Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Nov 2011
Posts: 81
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Nov 2011
Posts: 81
My vacuum shift canister has two hoses going to it. One is for vacuum from the intake. What is the other hose for?

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Fresh air intake.

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:iagree

That's the one that goes over to a filter attached to the chassis. There it is relatively isolated from all the oil a-drippin' and flying around everywheres else. Is too! Agrin

Charlie computer

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Shade Tree Mechanic
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Shade Tree Mechanic
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Thanks for the infomation.

Joined: Feb 2011
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A quick check of your manual indicates as such...Saw a NOS one for your car on eBay, a while back...Sat there for weeks...Surprised me that no one was that interested in it..They were asking a fair price for it, too.


1947 Fleetmaster Sport Coupe VCCA # 47475

If it's not wearing a Bowtie...It's not properly dressed...!
Joined: May 2002
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Not alot of vac cylinders left out there,everybody took them off?No canister no need for a filter...Mine still seems to work fine though

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Oil Can Mechanic
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Oil Can Mechanic
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If the vacuum shift was the thing at its time.( mine still works great. no problems ). why did Chevy discontinue it? was it about how the transmissions were built at that time?
kinda make you wonder.


Ken's 1940 Special Deluxe Sedan
1970 Cadillac Hearse
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They could be more trouble than they were worth. While they had some advantages the conventional shift felt more positive.
The probably saved $10 per car by eleminatining it. That would have amounted to a $10,000,000 savings in 1949 alone. With an automatic transmission coming in 1950 may have had some influence on it also.


Gene Schneider
Joined: Jul 2008
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Oil Can Mechanic
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Oil Can Mechanic
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thanks gene,
I thought that the automatic transmission had something to do with it. $10,000,000 was quite a bit of money back then.


Ken's 1940 Special Deluxe Sedan
1970 Cadillac Hearse

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