Offshoreonly.com - 90 7.4L 330 hp questions

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Pat McPherson

01-18-2006 02:47 PM

Re: 90 7.4L 330 hp questions

Quote:

Originally Posted by cloudmaster_321

Is the cam you used something that can be added without rebuilding with modified pistons/connecting rods. I wouldn't mind doing a cam on mine if i could keep the reliability.

Yes, I did not go crazy. The new cam was probably only worth 25-30HP over stock.
You should change the valve spring with a cam change.
And depending how much more lift, the heads may need to be machined for a different type valve seal.

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