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Esprit suspension set up


lotuschris

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Hello all

After my S2 Esprit was rebuilt I had the suspension four wheel aligned at Demon Tweeks near me and to be fair there was a big improvment to the handling but I still don't feel it is as Lotus intended. It pulls slightly to the left and the steering does not feel 'right', I would like it set up by someone who knows Esprits. Has anyone got somebody they could recomend, preferably in the North West/ Midand areas but I don't mind traveling.

Regards Chris

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There is a porsche specialist in warrington called Ninemeister who I used to get the suspension geometry etc sorted on my S3Turbo a few years back. They have alll the laser set up equipment and software that seems to have the geometry settings for every car. The car felt significantly better set up afterwards. They were recomended to me by a guy who races Porsches and they apparently have an excellent reputation in the Porsche and wider racing community.

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Try to make sure they have a 'Hunter' machine. It's what they use at the factory and should have the settings for you car already loaded.

88 Esprit NA, 89 Esprit Turbo SE, Evora, Evora S, Evora IPS, Evora S IPS, Evora S IPS SR, Evora 400, Elise S1, Elise S1 111s, Evora GT410 Sport

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Make sure one of your front brakes isn't binding slightly and causing the pull to the left. Check the anti-roll bar for wear too.

I'd make a point of going to a Lotus Specialist of long standing who knows your model. They'll go straight to the problem rather than use trial and error.

This is something I've learnt myself.

Alan

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Had mine measured at the Factory a few years back, and then set up by Paul Matty, who independently came up with the same figures the factory obtained, so I felt confident they did a good job. The car was certainly tons better after.

Regards

Mat

post-1-0302470001278592957.jpg

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I've got two sets of front tyres, one set is very old but even with new tyres the steering tends to 'shimmy'. The tyre pressures are 18psi in the front and 26psi in the rear. I've also found a slight amount of play in the rack, so i'll get that sorted first. Just another couple of questions, there is no play or noise from the wheel bearings and I assume they are the originals, possible cause of shimmy? Also, could the rear tyres cause a problem ?( tyres are as old as the fronts! ) I've just bought some nos. Fuldas for rear so I can eliminate them as a possible problem when I get them fitted.

Regards Chris

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'shimmy' a difficult term to translate,,,,,,,,,,,,,,, but may indicate insufficient castor. Tyre pressures however, without knowing the manufacture and recommended pressure can't make any comment. However, by way of example I run Pirelli 28 front 30 rear. Oh and it tracks as if on rails.

Life is like a sewer, what you get out of it, depends on what you put into it. (Tom Leahrer)

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Chris,

By any chance is your shimmy around 55 mph? It seems to be a somewhat common thing with S2. Esprit. I found that tires and pressures can mitigate this quite a bit (I can barely detect anything now with the Falken Ziex 502s I have on there (no longer made). The original tires were Goodyears and pretty bad, and the VR Gatorback Goodyears after that were better but still had that problem to an extent. (and tire balancing was done a few times and didn't fix it) Not sure if it's a compound or construction thing or even weight. I also notice that in time a lot of Goodyear tires I've had on a variety of vehicles will develop a "whup whup" sound (maddening). I think they tend to flat spot easy and the construction/compounds must be doing it. As for pressure I run about 24 and 30 F/r on my S2. I find the 18 lotus recommended took a lot of strength to steer the car at parking lot speeds and 24 in the front seems to make this much better and handle good too. YMMV or course.

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After my S2 was set up correctly it ran like on rails, no shimmy's etc. I also found once set up, it was extremely sensitive to tyre pressures and anything more than 2 psi off factory was immediately obvious to me at the wheel while driving.

Start off with everything stock factory as per the manual, and then start playing around with the settings. If it was good enough for Lotus, it was good enough for me. Only my own 2p..................

Regards

Mat

post-1-0302470001278592957.jpg

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Agree with above sensitive on pressures, and quickly detectable.

Manufacturers recommendations, ie Lotus ? yes as an indicator, but keep in mind the tires we run these days were not available to the designers of the car back then.

Life is like a sewer, what you get out of it, depends on what you put into it. (Tom Leahrer)

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Thanks for all the replies, the shimmy as I call it is noticeable at 55/60 mph but at 75/80 is much smoother ( good excuse to speed! ). I hope to have the new tyres fitted by the weekend and see what happens. The old tyres are Goodyear NCT's and are probably well knackered by now but they look ok.

Rregards Chris

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