TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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need help fast i'm smoking

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Old Oct 25, 2002 | 05:08 PM
  #1  
c4boom's Avatar
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From: concord New Hampshire
Car: 87 iroc and 88 k2500 tbi truck
Engine: l98 and lo5
Transmission: 700 r4's babby
need help fast i'm smoking

What are all the holes on the passenger side valve cover and the drivers side. Took car for a ride punched it now I am missing what ever was in the hole in the passenger side valve cover closes to the firewall.
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Old Oct 25, 2002 | 05:45 PM
  #2  
Morley's Avatar
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That was a rubber elbow (if it is a TPI) that goes to a metal tube and up to the intake manifold to another elbow and tube that goes foreward to the throttle body. So, in summation, its a breather tube.
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Old Oct 25, 2002 | 05:52 PM
  #3  
c4boom's Avatar
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From: concord New Hampshire
Car: 87 iroc and 88 k2500 tbi truck
Engine: l98 and lo5
Transmission: 700 r4's babby
can oil puke out of there at about 4500 cuz thats as high is i brought it up/ what size is it ill go get a standard breather for it just to hold me over
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Old Oct 25, 2002 | 09:53 PM
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383 rocket bird's Avatar
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From: Columbus,Cleveland
When I got my car it just had a hose running from the throttle body and sitting in the valve cover. I capped off the area on the throttle body and installed a breather. Worked for me.
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