distributer d17 series 4 vs. 175 differance?
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=201451
Printed Date: 22 Nov 2024 at 11:21pm
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Topic: distributer d17 series 4 vs. 175 differance?
Posted By: HudCo
Subject: distributer d17 series 4 vs. 175 differance?
Date Posted: 22 May 2024 at 9:17pm
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any differance in the distributer on a d17 series 4 and a 175 mecanical advance weights or the series 1 what wiehgts or springs will be the best with the 175 cam still be the series 4 govenor weights and spring
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Replies:
Posted By: HudCo
Date Posted: 22 May 2024 at 9:25pm
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i will be useing a pertronix but my dist. sat for at least a full year outside with out a cap on it and the mechanical advance is is rusted beond repair
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Posted By: tbran
Date Posted: 23 May 2024 at 3:07pm
The 175 distributor had different weights and springs as the RPM was higher and had a longer advance curve. 70232828 70232829 springs and wts. These were with screw type dist cap mostly - E's and 175's. Both were Delco so will interchange. 240001 is the sn break. I have seen a lot of swaps...
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: HudCo
Date Posted: 23 May 2024 at 4:52pm
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will those weights 70232828 and 70232829 fit in the series 1 distributer ? wonder what combination i want with the d17 rpms and the 175 cam ?
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Posted By: tbran
Date Posted: 24 May 2024 at 8:18am
Due to the nature of theLow RPMs don't think it will matter - you need to tune it on a dyno and adjust the timing to max hp. Having done this it is amazing how much one can adjust the distributor with no noticable difference. When the timing is retarded the rpms go down and then come back when advanced to the point of pinging - then back off. You can't determine the start of 'pinging' by ear. Depending on compression, air flow and other issues timing will probably be different than factory specs for your purpose.
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When told "it's not the money,it's the principle", remember, it's always the money..
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