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Originally Posted by Administrator If I'm not mistaken, you can increase the timing on those cars for added power. It does make a difference.. You just have to make SURE you use high octane fuel as the 4100 (again, if I'm not mistaken) doesn't have a knock sensor.. |
True this is, but when advancing the timing, she must be put into 'set timing mode.' I'm not sure where to do it on the fuller sized bodies, but it might be the same as the '86 on up Cadillacs via the ALDL connector. The exact instructions for timing adjustment should be on the emissions control label under the hood. Also, the safe bet for the '85 Eldo is about an advance of three degrees. No more.
And yes, when advancing the timing, she will need the premium fuel. If you'd like to stave off detonation for sure, a 180 degree thermostat might be a good idea, but not entirely necessary.