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Diesel engines normally use 10w-40 or 15w-40. 5w-40 is also good.
Better use what ford recommends for oil or you will find out how much repairs for one of these engines can be.
Friction modifiers are already in oil in the correct amount.
The Lucas oil demonstration in the store is pretty pointless for a real engine, because unfortunately your engine oil does not operate at room temperature and at hand cranking speed. Then if it actually did work as demonstrated it would cause more oil to cling to surfaces, increasing windage, increasing oil temperature and foaming.
The 7.3 intakes for certain years are restrictive costing power and fuel economy, one of the best things to do with it is rip it out and replace it with an after market one.
You are not going to find a highway approved airless tire or a LRR mud tire. So don't waste too much time on that one.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 04-29-2016 at 05:34 PM..
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