Auburn 852

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01 Oct 2019 14:02 - 01 Oct 2019 14:23 #38502 by Ton
Auburn 852 was created by Ton
Hi all,
First many thanks for accepting.
I’m from the Netherlands and a classic car enthousiast since I was a kid.
About 30 years ago a friend of mine bought a supercharged Auburn 852 of 1936 without knowing too much about it at that time.
First time out the performance was disappointing and when he lost a wheel, due to a missing cotter pin, the car was parked in a corner of his garage and stood there ever since.
After much talking and persuading attempts I convinced him that it’s a disgrace the car was neglected for 30 years, and that the car should be back on the road.
When opening the hood I spotted that the supercharger was missing and that is probably why the performance was low.
In general the car is in good condition and after inspection and servicing it will not be a big deal to get it running again.
But I have a few questions.
First, is the Schwitzer-Cummins supercharger available at part suppliers?
And if not, is there an alternative?
And second, is the compression ratio of 6.5 : 1 the same for supercharged and non supercharged cars ?
I can imagine that a supercharged engine maybe has lower compression ratio pistons than a non supercharged engine.
Help will be very much appreciated.
Thanks a lot!
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Last edit: 01 Oct 2019 14:23 by Ton.

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01 Oct 2019 14:57 #38504 by rlwardne
Replied by rlwardne on topic Auburn 852
On the Lycoming tag on the right side of engine, does it have a GH or some other designation? On the left side the supercharger was driven of the timing case, is there a
A drive shaft protruding out?

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01 Oct 2019 20:12 - 01 Oct 2019 20:15 #38507 by Ton
Replied by Ton on topic Auburn 852
The Lycoming tag isn’t there anymore. The car tag mentiones a GH engine number and the drive shaft connection is still there on the timing case.
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Last edit: 01 Oct 2019 20:15 by Ton.

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01 Oct 2019 20:48 #38508 by mikespeed35
Replied by mikespeed35 on topic Auburn 852
Don't expect a appreciable increase in power from the supercharger unless you want to twist it to 3,000 or 4,000 RPM.
CORDiallyMike

Mike Huffman
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01 Oct 2019 21:14 #38509 by yorkgulch
Replied by yorkgulch on topic Auburn 852
On the left front top of the block there is a boss that sticks out with the engine number stamped in it. It should start with a GH. The identification plate on right outside of firewall should be 5 digits long and start with a 3 on a supercharged car.

Auburn 851
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02 Oct 2019 22:12 #38521 by Curt Schulze
Replied by Curt Schulze on topic Auburn 852
Yes, superchargers are available.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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