Exhaust Vernier Pulley for ST170
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Joined: Feb 2008
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From: Leicester
I got a cfm exhaust cam pully. Buy one direct from the states or puma speed. Any garage with a rolling road can set it up for you. Mines set 8degreed retarded
I've found that life I needed.. It's HERE!!
iTrader: (1)
Joined: Feb 2008
Posts: 1,274
Likes: 2
From: Leicester
Fitted mine when i did the cam belt, you have to slacken off the pulleys to do this so it was no extra bother.
Results were very noticable, it did effect low down performance as to be expected so gets a little bogged down when trying to launch hard but the engine now loves to be revved right up the top of the rev range. i saw another 10mph in 6th after the exhaust cam timing was changed.
Results were very noticable, it did effect low down performance as to be expected so gets a little bogged down when trying to launch hard but the engine now loves to be revved right up the top of the rev range. i saw another 10mph in 6th after the exhaust cam timing was changed.
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