detriot engine with a lot of blow by
I have a Detriot engine that has a lot of blow by mechanic said some det,engine does that. its a 430/500. Also thinking about pulling flabed,my wheelbase is239,trans 10 speed with 3:90 ratio just wondering would that be good spec since a lot of load will be heavy.. I use 1 gallon of oil between oil changed 12000 miles I changed oil every 15,000. Avg about 6.3 miles per gallons, Thanks
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Is the blowby coming out of the bottom tube? I have seen Detroits that test good on the Dyno but still have alot of smoke coming out of this tube. It may be a failing air compressor.
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Reply to blow by
Yes it is coming from the bottom tube
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Re: detriot engine with a lot of blow by
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roadranger Check your intercooler for leaks (have it pressure tested), sounds like that may be your problem there.
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Intercooler
What exactly is the intercooler and what is it purpose, would like to know before I carry to have it check. The blow by is a white smoke. Thanks again
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Re: Intercooler
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Blow by can also be a sign of worn piston rings.
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By the way, my blowby is so bad that I can't leave it running without folks coming up to me to tell me my truck is "overheating" :shock:
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