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01-27-2007, 01:00 AM
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#1 |
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Registered User
 
Join Date: Jan 2006
Location: Warrington, PA
Posts: 403
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Sludge
 '76 305 in my 69 c10(rebuilt in 1988). I did a valve adjustment last week and noticed alot of sludge has accumulated. any suggestions on cleaning up this sludge without removing the heads?
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01-27-2007, 01:04 AM
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#2 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Sludge
Diesel oil like Rotella 10-30, change oil and filter,(anything but fram, prefer wix/napa) every 2000 miles or less until clean.
__________________
1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 01-27-2007 at 01:05 AM. |
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01-27-2007, 03:38 AM
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#3 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,669
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Re: Sludge
I ran the b12 liquid chem tool in mine to clean the sludge out of mine. Comes in a metal can. You just follow the instructions on the back of the can. But it esentially comes down to pooring between half and the whole can in the engine, running it for a few minutes then drain oil, replace filter and oil then done. I did it about 3 times over a 1 year period and now the inside is nice and clean. And it even runs better to.
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01-27-2007, 04:57 AM
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#4 |
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Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: Sludge
i kinda hate to bring it up but..haha...what about seafoam?
__________________
-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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