Blown Head Gasket - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 11-23-2010, 03:27 AM Thread Starter
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Blown Head Gasket

I put a rebuilt head on my truck and it blew gasket in about 3 days now it has a slite miss , I am guessing between cylinders, have not ran compression test yet.
I need some sugestions on what I need to do next time. I torqued the head 50 the first round, 77 the second and rechecked the third round then 1/4 turn after that.
Shoud I try copper coat on gasket? Torque a little more? Get new bolts? I heard 3rd gen bolts a little stronger?

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post #2 of 5 (permalink) Old 11-23-2010, 06:26 PM
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Have the head checked for flatness. Is where I would start. New stock bolts also go a long ways, and can be taken all the way up to 150-155ft.lbs if done right.
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post #3 of 5 (permalink) Old 11-23-2010, 10:46 PM
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Check head for flatness is the best thing you can do. Then I would atleast get new bolts of look at APR 425 head studs and do it right the last time. Also make sure you get the block good and clean before it goes back together.

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post #4 of 5 (permalink) Old 12-22-2010, 07:09 AM
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The head is coming off again?

At least O ring and stud the thing after checking the head and deck for flatness. Torquing up to 130 lb/ft sound good?

I did mine right the first time I blew my head gasket because I didn't want to do it again soon....
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post #5 of 5 (permalink) Old 12-28-2010, 01:30 AM
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Quote:
Originally Posted by TwinCharger View Post
The head is coming off again?

At least O ring and stud the thing after checking the head and deck for flatness. Torquing up to 130 lb/ft sound good?

I did mine right the first time I blew my head gasket because I didn't want to do it again soon....
I wouldn't worry too much about o-rings. Especially not at his power level. With a good flat head, and bolts or studs done right, you are good for a fair amount of power. If you are pushing some big numbers, then I would start looking into ARP625's. We run 1200hp through our 05, without o-rings, and I have also heard of people loosing HG's because of their rings, so I am not a fan of complicating matters, or spending more coin than necessary.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

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