mjboehm
15+ Year Contributor
- 229
- 3
- Oct 18, 2006
-
Fort Myers,
Florida
I was wonder what the difference is between the 4g63 turbo head and a 420a n/t head.
Any info would be great.Thanks
Any info would be great.Thanks
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The reason I was asking is that I have a head that fits on my 4g63 block, but my cams fit but when you tighten down the camS they won't spin.Any suggestion would be great.