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90 7.4L 330 hp questions

 
Old 01-18-2006, 02:47 PM
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Default Re: 90 7.4L 330 hp questions
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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