500 P/U 4x4

Engine: 350

Transmission: 4L60E

Axle/Gears: 4:10

pvc valve hoses on 93 gmc K1500 (350) 4x4

I have two hoses coming out of either side of the engine on the valve covers. I was wondering if i neede the second one, i am puting a 4bbl 600cfm edelbrock carb im place of the tbi unit that is shot. can someone giv me some help?

Jan 5, 2010 | 07:26 AM

vetteoz

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Posts: 7,736

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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: pvc valve hoses on 93 gmc K1500 (350) 4x4

One is for air into engine for crankcase ventilation ( usually pass side ) the other is the exit through the PCV valve to the intake.
If running a carb you can just put a push in type breather on the inlet side

Jan 6, 2010 | 01:01 AM

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Re: pvc valve hoses on 93 gmc K1500 (350) 4x4

This website is strictly Third Generation F-Body (1982-1992 Chevrolet Camaro and Pontiac Firebird). There are many truck websites that will probably better help you with your inquiries for your truck:

http://www.performancetrucks.net/forums/
http://www.truckforums.com/forum/
http://www.chevroletforum.com/forum/

Thanks.