The Ford Barn

41Joe · 02-04-2016, 12:48 PM

I removed my manifold the other day on a 41 block. The lifter valley has a lot of sludge build up. I know the oil pan has the same problem. When I first got the car, it would smoke pretty bad once it got warmed up. Could this build up be the cause of the smoking, or give the impression of blow-by?

flatjack9 · 02-04-2016, 01:15 PM

No, blow-by would not be affected or caused by the sludge buildup

JSeery · 02-04-2016, 01:28 PM

The oil is constantly being contaminated from variouse sources. Getting the oil hot removes some of these. Frequent starts and stops and driving short distances does not allow the oil to get up to operating temperature and the result is the sludge build up. Higher operating temperature, driving longer distances and frequent oil changes can help prevent a lot of it. A PCV can also help a lot, but that is something not everyone wants to install!

Binx · 02-04-2016, 11:01 PM

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If you have a lot of blowby with known sludge then its probably safe to assume your oil control rings are clogged and you need a cleaning, reconditioning or rebuild.

Lonnie

02-04-2016, 12:48 PM	#1
41Joe Senior Member Join Date: Jul 2015 Location: Huntington Beach, CA Posts: 284	Sludge build up I removed my manifold the other day on a 41 block. The lifter valley has a lot of sludge build up. I know the oil pan has the same problem. When I first got the car, it would smoke pretty bad once it got warmed up. Could this build up be the cause of the smoking, or give the impression of blow-by?

02-04-2016, 01:15 PM	#2
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,526	Re: Sludge build up No, blow-by would not be affected or caused by the sludge buildup

02-04-2016, 01:28 PM	#3
JSeery Member Emeritus Join Date: Nov 2012 Location: Wichita KS Posts: 16,132	Re: Sludge build up The oil is constantly being contaminated from variouse sources. Getting the oil hot removes some of these. Frequent starts and stops and driving short distances does not allow the oil to get up to operating temperature and the result is the sludge build up. Higher operating temperature, driving longer distances and frequent oil changes can help prevent a lot of it. A PCV can also help a lot, but that is something not everyone wants to install!

02-04-2016, 11:01 PM	#4
Binx Senior Member Join Date: Oct 2011 Location: Gloucester VA Posts: 1,042	Re: Sludge build up Sponsored Links (Register now to hide all advertisements) If you have a lot of blowby with known sludge then its probably safe to assume your oil control rings are clogged and you need a cleaning, reconditioning or rebuild. Lonnie