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Old 08-26-2007, 03:21 PM
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Chevy 350 Stock Intake - Bolt Removal

I have a 82 Chevy 350 with a stock intake and I'm trying to remove 2 bolts by the EGR that I can't get a socket or end wrench on. What was Chevy thinking? I can post a picture to show you what I'm having trouble with.

What should I do? I don't want to strip the intake bolt head off...
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Old 08-26-2007, 03:44 PM
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Would removing the EGR help gain access? Or a really good 6 point box end wrench? Or a thin wall 6 point swivel socket?
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Old 08-26-2007, 04:35 PM
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I got it by using a screw driver and a hammer.

The back side is touching the intake. There was no way to put a socket on it. There wasn't enough bite to get it with an open end wrench either. I'm changing the intake to a Performer RPM, so at least I wont have to worry about it anymore.
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Old 08-26-2007, 04:50 PM
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Why the RPM model instead of the standard model? Are you planning further modifications that will support the larger volume of the RPM? If not, I predict the car will be slower than it was with the stock manifold due to less power under curve where the motor is normally driven.

In other words, the motor might make a little more total hp at the top of the rpm range with a RPM manifold, but that's not where the motor operates 95% of the time. With the bigger manifold, you're giving up much of the lower rpm torque because the increased volume of the manifold will slow down the mixture at low r's, thus decreasing cylinder filling to less than the stock manifold. Result-slower car and lighter wallet.
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Old 08-26-2007, 05:03 PM
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Quote:
Originally Posted by techinspector1
Why the RPM model instead of the standard model? Are you planning further modifications that will support the larger volume of the RPM? If not, I predict the car will be slower than it was with the stock manifold due to less power under curve where the motor is normally driven.

In other words, the motor might make a little more total hp at the top of the rpm range with a RPM manifold, but that's not where the motor operates 95% of the time. With the bigger manifold, you're giving up much of the lower rpm torque because the increased volume of the manifold will slow down the mixture at low r's, thus decreasing cylinder filling to less than the stock manifold. Result-slower car and lighter wallet.


I do plan on running Edelbrock Heads, and the matching cam. That should help shouldn't it?
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Old 08-26-2007, 06:01 PM
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In a word, yes, as long as you increase the static compression ratio at the same time to support the longer cam.
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