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10-12-2008, 10:00 PM
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#1 (permalink) |
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2008 Exige S 240 KUWAIT
Join Date: Mar 2008
Location: Kuwait
Posts: 54
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Shift Lag
Shifting through all the gears there seems to be a slight lag. I would like to know if anyone has this problem?? I was guessing it was the clutch as I let most of my friends use my car... but then I remembered that it was just about the same when I first received the car. I tried switching off the traction control but there was the same effect. Help?
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10-13-2008, 06:25 AM
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#4 (permalink) |
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McLareghini Bugatterrari
Join Date: May 2006
Location: Texas
Posts: 6,845
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Were you used to driving an S2000 or a Miata prior to the Lotus? They have the best production car shifting of all, and if you're spoiled to them, your expectations are just too high.
For upshifts, your throttle pedal should come up as your clutch pedal goes down. This lets the engine wind back down and reduces the work required by the synchros. For downshifts, you'll need to read about and then practice rev matching and heal/tow shifting. It has been reported many times that swapping out the transmission oil for Redline MT90 helps to improve the shifting feel. xtn
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2006 McLareghini Bugatterrari, Storm Titanium... <mods> installed: air horn, Scroth 4-point ASM harnesses, Sector111 halon extinguisher and mounting bracket, Von Hep exhaust and rear panel delete, Pagid brake pads, red Volks CE28n wheels, Toyo RA-1 tires, Nitron SA coilovers, Sector111 (WorksBell) quick-disconnect steering wheel kit. awaiting installation: Scroth "pull-up" lap belts, Sector111 RTD Brace, Tony's heater bypass mod, and dropped steering rack mounting plates. </mods> |
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07-02-2009, 03:38 AM
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#6 (permalink) |
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2008 Exige S 240 KUWAIT
Join Date: Mar 2008
Location: Kuwait
Posts: 54
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Changed the engine mounts to track mounts, added the gear enforcer and still there is a lag at high rpms... the clutch seems to be OK but i just ordered a new but i doubt it will help.
Anyone fine a way to resolve this? |
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07-02-2009, 03:41 AM
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#7 (permalink) |
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McLareghini Bugatterrari
Join Date: May 2006
Location: Texas
Posts: 6,845
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I doubt a new clutch will help at all.
It just takes a bit for the synchros in the transmission to do their job. xtn
__________________
2006 McLareghini Bugatterrari, Storm Titanium... <mods> installed: air horn, Scroth 4-point ASM harnesses, Sector111 halon extinguisher and mounting bracket, Von Hep exhaust and rear panel delete, Pagid brake pads, red Volks CE28n wheels, Toyo RA-1 tires, Nitron SA coilovers, Sector111 (WorksBell) quick-disconnect steering wheel kit. awaiting installation: Scroth "pull-up" lap belts, Sector111 RTD Brace, Tony's heater bypass mod, and dropped steering rack mounting plates. </mods> |
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07-02-2009, 05:35 AM
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#9 (permalink) |
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Denuo Volatilis
Join Date: Jun 2008
Posts: 2,715
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...you're always going to experience a slight delay as the synchro matches transmission revs between your axle and flywheel - that's the case with any modern street car, and some do so more transparently than others, but the alternative racing gearbox is very difficult to drive outside its native environment...
...as noted above, careful rev-matching can help the synchro to do its job considerably more quickly... ...does the 2-eleven have a different transmission from the elise/exige?..i honestly don't know, but if it doesn't, there shouldn't be a significant difference between the shifter feel in either car...
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2005 Federal Elise | Touring | Storm Titanium ...73,000 miles and aging beautifully... 2000 New Beetle | Turbo | Reflex Silver ...107,000 miles of steadfast service... |
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07-02-2009, 07:52 AM
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#10 (permalink) |
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Registered User
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I just put Redline MT90 in my transmission. Made a nice difference, not huge. After 15500 or so miles, the original oil was smelly and had some metal filings in it. The synchros were noisy too. Now they are quieter, shifting is easier. Worth the effort.
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2005 Elise in Racing Green with the touring pack 2007 MINI Cooper S in Sparkling Silver 2001 BMW Z3 Coupe in Sapphire Black (sold) 2002 MINI Cooper in yellow (sold) 1996 BMW Z3 Roadster (Racing Dynamics version) (sold) Founder of the Racing Green Confederate |
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07-02-2009, 08:56 AM
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#12 (permalink) | |
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OOTAH
Join Date: Oct 2007
Location: SLC UT
Posts: 106
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Quote:
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07-02-2009, 09:30 AM
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#13 (permalink) |
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the designer
Join Date: Nov 2005
Location: Ohio
Posts: 768
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In my s240 I get a shift lag also...at first it felt like the rubber pad on the bottom of the clutch peddle was sticking but realized it was just that kind of feeling from the delay of engagement. Kinda sucks.
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2008 Exige S 240 For Sale: 2005 stock shifter console and change holder. PM if your interested. |
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07-04-2009, 09:00 PM
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#14 (permalink) | |
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Registered User
Join Date: Nov 2007
Location: Dallas, Texas
Posts: 621
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Quote:
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Click links to see my 2008 Lotus Exige-S 240 , '99 M3, 505rwhp '89 Mustang (
sold) , '05 WRX STI ( sold) homepages or here for my M3 vid (11MB) |
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07-06-2009, 12:59 AM
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#17 (permalink) |
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Mountain Road Nut
Join Date: Mar 2004
Location: Ramona,CA
Posts: 2,292
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I also recommend the clutch pedal elevated stop modification. The throw of the clutch pedal is much longer than it needs to be compared to where the engagement point is. Once I put the stop under the petal, the clutch operation was a lot more predictable.
I used the version of the modification that replaces the bolt on the wall in front of the clutch pedal with a longer one and a nut to set the bolt standoff while still having the bolt perform its orginal function of holding a bracket in place. It is posted somewhere at this forum. |
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