FRPP L/S with carbon plate noise???
Just got a "Cobra" diff installed and have driven it 40 miles. While coasting, the ass end sounds like a deck of playing cards in a bicycle wheel, and the ride doesn't seem quite as smooth as when giving it gas. Is this normal? I used Royal Purple 75-140, which is already suppose to have an adequate amount of friction modifier. I even drove it in circles both ways several times. It's loud enough it's embarrassing. Any ideas? :help:
...maybe because they didn't soak the friction plates in FM due to the RP? |
Did ya try backing up in circles? I'm thinking the shop put in the L/S wrong, it shouldn't sound like that, especially going straight, they should have no reason AT ALL to be making friction. Are you sure it's the clutches?
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Originally Posted by McLovin
(Post 3190121)
Did ya try backing up in circles? I'm thinking the shop put in the L/S wrong, it shouldn't sound like that, especially going straight, they should have no reason AT ALL to be making friction. Are you sure it's the clutches?
I didn't try reverse. It sure sounds like it to me, but this is my first L/S. I've gotten it to go away temporarily until I give it gas again, then it usually comes right back. There were concrete wall separators in the median the whole way home, (reflecting the sound) and I was running 60-80. It's most noticeable when going about 25 MPH. BTW, I used Royal Purple, so it should be good to go on FM. |
Take er back to the shop and have them look over their work, and replace the Royal Purple that is in there.
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Well, figured it out. It was doing it something fierce this morning on the way to work and the truck was shaking like crazy. I turned around and took the ol lady back home so she could drive herself to work safely. I decided to go ahead and drive to work, then when the shop opened I would take it in, and have the rest of the day off. Well, it quite doing it about half way to work, so I drove it around the city for a while to see if I could get it to act up again, and it was fine. I called to make them aware of the situation and they said to watch it, and to call if it comes back. Well, not 5 minutes later, I launched a wheel!!! :eek: Thank god it missed everyone and took out a stop sign. The shop screwed up and are taking care of everything. Ruined the aftermarket wheel, rotor, and the rotor "dust cover" deal.
I am already well aware that you CAN NOT get ANYTHING done right, no matter the cost or the laborer, so I very carefully chose the shop. They deal primarily in exotics like Vipers, Cobras, C6 / Z06, even Lotus...so I thought it was all good. Just another lesson learned I guess. It could have been BAD. |
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