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05-26-2007, 12:39 AM
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#1 |
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13lazers' blazers
 
Join Date: Jul 2005
Location: San Pedro, CA
Posts: 152
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head gasket advice?
i developed a sudden missfire and power loss a few weeks ago. i have been tuning up every bit of my 383 stroker engine with no improvement. today i noticed a lot of water in my exhaust and bubbles in my oil. my motor has between 30000 and 50000 miles on it and i ride her hard. i have been advised that changing head gaskets will cause another part of my engine to fail. the motor ran flawlessly until recently. can i get away with simply changing head gaskets or will i have to swap out the cam, rings,... what are the chances that i can save my engine?
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 1970 2wd blazer 1972 1ton blazer 4x4 in progress 1966 mustang coupe (modified) 1985 c20 suburban tow rig 1996 462 ranger with a 150 efi merc. a former B.A.S.S. tournament boat  almost all exempt from california smog laws intentionally.
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05-26-2007, 07:07 AM
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#2 |
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The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,468
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Re: head gasket advice?
Never heard the "Changing the gaskets will make something else fail" scenario?
But then again I'm not a Motorhead, I can't see why you couldn't do just them.
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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05-26-2007, 12:54 PM
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#3 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: head gasket advice?
Change the gaskets.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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05-26-2007, 01:12 PM
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#4 | |
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I'm a poor spectator
Join Date: Aug 2006
Location: San Antonio, Tx
Posts: 2,287
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Re: head gasket advice?
Quote:
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2006 Jeep Unlimited IMPACT ORANGE 1993 Chevy 2500 4x4 ExCab LWB 454/NV4500 Tow rig  1977 Ford F100 2x4 LWB 1st truck I owned, still have it!!! 1979 Ford F150 4x4 SWB Built Ford Tough!!!  1971 Chevy Blazer 350 / SM465 / NP205 UNDER CONSTRUCTION Soon to have a LQ4 6.0!!! |
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05-26-2007, 02:15 PM
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#5 |
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Well, Whoop-dee-do!
Join Date: Mar 2003
Location: Easton, Mo. pop.- me & scarcely a few others
Posts: 2,302
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Re: head gasket advice?
If the miss IS from coolant getting into a cylinder, the top of the piston will be clean. Pull the spark plug on the suspect cylinder, turn the crank until you can see the piston thru the spark plug hole. If it is covered in carbon like the others, not a head gasket. Antifreeze in the oil destroys the bearings, it bonds to the bearing material. If the oil doesn't look like chocolate milk, you are probably ok. An oil change with a can of motor flush will "cut" the antifreeze from the bearings, if you do it before damage is done.
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'68 GMC shortbox 4x4 350/SM465/T221- bought it in '83 SOLD  '72 K20 500 Cad/TH400/NP205 SOLD '92 Chevy 2500 6.5 mech TD 4L80E crusty daily driver '72 Monte Carlo... sweet low mile toy '11 Dodge Challenger IE 392 6spd... midlife car 
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05-26-2007, 02:53 PM
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#6 |
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Proud Father
Join Date: May 2007
Location: Duff, Tn.
Posts: 102
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Re: head gasket advice?
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05-27-2007, 01:03 PM
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#7 |
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13lazers' blazers
Join Date: Jul 2005
Location: San Pedro, CA
Posts: 152
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Re: head gasket advice?
thanks for the advice, i'll just pile on another project. i'll come back if i hit another problem im not sure about.
__________________
1970 2wd blazer 1972 1ton blazer 4x4 in progress 1966 mustang coupe (modified) 1985 c20 suburban tow rig 1996 462 ranger with a 150 efi merc. a former B.A.S.S. tournament boat almost all exempt from california smog laws intentionally.
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