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MMR SFI Pro Damper Harmonic Balancer for 2011-2015 5.0 Coyote Mustang and F150

Mod Mustang Racing

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Inigo

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Has this been tested or validated to reduce vibrations more effectively than the factory damper?
 
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Mod Mustang Racing

Mod Mustang Racing

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Yes, the elastomer that this uses is a proven material to reduce harmonics and used by companies such as ATI, they are also meet SFI certification.
 

gsxr1300

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anyone here install this?
 

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any underdrive sizes? i used to work at motorville and we sold a lot of the austrailian crank pulleys and timing chains.
 

Kahboom

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How much lighter is this pulley compared to the stock one?
 

gsxr1300

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"The ATI is about 12 lbs, the MMR is 8.5, the factory is 11 lbs"
 

Kahboom

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Well I'll just have to add this too the list of things to get soon.
 

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gsxr1300

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Mine is installed!
 

gsxr1300

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I had it installed with billet oil pump, crank gears, new Whipple injectors and tune. Engine feels very smooth.
 

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1. Does this work with the stock water pump pulley? I notice ATI says theirs does not and requires a matching water pump pulley or electric water pump.
2. Is there any chance in getting a stud long enough that a nut & washer could drive it on rather than using a twisting motion on the threads in the crank with a bolt to install? Then just use the bolt to retain it once it's seated. I'd pay extra for that! I believe it's 12mm x 1.5, I haven't had any luck locating threaded rod in that size.
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