When ever I've seen an ECT issue in the past, it's been related to AFR (too lean).
But from page 17 of the Gryphon manual:
Quote:
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Lowering this value will not harm the engine but may reduce performance and economy. A good general rule is to increase timing 0.5 degrees for every octane count you go up. For example, if you are running 93 octane fuel in level three, you could safely increase the timing 1.0 degrees.
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I'm definitely no expert, but if you suspect the octane difference is the culprit, you could try reducing the timing by 1 degree (93 to 91 = 2 counts) and check your ECT. If it's good, increase it .5 (1/2) degree (you will now be at 1/2 degree retarded) and check again. If it's good, you could leave it there and you probably won't need new tunes.
If the ECT is still high, then you probably have another issue.
Hopefully Jack, 88, Longshot, or Cody will be by to verify my troubleshooting process.
Sun, August 15th, 2010, 10:45 AM
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