soon I'm replacing my LG4 with a 355 , the donor car that had the 355 doesn't have the charcoal canister anymore, should I keep mine or also throw it away ?

I would like to get rid of it , but if it's somewhat important then I'll leave it alone

 

trash it, put your new vacume canaster there if you need one. Thats what I did.

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Cant think of anything

 

Doesn't cost any power but does keep the gas tank vented to the engine as opposed to a vented gas cap that vents to the atmosphere.

If the hose is plugged you'll get a serious pressure build up in the gas tank that will show itself when you remove the gas cap. Been there; done that.

Could cause tank to begin leaking.

Jake

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1986 Corvette Coupe, 415 CID, Edelbrock 6073s, ZZ9

[This message has been edited by JakeJr (edited April 04, 2001).]

 

Wait, hold on a sec. That pressure release from the gas cap is perfectly normal .... on TPI cars anyway!

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89 GTA G92
305 TPI WC 5spd w/3.45
Accel Cap & 8mm Taylor's
Custom 4" Cold Air Induction
Jet Airfoil
K&N Airfilter
160 deg stat/fan switch TB Bypass - Steel Rad
Cat back 3" Exhaust w/Terminator Muff.
HiGh FlOw Dynomax Cat
Spohn LCA's - KYB GR-2's
Moroso Crank Bolt and roller pilot bearing.
Autometer Vac+Oil Temp

 

Yes, there is a certain amount of pressure build up on the tank. The purge canister helps control the level and also keeps the gas vapors from escaping unabated into the atmosphere by using activeated carbon IIRC.

I think what Jake is suggesting is that by eliminating the purge canister, you risk an EXCESS pressure build up beyond the normal build up.