Re: high rpm engine clatter (revisited) - Saab 900 Bulletin Board - Saabnet.com
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Just to make sure you understand, the vacuum servo capsule is a boost retard mechanism to pull timing out, not to advance it. There is no advance on a LH2.4 Saab 900 in stock form.
So, when you go on boost, it pulls timing out, about 10 degrees. So, if you are 16 degrees static timing and apply say base boost or 6 psi pressure to the servo, the timing should start to drop down as boost builds.
I'm not trying to be picky, but it's important that you understand that the timing goes down, not up in this application.
Posts in this Thread:
- high rpm engine clatter (revisited), Or.saab, Thu, 29 Oct 2015 21:48:13
- Fixed!, Or.saab, Tue, 3 Nov 2015 21:06:43
- Is this a mechanical noise or detonation/knock ?, BobD, Mon, 2 Nov 2015 13:30:46
- Location of noise?, SwedeFreak, Sat, 31 Oct 2015 19:38:23
- Re: high rpm engine clatter (revisited), Or.saab, Sat, 31 Oct 2015 13:39:33
- clatter update, Or.saab, Fri, 30 Oct 2015 13:52:10
- Re: high rpm engine clatter (revisited), turbocon86, Fri, 30 Oct 2015 06:19:57
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