Re: Re plugs fouling

Posted by the tractor vet on August 13, 2006 at 07:00:56 from (75.24.6.64):

In Reply to: Re: Re plugs fouling posted by John M on August 13, 2006 at 05:22:10:

Ahhhhh but you are wrong on that that the fuel was not what it is today reg. leaded gas back as far as i can remember was over 93 octain and hightest was anywhere from 100 up the only gas that was less then the 93 was some of the way off brand and Gulftane and that stuff would not even run a junky old 6 cylinder wore out cheve . When i first started driving i was working for a construction co. and the employees were allowed to buy there gas on the company name and get the 3 cents discount if we paid cash and if we charged it it cost use a penny off the discount . We did not keep gas at the shop just 25000 gllons of diesel and all the gas came from the small truckstop a mile west of the main shop they had the car gas that was 95 0ctain for the reg and the high test that was 100 octain and the truck gas that was 105 octain as we had one B model mack that was abig thermodine gas burner and a bunch of White Mustangs with big 6 cylinder gasserand you ran the hightest in them now the B model was a 1957 B60 that pulled one of the 50 ton lowboys , that is the first big truck that i drove and the fuel requirements for her were a Minium of 100 octain gas but it ran sooooo much better on the 105 and got a whoppen 3.5 MPG where as on the 100 if ya had to buy it some place that that only had the 100 it would drop down to 3MPG and she carried 200 gallon , now this was what the spec.s were for this OLD 1957 truck . Ford use to offer three differant 390 engines two 2 BBl. 1 four bbl , one was a reg. fuel two bbl. one premiume fuel 2 bbl. and the prem. fuel 4 bbl . while working at a large ford dealership we had lots of problems with people that used the wrong gas in the prem. 2 bbl . engines on the 390 reg. fuel you could get away with running the lower Sunoco 200 but not the 190 on the 390 prem. fuel the least ya could run was the 210 on the 390 4 bbl. the 230 was the bottom of the scale now this is if ya wanted to sorta split hairs on saven a penny . Now today with the 10% alky blends when this fuel lites it leans out on it's owen and believe me this is causeing problems on the old engines , yea i know i hear it all the time i have been running it and i don't see the problem well just how many of ya realy work your tractors like they were ment to be worked . Now over here there are a lot of older tractors that are still working everyday doing what they were ment to do not just well i am going to go play for a couple hours and then ya have a problem with it and come on here for some snake oil cure for the problems that ya have . And just how many of you have gone the route to have the fuel that you use lab tested and how many of you can look at the innereds of and engine and tell what happened and why has this happened , well i can . When i was working for the one big Ford dealership i ran the High Performance end of the service dept and was head mechanic on the two cars that we ran in the Ford drag Club and spent a bunch of time working with the engeneers in Detroit and at the cleveland engine plant .

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