43psi of boost.... - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 52 (permalink) Old 08-11-2007, 06:03 PM Thread Starter
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43psi of boost....





Means blowing my head gaskets and filling god knows what with 5 gallons of coolant!!!!!!!!!!!!!!

What should I do next.......comeics and studs are going on....thinking about firerings (maybe). should I get the heads worked on while I have them out. push rods..??? My motor has 220,xxx miles not sure what else to look into while I'm in there.
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post #2 of 52 (permalink) Old 08-11-2007, 06:41 PM
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Re: 43psi of boost....

Really sorry to hear about all this Gabe! You'll get her running great again don't worry, stuff happens!

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post #3 of 52 (permalink) Old 08-11-2007, 08:41 PM
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Re: 43psi of boost....

if you put cometics on there i would have the head re-decked to insure full coverage. pushrods and stiffer valve springs probly wouldn't be a bad idea either, before i did that i bent 2 pushrods in 2 weeks.

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post #4 of 52 (permalink) Old 08-11-2007, 11:56 PM Thread Starter
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Re: 43psi of boost....

what size cometics do I need? I am not going to be adding anything powerwise...if that helps any.
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post #5 of 52 (permalink) Old 08-11-2007, 11:58 PM
 
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Re: 43psi of boost....

If you use cometics, the block and heads need to be PERFECT.

I would go stock HG's and studs personally.
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post #6 of 52 (permalink) Old 08-12-2007, 12:14 AM
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Re: 43psi of boost....

fwiw elmo is running stock gaskets and studs if i'm not mistaken

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post #7 of 52 (permalink) Old 08-12-2007, 12:23 AM
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Re: 43psi of boost....

I think stock gaskets and h11 studs have been proven upwards of 55-60psi. Thats the route I went.
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post #8 of 52 (permalink) Old 08-12-2007, 01:25 AM
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Re: 43psi of boost....

i've got stock gaskets with studs and i'm running a little over 60psi on top end and haven't had any problems, just bent a couple pushrods, but thats fixed now.

2000 F-250 ex sb 4x4 Swamped 7.3 (CR coming soon)

1999 F-450 cc fb 4x4 Swamped 7.3 (STOLEN)

2008 F-250 cc sb 4x4 H&S, S&B, 5", BMF, Grabbers


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post #9 of 52 (permalink) Old 08-12-2007, 01:32 AM
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Re: 43psi of boost....

Depends. Stock "Virgin" gaskets with over 150,000 or so miles on them are basically the strongest material on the face of the planet when combined with headstuds. They will fair much, much better than the rods and likely the block.

You have to be careful when running brand new ones though. They tend to spit out when freshly installed. They seem to like some miles on em before they start to turn into unobtanium.

If I ever have a gasket issue, I plan to run the stock thickness Cometics and a set of Cuninghams (since Hypermax rods are non-existent nowadays). And that's it. Maybe fill the block a tad and toss some studs in the mains. I feel that should be fine for mid 800's on fuel with daily reliability. 1000 if you wanted to push things.

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post #10 of 52 (permalink) Old 08-12-2007, 11:01 AM
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Re: 43psi of boost....

Quote:
Originally Posted by Charles View Post
If I ever have a gasket issue, I plan to run the stock thickness Cometics and a set of Cuninghams (since Hypermax rods are non-existent nowadays).
I thought Hypermax had a new set of rods in production. I know Brian T bought a set and he said they were beautiful.. Very evenly balanced and light.
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