2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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Location: Camp Lejeune, North Carolina and Fort Lauderdale, Florida
Yet another supercharger speculation...
Just did a little research and wanted some input...
I'm running a 108" belt right now on my S/C...apparently the 3.4 pulley calls for a 107.3" belt...
When I run my A/C, it squeaks at low speed...and once in a while, without the air on, it will squeak anyways but at speed, its gone.
Does anyone here think that A) the belt difference of .7" can cause the squeak? and B) can the belt difference cause the loss of a couple lbs of boost from the Saleen S/C? (remember, I only made 3.5psi with a 3.4 [supposed to be 9psi] pulley)?
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2006 Saleen S/C'd Mustang GT
Hot Rod Cams, 4.10s, Boost Brothers LTs w/ O/R X-pipe, Magnaflow axlebacks, Brenspeed tune, BBS ASA 18" Rims, Steeda lowering springs, Hurst Shifter
belt slip can lose boost bc you are not spinning the SC as much as it should.
do you have belt slip? idk.
you can use the same size belt for different size pullies, i have a belt setup for a 3.8 belt, but i am using a 3.5 and it works just fine.
the squeak can also be one of your pullies or bearings in the pullies.
i would check the alt pulley first and then the idler pulleys.
it is not uncommon for our stock pullies to squeak with the increased load of a SC.
i know mine did and i switched to an 8 rib belt and pulleys, and it stopped the squeak.
you should look for wear on the belt if you suspect belt slip.
the belt would most likely slip at higher rpms, so it would make power until it starts slipping.
unless it slips right off the bat.
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