harley-jm Posted November 11, 2008 Share Posted November 11, 2008 Hi I am having a custom prop fabricated to mate a T56 gearbox to an auto TT diff. I also have to change the doughnut but had the question of whether I could leave it out all together. I assume that would be a BAD idea as it must act to cushion driveline shocks to help protect the diff but I wanted to know what other people are doing. Also any ideas about what kind of abuse this doughnut can take before breaking? cheers Paul Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted November 11, 2008 Share Posted November 11, 2008 It's probably there as a mate to the dual mass flywheel, to dampen drive line harmonics. With a T56 the whole harmonics change, so you are probably just as likely to NOT suffer harmonics with or without it. I can't see an issue with keeping it, though, unless this is a drag car. To bin it would mean a custom diff input flange, which could be costly. Quote Link to comment Share on other sites More sharing options...
Terminator Posted November 12, 2008 Share Posted November 12, 2008 With regards to breaking the doughnut, talk to JamieP he has broken two, I believe. I would keep it to give some damping in the drive train. Quote Link to comment Share on other sites More sharing options...
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