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Pulley whine only at 4k+ RPM. #447923 April 23, 2016 02:49 pm UTC April 23, 2016 02:49 pm UTC
Joined: Aug 2014 Posts: 121 Cornwall, Ontario B Bryan OShaughnessy OP Regular Member
Bryan OShaughnessy OP Regular Member B Joined: Aug 2014 Posts: 121 Cornwall, Ontario	I just put in a new Saturn alternator from RTM racing, all is well except at WOT where I get a "supercharger" like whine from the alt. I adjusted the belt properly with 1/2" lash and it passed the 90 degree twist test so it's definitely not too tight. anyone else experience this? 1989 Dodge Colt GT 4G63T 16G PHP: 1

Re: Pulley whine only at 4k+ RPM. [Re: Bryan OShaughnessy] #448052 April 27, 2016 03:34 am UTC April 27, 2016 03:34 am UTC
Joined: Aug 2014 Posts: 121 Cornwall, Ontario B Bryan OShaughnessy OP Regular Member
Bryan OShaughnessy OP Regular Member B Joined: Aug 2014 Posts: 121 Cornwall, Ontario	Turns out it was a coincidence and had a major boost leak around my j pipe. The alts working great! 1989 Dodge Colt GT 4G63T 16G PHP: 1

Re: Pulley whine only at 4k+ RPM. [Re: Bryan OShaughnessy] #448058 April 27, 2016 11:48 am UTC April 27, 2016 11:48 am UTC
Joined: Apr 2010 Posts: 6,809 Ottawa, ON Mike Eng Senior Member, with Far TOO Much Time on Their Hands
Mike Eng Senior Member, with Far TOO Much Time on Their Hands Joined: Apr 2010 Posts: 6,809 Ottawa, ON	Lol Bryan WTF! '99 GSX GT35R '03 CBR 600RR

Re: Pulley whine only at 4k+ RPM. [Re: Bryan OShaughnessy] #448061 April 27, 2016 12:07 pm UTC April 27, 2016 12:07 pm UTC
Joined: Aug 2014 Posts: 121 Cornwall, Ontario B Bryan OShaughnessy OP Regular Member
Bryan OShaughnessy OP Regular Member B Joined: Aug 2014 Posts: 121 Cornwall, Ontario	Ya, this car has been a Rollercoaster ride lol I guess boost leaks pop up while parked for the winter, go figure! 1989 Dodge Colt GT 4G63T 16G PHP: 1

Re: Pulley whine only at 4k+ RPM. [Re: Bryan OShaughnessy] #448063 April 27, 2016 12:21 pm UTC April 27, 2016 12:21 pm UTC
Joined: Apr 2010 Posts: 6,809 Ottawa, ON Mike Eng Senior Member, with Far TOO Much Time on Their Hands
Mike Eng Senior Member, with Far TOO Much Time on Their Hands Joined: Apr 2010 Posts: 6,809 Ottawa, ON	Holding proper voltage? '99 GSX GT35R '03 CBR 600RR

Re: Pulley whine only at 4k+ RPM. [Re: Bryan OShaughnessy] #448068 April 27, 2016 01:21 pm UTC April 27, 2016 01:21 pm UTC
Joined: Aug 2014 Posts: 121 Cornwall, Ontario B Bryan OShaughnessy OP Regular Member
Bryan OShaughnessy OP Regular Member B Joined: Aug 2014 Posts: 121 Cornwall, Ontario	Ya, charging system is now working 100%. Thanks again for the quick shipping! 1989 Dodge Colt GT 4G63T 16G PHP: 1

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