Quote:
Originally Posted by The Fixer
Thank you for the great advise, new to 928s.
I already removed the cat and the y pipe did add some power.
Trying to lighten it.
Compared to a '86 911 Carrera motor it feels like there is a flat spot in power curve in my '83 US models
I think cams and headers are the way to go.
Thanks
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Where is the flat spot? Range?
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1980 AUTO Synergy Green Metallic / Black & Grey ( my son's)
1989 Auto Slate Grey Metallic / Cashmere & Black (mine)
1982 5-speed White / Black sport seats ( brothers )
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