head gasket

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02-01-2011, 07:52 PM

ltr450

Diesel Wrench

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head gasket

how worried so i be about blowing the head gasket with 17* of timing and running 40 psi of boost. or should i tight the head bolts to 125ft lbs

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02-02-2011, 01:25 AM

5.9sledhead

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I'd say very. I'm buying studs at the moment just so I don't blow mine out. I'm doing 43 with16* timing

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02-02-2011, 11:05 PM

HAYMAFIA

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you shouldn't be worried. u should be saving up for head studs and a new headgasket.

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02-02-2011, 11:12 PM

5.9sledhead

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I'm turning mine down till they get here should be in a couple days

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02-03-2011, 03:38 AM

blazier18

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i just plugged my wastegate the other day and blew mine with stock timing

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02-03-2011, 05:54 AM

monster12valve

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43 psi on a stock turbo is just wearing out the turbo faster also.

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02-03-2011, 01:28 PM

ltr450

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i am not running 40lbs yet. i just wanted to know. i thought cummins rated these heads for 55psi. looks like i will have to re-tight my stock head bolts to 125ftlbs or more.

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02-03-2011, 02:56 PM

jrad989

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Not much point testing what it can and cant take. I blew my first one with stock everything except a fuel plate. And once that oil and water mix its not fun cleaning everything out.

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02-06-2011, 07:31 PM

12vpower96

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jrad. what do you think is the best way to get all the oil and water mix out. my gasket blew and my oil is real clumpy i wanna try to get it all out before i put everything back together

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