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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc

411 air conditioning

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Old 28-03-20, 12:48 PM
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Thank you Xseries unfortunately the photo to the right is a 411 but is fitted
with a later smaller block motor. The middle photo I am not sure what motor it is, note the dip stick is not in the correct place for a 383. The left photo gives some small idea as to where it is mounted.The choice of compressors isnt easy as most modern compact units would be ideal but come with the wrong pully. The best I have found so far is off an Early Toyota Hi Lux. This could easily be mounted near the alternator and move the alternator to a position near the fuel pump but so far I havnt found one small enough to fit.
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Old 28-03-20, 12:51 PM
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Geoff if your compressor was mounted where the alternator is shown where was your alternator moved too?
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Old 28-03-20, 01:19 PM
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Peter,
It is on the right hand side of the engine viewed from the front with the power steering pump below it.
Geoff.

Last edited by Geoff Kingston; 29-03-20 at 08:27 PM.
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Old 28-03-20, 02:47 PM
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Here are some photos from Geoff Kingston ...
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File Type: jpg P1040920.JPG (184.2 KB, 22 views)
File Type: jpg P1040864.JPG (201.2 KB, 27 views)
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Old 28-03-20, 05:56 PM
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The two photographs with a compressor in place are actually of my 603E with the 5.2 engine, the other photograph is of the 411 showing the position of the alternator almost directly above the power steering pump.
There would also have been a pump on the engine for the self levelling but that had been removed before I bought the car.
Geoff.
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Old 29-03-20, 06:06 AM
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Here are some pictures of the first AC installation on my 411. The (Denso) compressor is where the alternator was originally and the alternator has been moved to the where the self leveling pump was.


As you can see the condenser was in front of the radiator. The AC worked well, but the engine ran very hot (to hot) on warm days, this was alleviated a little by installing a large electric fan on the back of the radiator, to pull air through, but the engine cooling was still marginal.


Unfortunately the original two electric fans mounted in a cowling in front of the radiator was not a very effective setup.
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File Type: jpg Initial AC install 1.jpg (433.4 KB, 21 views)
File Type: jpg Initial AC install 2.jpg (385.7 KB, 18 views)
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Old 29-03-20, 06:33 AM
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This is the second AC installation on my 411. An original Chrysler compressor was used (as per the Jensen Interceptor I believe - not sure who actually made the compressor) along with a multi-rib belt setup. The water cooling and radiator configuration has been changed completely (I'll cover that in a later post). The engine cooling works well, but the old design of compressor is not very effective. I asked Vintage Air about this and they said the old compressors used by Chrysler are significantly inferior to the Denso compressor.
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File Type: jpg 411-engine-004.jpg (207.3 KB, 21 views)
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