Ken-Mt said: (quoted from post at 15:24:12 08/14/08) I specified flat top pistons when I ordered my o/haul kit for a customer"s 1940 "A".Appears that the pistons/sleeves are slightly overbored from stock,no problem.The pistons I received are pop-ups[domed]and the pin height appears to be the same.Will everything clear?If so,will I have to worry about detonation?
The head has to be planed quite a bit before the domes will hit.Once I had the head planed .0125 ( and I think it had been planed once before) on an A to get it flat and there was still no problem with it hitting the domes. As far as detonation, you shouldn't have any problems with that even on 87 octane. Only way you would have any problems is if you could find some old Low Octane Pertroleum Distilate from WW1.
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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