DSG clutch slip?
05-02-2011, 07:24 AM
#11
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What BBS wheels are you looking at? Personally I love the look of the CH or CO wheels on Audis. Just sucks that they're not really light. There's a BBS RE that looks like CH, but is way lighter. They weigh 20 lbs in 18" vs. the CH which are 24.5 lbs.
It's cool, I just wanted to clear up what I saw in that video. Now that primetime has said he doesn't feel like it's a slip, on with the discussion on getting him faster!
05-02-2011, 07:43 AM
#12
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It slips on the 2->3 shift under heavy throttle. It's the most reasonable explanation for the behavior that you can clearly see in the APR video and which I've seen on my own car.
05-02-2011, 07:59 AM
#13
No it doesn't... The only delay is in 1st gear at about 4000 RPM's... the car launches hits 4K hesitates a tenth or so and then shifts at redline everytime w/o delay... I am not seeing/feeling the slip so to say...
05-02-2011, 08:05 AM
#14
that will be amazing. Although I bet those DWs in 245 19s are more like 22-23 lbs. Still better than the Dunlops (which are excellent tires...just not great for accelerating)
What BBS wheels are you looking at? Personally I love the look of the CH or CO wheels on Audis. Just sucks that they're not really light. There's a BBS RE that looks like CH, but is way lighter. They weigh 20 lbs in 18" vs. the CH which are 24.5 lbs.
It's cool, I just wanted to clear up what I saw in that video. Now that primetime has said he doesn't feel like it's a slip, on with the discussion on getting him faster!
What BBS wheels are you looking at? Personally I love the look of the CH or CO wheels on Audis. Just sucks that they're not really light. There's a BBS RE that looks like CH, but is way lighter. They weigh 20 lbs in 18" vs. the CH which are 24.5 lbs.
It's cool, I just wanted to clear up what I saw in that video. Now that primetime has said he doesn't feel like it's a slip, on with the discussion on getting him faster!
No problem on the clutch slip questions I appreciate everyones input... I just want to figure out why my trap is down...
https://www.wheelstudio.com/shopping-cart
05-02-2011, 08:05 AM
#15
In due time... one step at a time so to say...
05-02-2011, 09:46 AM
#16
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Maybe your car doesn't do it. Your car seems exceptional in many ways. Nevertheless, watch the APR video. On the 2->3 shift, you can clearly see the RPMs drop to a certain point, hold steady for an instant, then drop a few hundred more as the clutch finally grabs. I guess there are other explanations, but this strikes me as the most likely.
05-02-2011, 09:50 AM
#17
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05-03-2011, 07:02 AM
#18
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If my stockers weighed 26 I would be sad about 5lbs too, but ours weight 23, so that's not so bad a savings. These are not engineered to be LW rotors, only BBK rotors, if he stayed with stock size it would likely be more than 5lbs, I went from stock 245 to BBK 255's and lost 5 lbs while gaining mass. Calipers lost me another 5 lbs with the pads on (larger pads/surface area), so 5 lbs rotational and another 5 lbs unsprung.
1. you need rotors eventually anyway, so it's not much of an added expense
2. you'll save quite a bit more than 5 lbs rotating mass
Saving some unsprung weight on a front BBK with al calipers is pretty much negligible performance wise. It's all about the rotational weight. For example, go pull your 40lb spare (sprung) and race someone. Then put it back in. You'll barely notice a difference. Saving 10 lbs of unsprung with a BBK will be even less of an impact. The rotating weight savings is amazing. My
What do B8 S4 calipers weigh (stock)?
Last edited by sakimano; 05-03-2011 at 07:08 AM.
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