SC couplers

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Feb 17, 2020 | 11:56 PM

d a

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Joined: Jul 2013

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From: San Antonio

SC couplers

Which supercharger coupler is quieter? the OEM w/spring or the aftermarket solid coupler? Also, does anyone have data on how long before the aftermarket solid coupler would need changing? Most say the OEM coupler needs changing at around 80K miles.

Feb 18, 2020 | 12:52 AM

u102768

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From: New Zealand

Quote:

Originally Posted by d a

Also, does anyone have data on how long before the aftermarket solid coupler would need changing? Most say the OEM coupler needs changing at around 80K miles.

My '10 XKR needed a new coupler at less than 17,000 miles.

Feb 18, 2020 | 09:06 AM

JagRag

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From: Earth

Mine needed to be done at 39,000 miles.

Feb 18, 2020 | 11:29 AM

80sRule

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From: MI

Quote:

Originally Posted by d a

Having had both designs in my XJR and both in a Pontiac GP GTP; I find the OEM spring loaded coupler quieter and I'm happy to pay the $50-70 I've found them at. My XJR needed it at 90k, my XKR Convertible still sounds good at 110k, and my GTP needed it at about 145k.