Don't know where this came from
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Junior Member
Joined: Aug 2013
Posts: 4
Likes: 0
From: Virginia
Car: 88 Formula, 85 Corvette, 90 GMC P/U
Engine: 305 TBI, 350 L98, 350 TBI
Transmission: 700R4, 4+3 man, 700R4
Axle/Gears: Stock
Don't know where this came from
Hey everyone, I pulled my engine in my 88 Firebird and took off the exhaust, went out to garage the next day and this was lying under my car on the passenger side next to the y pipe I had removed. I have no idea where it came from or what it is. 5.0 TBI with stock exhaust.
Any help would be appreciated.
Any help would be appreciated.
Joined: Sep 2005
Posts: 27,893
Likes: 2,436
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Don't know where this came from
From between the right exhaust manifold, and the head pipe.
Should also have been a flat gasket.
Should also have been a flat gasket.
Joined: Mar 2000
Posts: 5,703
Likes: 132
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Senior Member
iTrader: (1)
Joined: Dec 2012
Posts: 808
Likes: 5
From: Tucson, AZ
Car: 88 GTA Notchback
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: don't know
Re: Don't know where this came from
In the early thirdgens there was a vacuum operated valve. Its called an Early Fuel Evaporation (EFE) Valve.
Later models didn't need it, so they put that spacer in instead of extending the manifold. The more you know.
Later models didn't need it, so they put that spacer in instead of extending the manifold. The more you know.
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