what the HeLL is this little piece of crap that is bolted in between the exhaust manifold and the Y pipe? is it really necessary, what does it do?? should i put it back on when i put my headers on??

 

EFE valve, stands for "early fuel evaporation". It closes when cold to force exhaust gases from the passenger side bank of cylinders through a passage below the intake plenum and out the other head. The idea is to keep fuel from pooling in the plenum when the engine is cool.

Rarely used when headers are installed. I don't, and wouldn't.

 

ok thanks! then i wont use it either

 

What you need to do is decide if you have a dowickey or a dowackey. Reason being is a dowackey is also known as a doobamatic which can be loosely tied to a dooboi. All of this will come into focus as the effects wear off.

"if you dont like ketchup then leave the chickens alone."

"Chocolate covered ants have antenna too."

Lightning strikes, his butt busted the windshield.

:nono: :nono: :nono: :nono: :nono:

 

that ain't nothin but a bunch of jibba jabba!!! Everybody knows that the dowicky and the dowacky is one of the same. Ya just weld the two together and you get pumice! Once you get pumice, you can change that to pooskwa by anilhilating the bananna that Socrates said would sufice!
Plato rules!

 

Can't argue with that!!!



The gizmo is also known as a "heat riser".
Earlier cars mainly used a thermostatic spring to control the choke. The spring was mounted to the intake manifold right above where the exhaust would flow from one head to the other.
This would heat the spring faster and the choke would come off sooner.

It also helps fuel pooling as five7kid mentioned.