anyone mapped the stock c900t ignition curves? - Saab Performance Bulletin Board - Saabnet.com
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anyone mapped the stock c900t ignition curves?
Posted by kooch (more from kooch) on Sat, 4 May 2002 03:25:14
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i have from atmospheric up to max boost (long tinkering to get msd btm dialed in right). but i don't have anything for advance under vacuum. is it same as on boost? initial dump and then stop? if stock initial timing is around 16 dbtdc, then under vacuum is it near 25 or so? what about if initial timing was advanced to 19-20? any help would be great. i forgot to get this part of the timing map as a starting point when i installed the new ems. with map sensor 0 to about 30-40% load is vacuum up to atmopsheric. everything above is boost. i need to fill in the bottom end and just need a starting point. i can go blind but it just takes a bit longer. thanks.
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