I worked for a company the shop foreman would only use 15-40 in all engines. The company bought 5 new 2007 Chevys with 6.0 engines they did all the oil changes at 3000 miles and all 5 of the trucks within 100000 miles either had to have new engines or oil pumps. The head tech found out from GM that the oil pump was positioned different on these newer engines and the heaver oil would not pick up correctly on cold start up and thus starved for a few seconds every start. After a few more costly moves like this the foreman was fired and they use the correct oil on all there newer trucks with no issues. John
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Today's Featured Article - Preventing Tractor Theft - by Staff. The discussion started with the following message: I have a JD A without key start or any locking device. Is there a best way to secure it so the chances of it being stolen are reduced? Following are some of the answers that were received: Take the rotor out of the distributor and hide after each use. The would-be thieves at least couldn't just get on and drive away.
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