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T16 · 15th September 2018, 19:25

Even American cars/Mustangs don't sound like that as standard.

As mentioned, to get that sound Americans fit "lumpy" cams, which allegedly are a performance enhancement higher up in the rev range, but have that detrimental effect on idle.

15th September 2018, 19:25	#12
T16 I really should get out more....... ZT CDTi 135, ZT260SE Join Date: Feb 2011 Location: Dundee Posts: 2,877 Thanks: 10 Thanked 331 Times in 213 Posts	Even American cars/Mustangs don't sound like that as standard. As mentioned, to get that sound Americans fit "lumpy" cams, which allegedly are a performance enhancement higher up in the rev range, but have that detrimental effect on idle.