 Cabin Heat, Heat Exchangers |
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| jim_hoyland |
 Aug 12 2019, 08:35 PM
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#1
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Get that VIN ?  Group: Members Posts: 9,328 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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Do the SS heat exchangers allow for a faster cabin warm up - from your experience.
About a year ago, I replaced the SS exchangers for OEMs on my ‘75 1.8 It seems like the cabin would heat up faster with the SS ? Flappers are good, cables properly set, and fan operates Anyone been down this road? |
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| jcd914 |
Aug 12 2019, 09:48 PM
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#2
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
In my experience, yes SS heat exchangers transfer more heat faster.
The SS tubing has thinner wall and I believe SS transfers heat faster as well. But real world experience, yes they heat the car faster. Jim |
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| mb911 |
Aug 13 2019, 04:30 AM
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#3
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914 Guru Group: Members Posts: 6,903 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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QUOTE(jcd914 @ Aug 12 2019, 07:48 PM)  In my experience, yes SS heat exchangers transfer more heat faster. The SS tubing has thinner wall and I believe SS transfers heat faster as well. But real world experience, yes they heat the car faster. Jim Stainless is an extremely poor conductor of heat infact much worse then stock steel.. What you are likely experiencing is thinner materials as you mentioned.. |
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| rfinegan |
Aug 13 2019, 08:04 AM
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#4
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Senior Member Group: Members Posts: 974 Joined: 8-February 13 From: NC Member No.: 15,499 Region Association: MidAtlantic Region
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I think its the design change of the back dated exchangers that make the difference
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| 914_teener |
Aug 13 2019, 10:20 AM
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#5
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914 Guru Group: Members Posts: 5,205 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
QUOTE(mb911 @ Aug 13 2019, 03:30 AM) QUOTE(jcd914 @ Aug 12 2019, 07:48 PM) In my experience, yes SS heat exchangers transfer more heat faster. The SS tubing has thinner wall and I believe SS transfers heat faster as well. But real world experience, yes they heat the car faster. Jim Stainless is an extremely poor conductor of heat infact much worse then stock steel.. What you are likely experiencing is thinner materials as you mentioned.. (IMG:style_emoticons/default/agree.gif) I had a side project to ceramic coat the inside of a stock HE and and the outside of the shells with entropic and insulating coatings. I sold them to Rob back East a while back for him to continue it since I sold my car. I think what happens over time is that they.....yes......wait for it......rust, and then that is a inhibiting factor in the heat transfer and then air flow......from a previous thread, a poor conductor of heat. Same thing on the cylinders...they rust and then conduct heat poorly. |
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