914-6 headers and heat exchangers questions |
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914-6 headers and heat exchangers questions |
mb911 |
Sep 13 2016, 02:04 PM
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#1
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914 Guru Group: Members Posts: 6,871 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest |
Most of you know that I am in the process of building 1.625 primary heat exchangers for the 914-6 market.. Danny so kindly has lent me a pair of factory heat exchangers to use as a pattern.. The issue is that the heat exchangers when sitting flat as if they were mounted on and engine the exit flange is off of perpendicular square(word) by about 3/16" .. Both of them are.. So a better explanation would be if you are looking at that back of the car with the muffler off the muffler flange bolt holes do not look square across the back of the car..
We have been discussing this for a few weeks. It should be square imho and some ssis I just installed on a customer's car today do as well.. So the question is what is the general consensus? Either way is easy but square and level makes the most sense to me as all 911 mufflers are built that way.. |
mb911 |
Sep 13 2016, 04:40 PM
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#2
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914 Guru Group: Members Posts: 6,871 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest |
I have several engines to mount them to along with nice fixtures started.. I will make them the same as an ssi would be .. It will be correct.
I am specifically talking about flanges to head versus clocking of the exit flange.. They should be on the same plane but are not in the samples I have but that maybe because they are not new and could have warped over the years as they often do considering the way the muffler bracket design that would make the most sense as they get lazy on the outward hole on each exchanger. |
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