RS LWF & Clutch Fitted And Chassis Detailing

Old 04-10-2012, 07:58 AM
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Default RS LWF & Clutch Fitted And Chassis Detailing

I'm now some way down the slippery slope, but still adamant in not making changes to the stock look externally.

I recently had the RS LWF & Clutch fitted by Porsche Byfleet; as I have the G50-21 gearbox it seemed a wasted opportunity not to do it. The way the car now spins through the revs is so much quicker, as you'd expect, but it also feels a lot faster in 1st or 2nd. It's bloody awesome, but also a bit odd as I didn't expect the difference in perceived performance to be so pronounced. Maybe it is just perceived rather than an actual reduction in acceleration times? I was told that I should see an actual reduction in acceleration times, so I'm keen to run a v-box at some point this summer.

I'd say I've lost some low down torque, but not so much that it's a negative. I can pick up so much more speed when accerating out of corners, making the car feel a lot more lively. Blipping the throttle makes you feel like Steve McQueen's love child....

I'd say it's a no brainer mod like the RS SSK and RS engine mounts, however, it's not cheap with all the other bits that are needed. As many of you will know, there's a grinding noise (gear rattle), which is really noticeable between 1700 and 2000 rpm, especially in 2nd. I read on RL that this is the camshaft accelerating unevenly, caused by each cylinder firing, which transmits through the transmission and causes the gears to rattle. Fortunately I don't have any additional gear noise at idle, which can also happen. This might be due to having new gearbox oil put in at the same time?

The clutch feels lighter and even more positive than before, but the bite is sharper, so I need to really practice this, to avoid looking like Rocky II when he's driving that Trans Am for the first time!

I also had the lower wishbones, lower ball joints and suspension geometry redone at Porsche Byfleet and this seems to have cured front end understeer, especially with a bit more camber added to the front. This might have translated to the back end being more twitchy, but I'll need more time to work out by how much.

Since I saw the underside of Andreas' 993, I was inspired to make a start on detailing the chassis. Still a long way to go, but all I can say is: "Andreas, it's all your fault!" ; )

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Old 04-10-2012, 08:52 AM
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Nice job!

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Old 04-10-2012, 10:31 AM
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I love a clean bottom!
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Old 04-10-2012, 02:34 PM
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Very clean and nice write up about the LWF. I experience the same and the gearbox rattle at idle will surface as soon as your gearbox oil will get hot. It starts to rattle after about an hour into the drive, in my car anyways. Maybe a gearbox oil cooler might help but I don't mind the noise.
It hurts a bit to see the jack under your engine though. I hope you don't raise and lower the vehicle with it. Some people say it's OK but I don't believe it's a good idea, having seen a crack in the bell housing before. Different story but I jack it up one side at the time. I use the rear subframe for the stand and the jacking point for the jack.
Now all you need is to drive the car in the rain once and all your shiny pieces will change all in an instance.
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