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Old 05-19-2008, 05:46 PM   #1
enkeivetteenkeivette is offline
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Default Thicker HG
Since I have to replace the HG I've decided to go with a thicker one to drop the compression so that I can run more boost in the future. With my current pulley, I will actually be making less power but when I go to intercool it I will now be able to run 20lbs of boost as opposed to 15lbs. And if I so desired, I could run 12lbs with my current setup.

I would be going from a 4.166/ .041 gasket to a 4.2/ .071 gasket. This will take me from 9.5:1 down to 8.9:1. I've also decided to go with the Fel Pro MLS over the Cometic. With the Cometic a smooth surface is even more critical, and I will obviously not be pulling the motor apart to machine the deck.



I've already calculated that with a 3.1" pulley from ATI my D1SC will make 19lbs.

Although, I don't plan to order the HG till after I pull the heads. I want to measure the piston depth myself to make sure that my numbers are right.
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Old 05-19-2008, 06:14 PM   #2
VettezukiVettezuki is offline
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So what's the over under on you making it a thousand miles with the new setup?
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Old 05-19-2008, 09:40 PM   #3
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Originally Posted by Vettezuki View Post
So what's the over under on you making it a thousand miles with the new setup?
I'm going to be one of those guys on the forums everyone talks about that's making ridiculous power with stock parts and getting away with it, I just know it.
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Old 05-19-2008, 10:44 PM   #4
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I'm going to be one of those guys on the forums everyone talks about that's making ridiculous power with stock parts and getting away with it, I just know it.
Just let me know so I can have the camera ready . . . . you know, just in case.
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Old 05-20-2008, 07:33 AM   #5
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Don't run the high boost numbers on the 4th of July. We won't be able to tell the difference between fireworks going off or your engine grenading...
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Old 05-20-2008, 12:11 PM   #6
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Don't run the high boost numbers on the 4th of July. We won't be able to tell the difference between fireworks going off or your engine grenading...
Are you saying we should start practicing "he blewed his engine up"?

I have a little more faith.
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Old 05-20-2008, 12:18 PM   #7
enkeivetteenkeivette is offline
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Don't run the high boost numbers on the 4th of July. We won't be able to tell the difference between fireworks going off or your engine grenading...
My engine will be fine, it's my diff first and my T56 second that I'm worried about.

I have a 4 bolt block, forged steel crank, forged steel I beam rods, forged aluminum pistons, arp fasteners, chromeoly one piece pushrods, billet rockers, stud girdles, and the upgraded valves and valve springs from AFR to handle the high revs.

If I do buy the Camaro, when I pull this motor out of the car I will build the trans to handle the power and upgrade the clutch. My clutch should be slipping already technically. And I would only buy a Camaro with a stout 12 bolt or 9."

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Are you saying we should start practicing "he blewed his engine up"?

I have a little more faith.
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Old 05-20-2008, 12:20 PM   #8
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Are you saying we should start practicing "he blewed his engine up"? . . .
You need to practice?
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Old 05-20-2008, 12:24 PM   #9
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My engine will be fine, it's my diff first and my T56 second that I'm worried about. . . . .
If you clutch drop on sticky tires all kinds of shit is going to break. If you keep your wiener in your pants and practice safe acceleration, nobody will get hurt. (Not quite as much fun though.)
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Old 05-20-2008, 06:46 PM   #10
enkeivetteenkeivette is offline
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If you clutch drop on sticky tires all kinds of shit is going to break. If you keep your wiener in your pants and practice safe acceleration, nobody will get hurt. (Not quite as much fun though.)
True true, but not my engine. It's built for 800hp easy so says the machine shop. IMHO the HG will always be the weakest link in the engine.
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