View Full Version : Are all drive couplers created equal?
d1mbu1b
10-09-2006, 07:36 AM
Is it ok to use a volvo drive coupler from a 4 cyl on a 500hp motor?
If not, what couplers are recommended?
Do high poerformance couplers exist?
If so, what are the benefits?
BigGrizzly
10-09-2006, 02:07 PM
There is a High performance coupeler. Osco Or Keith Eikert or CP performance should. Howerer Volvo may have one that is for a V8 which will work.
FlynLow
10-11-2006, 07:57 AM
Mercruisers use different ones for 4s & 8s, also from Alpha to Bravo. I hear couplers go from mis-alignment. HP tears up the Drive.
Forrest
10-16-2006, 10:15 AM
Volvo does make a few different couplers for their AQ models (ie: AQ 250-290, DP, DPX) depending on HP, flywheel size, and spline count. If you plan on using your existing coupler, I would recommend that you take it to your local clutch rebuilder and have them beef it up with new and heavier springs. It usually costs about $60 for the job.
Volve SX couplers use a rubber bushing type coupler like many Mercrusier models and cannot be modified. Also, I'm sure that Volvo SX couplers are all the same except for the mounting-bolt pattern. Like the Mercruiser, the Volvo SX drive must be properly aligned in order for the coupler to survive.
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