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Date:         Thu, 27 Apr 95 09:24:31 PDT
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         smaher@ball.com (Steve Maher)
Subject:      Re: Cheap Heat Exchangers

Many years ago I had a '69 bus, whose original heat exchangers were wonderful. On a zero-degree Colorado night, fire the bus up, get on the freeway, and ten minutes later you could take off your jacket and drive in shirtsleeves.

Finally one heat exchanger developed an exhaust leak, so I replaced both with inexpensive replacements, aftermarket types I guess. (Not J-tubes). The heat output of the new ones was only a fraction of the old ones-- I was _very_ disappointed. I don't know what the differences were, but they had to be significant. Unfortunately, I also don't know what to look for when shopping for them now, which I have to do for my recently-purchased '71 bus. I'm considering J-tubes and a gas heater, just to avoid a recurrence of the past disappointment.

The moral of the story is, if you buy new heat exchangers, make sure (somehow...?) that they are identical to the originals, in airflow, metal composition, number of internal fins, etc.

Good luck!

-Steve Maher smaher@ball.com '71 Transporter


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