Re: Turbo Distributor '90 - '93. EPC has me confused..... - Saab 900 Bulletin Board - Saabnet.com
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Re: Turbo Distributor '90 - '93. EPC has me confused.....
Posted by spg900t (more from spg900t) on Mon, 15 Sep 2008 22:03:17
In Reply to: Re: Turbo Distributor '90 - '93. EPC has me confused....., Landjet
[Profile/Gallery]
, Mon, 15 Sep 2008 21:16:35
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The B201 is an 8v dist so that cannot be used. The only diff between the two is the SPG has 2 more degrees of retard under boost. Yours can be modified by removing the diapram from dist body. Then look at the arm sticking out and you will see it has a kind of L shape that hits a stop that is pinned to the housing. The arm itself is the easiest to get too to modify. just grind a small window into the bottom side of its mount just large enough to reach the arm. Heres the tricky part only remove a small amount at a time measuring the amount of retard with distr reinstalled and engine running with a timing light and a vacuum pump to simulate boost on the diaphram. FACTORY RETARD CURVE IS 5 DEGRESS ON A TURBO AND 7 ON AN SPG DIST. I find that about 13 degrees total retard will let me run about 21 initial timing with no issues at 21+ PSI
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