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10-24-2016, 03:05 PM
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#1 |
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Registered User
Join Date: Oct 2016
Location: Livermore
Posts: 1
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Advice on a blown head gasket
Hello. I have a 1984 Chevy K20 that has a blown head gasket. I am trying to decide between just fixing that or getting a new engine. I live in California so I have to take passing smog into consideration. The truck has a rebuilt 5.7 liter in it now that only has 40k miles on it. But, I would like more power. What is the best route to take?
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10-24-2016, 03:06 PM
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#2 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Advice on a blown head gasket
Only 40k and a blown head gasket after a rebuild... I would be interested in why it blew out that quick.
Gary
__________________
'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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10-24-2016, 03:34 PM
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#3 |
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Registered User
Join Date: May 2007
Location: nepa
Posts: 745
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Re: Advice on a blown head gasket
Depends on your funds and ability. Me personally, I would pull the block and enjoy doing the work on it and what I'm about to create. I would think its cheaper for your wallet to do the upgrades yourself. If you went that route.
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10-24-2016, 04:10 PM
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#4 |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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 to the forum.x2 on what Gary said. Seems strange it would blow a gasket so quickly. What are the signs you see it is blown?
__________________
1969 c-10 Step Side Long Bed. I-6 250cid =  = 1969 Pontiac GTO hard top. 400, 4-speed.
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10-24-2016, 09:03 PM
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#5 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,376
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Re: Advice on a blown head gasket
In my experience cast iron engines almost never blow head gaskets. I think an intake leak or possibly a cracked head would be more likely.
__________________
76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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10-24-2016, 09:20 PM
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#6 |
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Registered User
Join Date: Nov 2012
Location: Mexico, NY
Posts: 559
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Re: Advice on a blown head gasket
Could be a cracked block also.
__________________
'84 K10, SM465, NP208, 3.42 Gears, 33x12.5-15 GM 4 bolt 880 roller block, 062 Vortec Heads Comp Cams XR258HR-10, MSD Street Fighter HEI Edelbrock: Performer Intake 2116, 1405 Carb Long tube headers, 2.5" duals to Flow Master Super 40's Vortec Engine Build |
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10-26-2016, 01:19 PM
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#7 | |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Quote:
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10-27-2016, 12:03 AM
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#8 | |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,376
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Re: Advice on a blown head gasket
Quote:
__________________
76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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10-27-2016, 07:32 PM
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#9 |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Advice on a blown head gasket
Experiences vary. I have seen blown head gaskets on SBC, BBC, SBF, Ford FE & FT, Dodge big & small blocks ... you name it. And that is just V8s. Stock built fleet service, not race.
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