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Old 05-26-2001, 07:58 AM
Posts: n/a
If you had spark, why change the ignition module? To check the distributor on the car (basic check), you should be able to turn the rotor clock-wise about 15mm or so. When you release it, it should "spring" back to the original position. You can also use a timing light to check the timing at starting speed while someone else cranks the engine over.
The M110 engine does have a unique problem with wear on the drive gears for the distributor and oil pump. Commonly referred to as the "matched gear set". They can (and do) wear enough to cause the distributor to "jump" out of time. That sounds like what has happened. Replacement of the gears requires removing the cylinder head.
Randy D.
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