Discussion
BubblesNW said:
do you want to take the risk of warranty invalidation due to non-OPC parts and settings being cited as the reason for the problems? I wouldn't be willing to take that risk.
Yes I want to take that risk ;-) I live right on the edge me ! how dare I change oem settings lol(I take it you mean OEM parts/settings, not OPC (official porsche centre) ;-p )
Looking forward to meeting up on the 6th should be fun.
Edited by Porsche911R on Thursday 28th April 11:35
Fl0pp3r said:
S1MMA said:
There was a GT4 at Snetterton on Thursday last week, seemed to be going well. Sounded good watching on the pit straight at full whack also, sounded nearly as good as the 997 GT3!
I was at Snetts that afternoon S1MMA - think I remember see you chatting with an older geeza in his white GT4....seemed to be having a good time!! 
I'm not embarrassed to confirm that I could'nt keep the tricked-up MX5's with their slicks and experienced drivers behind me in the twisties! Circuit knowledge and experience count for a lot in terms of relative pace I agree. That, plus i think its only sensible to leave a little margin for safety in the 7.2 - I can't just go buy another one on ebay if it gets wrecked!!!
I can't remember chatting to the GT4 owner, but did chat to a number of people inc the chap in the 1M.
Safety margin does go through my head also(talent limits permitting), how difficult would it be to replace an original panel 7.1 GT3 these days! The amount of new parts my car has had in the past few years - would be impossible to find another like it.
S1MMA said:
Fl0pp3r said:
S1MMA said:
There was a GT4 at Snetterton on Thursday last week, seemed to be going well. Sounded good watching on the pit straight at full whack also, sounded nearly as good as the 997 GT3!
I was at Snetts that afternoon S1MMA - think I remember see you chatting with an older geeza in his white GT4....seemed to be having a good time!! I'm not embarrassed to confirm that I could'nt keep the tricked-up MX5's with their slicks and experienced drivers behind me in the twisties! Circuit knowledge and experience count for a lot in terms of relative pace I agree. That, plus i think its only sensible to leave a little margin for safety in the 7.2 - I can't just go buy another one on ebay if it gets wrecked!!!
I can't remember chatting to the GT4 owner, but did chat to a number of people inc the chap in the 1M.
Safety margin does go through my head also(talent limits permitting), how difficult would it be to replace an original panel 7.1 GT3 these days! The amount of new parts my car has had in the past few years - would be impossible to find another like it.
Yeah I saw the owner of the GT4 in the pit lane, lovely old chap (am guessing retired), and i remember thinking 'he's enjoying his retirment' - I hope that's me in a few years!! ;-)
I do have faith (mostly) that the guys on track with us know what they're doing, and in the main you are far less likely to have a prang on the circuit than on the road, but occasionally you do come across the odd pillock in a Vectra who thinks its ok to overtake up the right hand side in a braking zone, but once you've identified them you can just 'steer clear' can't you! Anyway if I wasn't going to track her, i'm not sure there'd be as much point having it at the end of the day. Probably still would though as its lovely on the road too!!
Give us a shout next time you're heading Snetts/Bedford/Brands way and I'll look out for you.
After 1500 miles these were my car's settings from standard:
Front camber -1.24 / -1.36
Front toe -0.08 / +0.15
Rear camber -1.36 / -1.12
Rear toe +0.07 / + 0.08
Modified to:
Front camber -1.36 / -1.36
Front toe +0.02 / +0.02
Rear camber -1.18 / -1.18
Rear toe +0.10 / +0.10
We did not drop the ride height (which would have given a little more adjustment) and we allowed the maximum toe to dictate the final negative camber settings so as to put a little heat into the tyres for winter track days.
I've run this with both PSC2's and PSS's and although there has been some small amount of shoulder wear, it has been much less than that using PSS's on my Cayman R with more negative camber. I wonder if this is because the whole chassis is working better ?
My view of mods is that it's a prospectively slippery slope !! But I am not against it .. My 964RS N-GT had Cup front dampers / motec / larger fuel injectors / AP rod bolts / cat bypass / silencer box 1 bypass (cup ?) / and a wills tip to bring it in at just under 105 dB !! That had 330 bhp and around 305 ft lbs torque ...
Now I try to go fast because of me
Bring it on ... learning
Front camber -1.24 / -1.36
Front toe -0.08 / +0.15
Rear camber -1.36 / -1.12
Rear toe +0.07 / + 0.08
Modified to:
Front camber -1.36 / -1.36
Front toe +0.02 / +0.02
Rear camber -1.18 / -1.18
Rear toe +0.10 / +0.10
We did not drop the ride height (which would have given a little more adjustment) and we allowed the maximum toe to dictate the final negative camber settings so as to put a little heat into the tyres for winter track days.
I've run this with both PSC2's and PSS's and although there has been some small amount of shoulder wear, it has been much less than that using PSS's on my Cayman R with more negative camber. I wonder if this is because the whole chassis is working better ?
My view of mods is that it's a prospectively slippery slope !! But I am not against it .. My 964RS N-GT had Cup front dampers / motec / larger fuel injectors / AP rod bolts / cat bypass / silencer box 1 bypass (cup ?) / and a wills tip to bring it in at just under 105 dB !! That had 330 bhp and around 305 ft lbs torque ...
Now I try to go fast because of me
Bring it on ... learning
mine after today:
After 1100 miles these were my car's settings from standard:
Front camber -1.29 / -1.24
Front toe -0.01 / +0.01
Rear camber -1.28 / -1.24
Rear toe +0.09 / + 0.03 (that 0.03 cause my car to snap under very hard brakes !!! )
Modified to: I went a bit more aggressive
Front camber -2.10 / -2.10
Front toe +0.00 / +0.00
Rear camber -1.49 / -1.49
Rear toe +0.11 / +0.11
Front ARB: Middle
Rear ARB : Full Stiff
this setting also increased front track 16mm over oem.
This did need shims upfront after market rear toe links and extra shims in the rear !
After 1100 miles these were my car's settings from standard:
Front camber -1.29 / -1.24
Front toe -0.01 / +0.01
Rear camber -1.28 / -1.24
Rear toe +0.09 / + 0.03 (that 0.03 cause my car to snap under very hard brakes !!! )
Modified to: I went a bit more aggressive
Front camber -2.10 / -2.10
Front toe +0.00 / +0.00
Rear camber -1.49 / -1.49
Rear toe +0.11 / +0.11
Front ARB: Middle
Rear ARB : Full Stiff
this setting also increased front track 16mm over oem.
This did need shims upfront after market rear toe links and extra shims in the rear !
Been out for a run, the car is transformed, it now goes where I ask it and no push at the slightest bend, instead you want to push :-)
OEM settings were really a poor effort from Porsche imo for a GT car.
I stated the PEC cars were meh back last June, and my car never wowed me at all, but now it feels proper GT.
If you own a GT4 do yourself a favor and get off the oem setup. you will need a bag of shims and some rear toe links but it will pay you back 10 fold in how it feels.
I see Tim has his track hack booked in for extreme parts next Tuesday, going all monoball CUP parts all round.
Why Porsche dumb down GT cars is very odd.
I am not saying my setup is how it will end up, it's a 1st attempt, but no one has any GT4 UK track data yet, so you have to take a punt some where as a starting point.
And not many people seem to be doing much on set ups yet !
OEM settings were really a poor effort from Porsche imo for a GT car.
I stated the PEC cars were meh back last June, and my car never wowed me at all, but now it feels proper GT.
If you own a GT4 do yourself a favor and get off the oem setup. you will need a bag of shims and some rear toe links but it will pay you back 10 fold in how it feels.
I see Tim has his track hack booked in for extreme parts next Tuesday, going all monoball CUP parts all round.
Why Porsche dumb down GT cars is very odd.
I am not saying my setup is how it will end up, it's a 1st attempt, but no one has any GT4 UK track data yet, so you have to take a punt some where as a starting point.
And not many people seem to be doing much on set ups yet !
I've so far been using std settings - well we pushed it out as much as possible with oem parts...which is only a few minutes and still within the std green range. Although the car is quick, on circuit definitely wearing out front outer edges. Plus you lose a bit of feel in the corners as the contact patch reduces on std camber.
...as I previously posted, you can drive around some of the above, but a better geo should definitely help. Will get to it soon.
...as I previously posted, you can drive around some of the above, but a better geo should definitely help. Will get to it soon.
Porsche911R said:
Been out for a run, the car is transformed, it now goes where I ask it and no push at the slightest bend, instead you want to push :-)
OEM settings were really a poor effort from Porsche imo for a GT car.
I stated the PEC cars were meh back last June, and my car never wowed me at all, but now it feels proper GT.
If you own a GT4 do yourself a favor and get off the oem setup. you will need a bag of shims and some rear toe links but it will pay you back 10 fold in how it feels.
I see Tim has his track hack booked in for extreme parts next Tuesday, going all monoball CUP parts all round.
Why Porsche dumb down GT cars is very odd.
I am not saying my setup is how it will end up, it's a 1st attempt, but no one has any GT4 UK track data yet, so you have to take a punt some where as a starting point.
And not many people seem to be doing much on set ups yet !
I know you like others to share their settings, look to forward to hearing yours. Thanks.OEM settings were really a poor effort from Porsche imo for a GT car.
I stated the PEC cars were meh back last June, and my car never wowed me at all, but now it feels proper GT.
If you own a GT4 do yourself a favor and get off the oem setup. you will need a bag of shims and some rear toe links but it will pay you back 10 fold in how it feels.
I see Tim has his track hack booked in for extreme parts next Tuesday, going all monoball CUP parts all round.
Why Porsche dumb down GT cars is very odd.
I am not saying my setup is how it will end up, it's a 1st attempt, but no one has any GT4 UK track data yet, so you have to take a punt some where as a starting point.
And not many people seem to be doing much on set ups yet !
Mr 911R
Interested you have stiffened the rear ARB as opposed to softening the front? Any reason?. Looks like you are trying to add Front grip with (neg) Camber and reduce rear with bar, but then you have added rear (neg) camber as well, which would add grip.
By no means judging it as haven't driven it so interested in what this achieves.I felt a softer front bar might be all the car needs interested if you tried that
Thanks
Interested you have stiffened the rear ARB as opposed to softening the front? Any reason?. Looks like you are trying to add Front grip with (neg) Camber and reduce rear with bar, but then you have added rear (neg) camber as well, which would add grip.
By no means judging it as haven't driven it so interested in what this achieves.I felt a softer front bar might be all the car needs interested if you tried that
Thanks
Jeweller70 said:
Mr 911R
Interested you have stiffened the rear ARB as opposed to softening the front? Any reason?. Looks like you are trying to add Front grip with (neg) Camber and reduce rear with bar, but then you have added rear (neg) camber as well, which would add grip.
By no means judging it as haven't driven it so interested in what this achieves.I felt a softer front bar might be all the car needs interested if you tried that
Thanks
The front of the car rolls too much imo which then needs even more camber if you go softer on the ARB !! I want as less camber as I can get away with but as much traction out the bends, My rear is well down on camber vs the USA set ups. I'll know more after a track day and a pyro session.Interested you have stiffened the rear ARB as opposed to softening the front? Any reason?. Looks like you are trying to add Front grip with (neg) Camber and reduce rear with bar, but then you have added rear (neg) camber as well, which would add grip.
By no means judging it as haven't driven it so interested in what this achieves.I felt a softer front bar might be all the car needs interested if you tried that
Thanks
my on road corner speeds are up 20mph already on my test route with tighter bends with no push like before and good traction out.
Porsche911R said:
my on road corner speeds are up 20mph.
Its fabulous you're so enthused about the GT4 and you do make me LOL occasionally matey! Make sure you don't do that in a 30 mph limit 
Whats a shim by the way? A spacer? Can you post a pic of the toe links too. Read the stuff on interest you gave me a link to. Very impressed they're already getting so much more power out of the engine. Priced very well too.
9e 28 said:
Its fabulous you're so enthused about the GT4 and you do make me LOL occasionally matey! Make sure you don't do that in a 30 mph limit
Whats a shim by the way? A spacer? Can you post a pic of the toe links too. Read the stuff on interest you gave me a link to. Very impressed they're already getting so much more power out of the engine. Priced very well too.
shims or spacers in all sizesWhats a shim by the way? A spacer? Can you post a pic of the toe links too. Read the stuff on interest you gave me a link to. Very impressed they're already getting so much more power out of the engine. Priced very well too.
I went tarret toe links but knowing what I know now would go Porsche CUP toe link. which can go 40mm longer over the fix oem GT4 one
they prob use this part on the GT4 CS race car at a guess also.
Edited by Porsche911R on Friday 29th April 17:46
Just picked up my car after leaving it at the dealers for two weeks while I was away on business. Asked them to soften the from arb as I had noticed under steer setting in when pushed hard and particularly in the wet.
I am certainly no driving God and have not tracked the car, but on the road I can feel the difference of this simple change. Car turn differently and seems to steer more from the middle and rear. The car also feels a little looser and was pushing gently sideways when lightly provoked. I need more time with the car to learn the new characteristics but I am surprised at the difference this change seems to have made.
Once I get used to it for me the next change would be to harden the rear arb and then maybe look at some other suspension mods. As I say, it is for road use so I'm not looking for ultimate track day set up
I am certainly no driving God and have not tracked the car, but on the road I can feel the difference of this simple change. Car turn differently and seems to steer more from the middle and rear. The car also feels a little looser and was pushing gently sideways when lightly provoked. I need more time with the car to learn the new characteristics but I am surprised at the difference this change seems to have made.
Once I get used to it for me the next change would be to harden the rear arb and then maybe look at some other suspension mods. As I say, it is for road use so I'm not looking for ultimate track day set up
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