Mark You know I'm not a rocket scientist. My mother didn't raise a dummy, well there is my brother.. He's not the sharpest tool in the tool shed.
I had a 1962 3.6L 6 cylinder with the highest compression heads. I think they were 9.5:1 (not 100% sure). It required 98 octane. When lead was removed the octane rating dropped 93 or 92.
Lead prevented pre-ingition, pinging, in high compression engines.
All I could do was retard the spark to prevent pinging.
I parked the car with intentions of doing a total rebuild when I retired. The dana 411 was leaking oil on the rear rotors..
After Dr told me I needed L4-L5 fused. Dr told me to get rid of my car, Eldorado, and buy a Truck or SUV. Dr was right. Getting in and out of my jab was extremely difficult and a back killer.
I sold my XKE and 650 triumph motorcycle. No back fusion 19 years later. There may come a time when pain meds stop working I may be rethinking fusion..
I think lead and lead substitutes boosted octane. Again, I'm not a rocket scientist. Not sure what damage pinging does to an engine. Today's cars use an ultrasonic sensor to retard spark or does something to stop pinning. The XKE has to be the best looking car ever made. The XKE has be the most uncomfortable car I've ever driven.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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