Hey VNV - Can you post the picture of my totally correct '66 BB overflow tank?

[Kid_Again]

Darned if I can find the digital camera. Thanks for your help!

 

[Viet Nam Vett]

Darned if I can find the digital camera. Thanks for your help!

Yeah... I can do that.. When I get home I'll dig thru the Overflow Tank Pictures..Shouldn't take me long to find yours...there's only abot 350....:L

I'll post them here...

 

[Paranoid]

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[Viet Nam Vett]

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Ok Ok ...Here they are...... Geeeeeeeeeezzzz

Got That Last Sucker...!!!!!

 

[Mac]

Why did GM go to the cheap plastic crap I've got under my hood when a nice metal one like that was on the shelf? Let me guess... it saved five cents per unit.

-Mac

 

[JohnZ]

If you want to use that setup successfully as a coolant recovery tank that will allow expansion coolant to be drawn back into the radiator as the engine cools down (not just a "catch-can" for puked coolant), the tube inside the tank needs to extend to the bottom of the tank so the vacuum in the cooling system can suck the expansion coolant back into the radiator, and the tank needs a vent to atmosphere. As it is now, that inlet tube is flush with the inside of the tank, and the tank isn't vented.

I can't tell from the photos, but I'm assuming the bottom outlet tube on the tank isn't connected to the heater hoses and is plugged.

 

[Kid_Again]

JohnZ....sorry for the delay in responding since I am having computer problems....still am



Anyway, the tank is sealed at the bottom and the tube connecting the hose does go all the way down to the inside bottom...when I first hooked this up, I underfilled the Harrision, overfilled the tank and after everything was cooled down, I checked the level of the overflow tank and most of it had been siphoned into the Harrision......Subjectively (as opposed to conducting a PhD Engineering Dissertation), the car seems to have a fractionally quicker coolant temperature recovery time but I would concede that having an overflow tank just seems to make ME feel better when I'm waiting for a bridge opening on a hot summer day

Hope this helps

 

[Vettehead Mikey]

Why did GM go to the cheap plastic crap I've got under my hood when a nice metal one like that was on the shelf? Let me guess... it saved five cents per unit.

-Mac

Actually Mac, you and I lucked out in yet another way by owning '73s. This is the first year that Corvettes came with a coolant recovery tank, as compared to all previous years that had a simple expansion tank (either external or internal). The example shown here is an external expansion tank recommisioned into being a recovery tank. Nice job!

Although very pretty , I'd rather have the functionality of a recovery tank like our cars.............