The new 991 C4S!!
Thread Starter
|
Registered User
Joined: Feb 2010
Posts: 1,810
Rep Power: 321
I like to order all of them! 
One can read all about the reviews on tires, but just have to try them out to get the full appreciation. If this forum is being monitor, for the record, I have no relationship with Sid, I have no idea what he is writing about half the time. I am talking about 991.
One can read all about the reviews on tires, but just have to try them out to get the full appreciation. If this forum is being monitor, for the record, I have no relationship with Sid, I have no idea what he is writing about half the time. I am talking about 991. 
Hahahahahaha.. . pweeeeeeeeehy!!Hahahahaha pfewwwwwwwwwww...oh man you guys make me laugh hehehehe... damn I'm actually crying pfffffffffh.
Registered User
Joined: Jun 2012
Posts: 47
From: Houston
Rep Power: 15
So what you are saying Sid, is that the Pirelli's are the only tires that match the OEM wheels. The other options really push the limits of capability possibly warranty. Thats not a good situation because I was thinking of moving to the Michelin's for everyday use (noise control) once I wear my P0s. I haven't even starting thinking about the track and winter. Winter will buy OEM 19" wheels with probably Michelin winter tires. For the track I am looking at 19" wheel options with Yoko rubber.
Does this make sense? Or am I off base???
Does this make sense? Or am I off base???
If it's a C2, you have a little more leeway with regard to tire sizes than you will if it's a C4, since in addition to all the other things Sid and I mentioned in our posts, you also have to take into account the differential sending power to the front.
I have no experience with awd sports cars, but I imagine that keeping the diff spinning at the normal ratio front to back might present some warranty hurdles. Short answer, if you plan to track a C4, be sure to get some advice on that.
And as a general heads up to everyone, tracking 20" tires will get very expensive, very quickly. Unless you're really good, really rich, or are funding your endeavor with someone else' money, there's a reason why lots of folks choose to burn Korean rubber on smaller wheels over French or Italian.
Owning a Porsche implies a certain socio-economic status, and none of us are poor, I'm just saying that OEM rubber is not going to hold up against an enthusiastic track day.
Registered User
Joined: May 2008
Posts: 973
From: North Vancouver, BC
Rep Power: 63
I'm guessing that once there are a number of C4S's on the road that the 305 rear tires will become more available. Also, those with C2S's with Sport Techno wheels have the same issue.
The issue of tire sizes on AWD Porsche's is talked about ad nauseum on the 996 TT forum. You have to keep the circumference of the front and rear within certain tolerances or you get problems at the front with the AWD system. From memory, which isn't working too well today, I think you have to have to be within 3%?
I know the 305's are going to be expensive but after paying $800+ twice for replacement run flats on my BMW 650's I think I'm over sticker shock on tires.
John in Vancouver
The issue of tire sizes on AWD Porsche's is talked about ad nauseum on the 996 TT forum. You have to keep the circumference of the front and rear within certain tolerances or you get problems at the front with the AWD system. From memory, which isn't working too well today, I think you have to have to be within 3%?
I know the 305's are going to be expensive but after paying $800+ twice for replacement run flats on my BMW 650's I think I'm over sticker shock on tires.
John in Vancouver
Registered User
Joined: Jul 2008
Posts: 637
From: Toronto
Rep Power: 49
Hehehehe I'm not sure about the "smart kid" but with a motto of "question everything" I sure have found some things out the hard way!
That said, my pleasure... now lets hope I don't blow up the basement while I'm at it...oh the stories I could tell!
Cheers!
Right now the only ones producing stock tire sizes for the C4S (305's rear) are Pirelli and Bridgestone (Potenza S001), the latter (until very recently) used to have a tread depth of only 7/32" (at 3 to 4/32 it's time to put new ones on soooo 7/32 is not much to start with).
However they have revised their design (I hope it's not just the spec info
) to 10/32" which is actually more than most performance tires (generally 8/32" to 9/32").
For the 20" 295 rear it's Pirelli and Michelin now has the PSS's avaiable as well.
The 19" tires there's many many more choices out there.
Contact Damon from the tirerack right here on 6 or check it out for yourself http://www.tirerack.com/tires/TRSele...akeAndYear.jsp
For winter I highly recommend the Michelin Alpine's, they come in 295 20" and are amazing on both snow and icy surfaces.
Do not get the Pirelli's! seriously they suck because they are designed to handle well in low temps and on ice... and are truly terrible in any kind of snowy, slushy winter weather... lets not even talk about getting out of a parallel parking spot!
For the track... Damon told me Toyo makes the R888 in 315 20's now so I'd definetly go with those as I find the R888 the best suited for this type of duty.
But like everything else in life, these are all personal opinions...OK based on personal experience and research but highly subjective so in the end you may find something els works better for you.
I'm refering to the Dunlop SportMaxx GT and I'd say these are not the best tire to get for tracking... double duty (street & track) I'd say it's probably a good tire but the Michelin PSS with it's multiple compounds and thus multiple UTQG grading would be better than the Dunlop... it's just the size which might cause an issue up front (and perhaps in back).
The good thing for you would be that those 265/35R20 335/30R20's look VERY much like racing slicks!
Which is awesome on a coupe!
For me it's something I'm really not sure of because I've got a cab... and as much as I'm going to add race inspired design elements to make it look more aggressive it will be purely for the sleek, mean, sexy look by taking design elements from other 991 models and adding them to my C4S cab.
The black will also make everything blend more and play the race derived design down (openings etc don't stand out as much).
So putting a GT3 front bumper, GT3RS lip, GT2 sideskirts and a turbo rear bumper + wing (all in black) will make it look mean and sexy but not like a "track car"... adding tires that look like slicks might be the equivalent of doing a full GT3 cup car paint job... thus turning a sleek sexy black cab into a "track poser"!
Not what I'm looking to do... AT ALL!
But on a coupe, that you actually do track...it would look awesome!!!
All that said... for pure track performance I'd say (as mentioned above) go with the 20" 315 R888.
Here's some shots of the type of "look" the 265 & 335 Michelin PSS's would give you on 20" rims.
Try just to look at the tires though because these are 19's with tires less wide than 335's and on wheels with very, very thick conventional track rims (which I don't necessarily think suit the design of the 991) but it in this case I do actually like how it looks!
Anyway it gives you a pretty good idea of the overall impact of the PSS "slicks" design.
Cheers!
That said, my pleasure... now lets hope I don't blow up the basement while I'm at it...oh the stories I could tell!
Cheers!
Right now the only ones producing stock tire sizes for the C4S (305's rear) are Pirelli and Bridgestone (Potenza S001), the latter (until very recently) used to have a tread depth of only 7/32" (at 3 to 4/32 it's time to put new ones on soooo 7/32 is not much to start with).
However they have revised their design (I hope it's not just the spec info
) to 10/32" which is actually more than most performance tires (generally 8/32" to 9/32").For the 20" 295 rear it's Pirelli and Michelin now has the PSS's avaiable as well.
The 19" tires there's many many more choices out there.
Contact Damon from the tirerack right here on 6 or check it out for yourself http://www.tirerack.com/tires/TRSele...akeAndYear.jsp
For winter I highly recommend the Michelin Alpine's, they come in 295 20" and are amazing on both snow and icy surfaces.
Do not get the Pirelli's! seriously they suck because they are designed to handle well in low temps and on ice... and are truly terrible in any kind of snowy, slushy winter weather... lets not even talk about getting out of a parallel parking spot!
For the track... Damon told me Toyo makes the R888 in 315 20's now so I'd definetly go with those as I find the R888 the best suited for this type of duty.
But like everything else in life, these are all personal opinions...OK based on personal experience and research but highly subjective so in the end you may find something els works better for you.
I'm refering to the Dunlop SportMaxx GT and I'd say these are not the best tire to get for tracking... double duty (street & track) I'd say it's probably a good tire but the Michelin PSS with it's multiple compounds and thus multiple UTQG grading would be better than the Dunlop... it's just the size which might cause an issue up front (and perhaps in back).
The good thing for you would be that those 265/35R20 335/30R20's look VERY much like racing slicks!
Which is awesome on a coupe!
For me it's something I'm really not sure of because I've got a cab... and as much as I'm going to add race inspired design elements to make it look more aggressive it will be purely for the sleek, mean, sexy look by taking design elements from other 991 models and adding them to my C4S cab.
The black will also make everything blend more and play the race derived design down (openings etc don't stand out as much).
So putting a GT3 front bumper, GT3RS lip, GT2 sideskirts and a turbo rear bumper + wing (all in black) will make it look mean and sexy but not like a "track car"... adding tires that look like slicks might be the equivalent of doing a full GT3 cup car paint job... thus turning a sleek sexy black cab into a "track poser"!
Not what I'm looking to do... AT ALL!
But on a coupe, that you actually do track...it would look awesome!!!
All that said... for pure track performance I'd say (as mentioned above) go with the 20" 315 R888.
Here's some shots of the type of "look" the 265 & 335 Michelin PSS's would give you on 20" rims.
Try just to look at the tires though because these are 19's with tires less wide than 335's and on wheels with very, very thick conventional track rims (which I don't necessarily think suit the design of the 991) but it in this case I do actually like how it looks!
Anyway it gives you a pretty good idea of the overall impact of the PSS "slicks" design.
Cheers!
Since this is a C4S thread, and tire sizes are important due to the AWD system...might be a great idea to list a combo of tire sizes that will work on our cars and not damage the AWD system(and not void our warranties).
This is actually my first AWD car(coming from a long list of M3s), apart from the wife's SUVs. So a good learning process for me.
Registered User
Joined: Oct 2012
Posts: 328
From: VA
Rep Power: 35
ae911, it's hard to keep track of what everyone has ordered, so I don't know if you have or going to have a C2 or a C4.
If it's a C2, you have a little more leeway with regard to tire sizes than you will if it's a C4, since in addition to all the other things Sid and I mentioned in our posts, you also have to take into account the differential sending power to the front.
I have no experience with awd sports cars, but I imagine that keeping the diff spinning at the normal ratio front to back might present some warranty hurdles. Short answer, if you plan to track a C4, be sure to get some advice on that.
And as a general heads up to everyone, tracking 20" tires will get very expensive, very quickly. Unless you're really good, really rich, or are funding your endeavor with someone else' money, there's a reason why lots of folks choose to burn Korean rubber on smaller wheels over French or Italian.
Owning a Porsche implies a certain socio-economic status, and none of us are poor, I'm just saying that OEM rubber is not going to hold up against an enthusiastic track day.
If it's a C2, you have a little more leeway with regard to tire sizes than you will if it's a C4, since in addition to all the other things Sid and I mentioned in our posts, you also have to take into account the differential sending power to the front.
I have no experience with awd sports cars, but I imagine that keeping the diff spinning at the normal ratio front to back might present some warranty hurdles. Short answer, if you plan to track a C4, be sure to get some advice on that.
And as a general heads up to everyone, tracking 20" tires will get very expensive, very quickly. Unless you're really good, really rich, or are funding your endeavor with someone else' money, there's a reason why lots of folks choose to burn Korean rubber on smaller wheels over French or Italian.
Owning a Porsche implies a certain socio-economic status, and none of us are poor, I'm just saying that OEM rubber is not going to hold up against an enthusiastic track day.
Registered User
Joined: Oct 2012
Posts: 328
From: VA
Rep Power: 35
Right now the only ones producing stock tire sizes for the C4S (305's rear) are Pirelli and Bridgestone (Potenza S001), the latter (until very recently) used to have a tread depth of only 7/32" (at 3 to 4/32 it's time to put new ones on soooo 7/32 is not much to start with).
However they have revised their design (I hope it's not just the spec info) to 10/32" which is actually more than most performance tires (generally 8/32" to 9/32").
For the 20" 295 rear it's Pirelli and Michelin now has the PSS's avaiable as well.
The 19" tires there's many many more choices out there.
Contact Damon from the tirerack right here on 6 or check it out for yourself http://www.tirerack.com/tires/TRSele...akeAndYear.jsp
For winter I highly recommend the Michelin Alpine's, they come in 295 20" and are amazing on both snow and icy surfaces.
Do not get the Pirelli's! seriously they suck because they are designed to handle well in low temps and on ice... and are truly terrible in any kind of snowy, slushy winter weather... lets not even talk about getting out of a parallel parking spot!
For the track... Damon told me Toyo makes the R888 in 315 20's now so I'd definetly go with those as I find the R888 the best suited for this type of duty.
But like everything else in life, these are all personal opinions...OK based on personal experience and research but highly subjective so in the end you may find something els works better for you.
However they have revised their design (I hope it's not just the spec info
) to 10/32" which is actually more than most performance tires (generally 8/32" to 9/32").For the 20" 295 rear it's Pirelli and Michelin now has the PSS's avaiable as well.
The 19" tires there's many many more choices out there.
Contact Damon from the tirerack right here on 6 or check it out for yourself http://www.tirerack.com/tires/TRSele...akeAndYear.jsp
For winter I highly recommend the Michelin Alpine's, they come in 295 20" and are amazing on both snow and icy surfaces.
Do not get the Pirelli's! seriously they suck because they are designed to handle well in low temps and on ice... and are truly terrible in any kind of snowy, slushy winter weather... lets not even talk about getting out of a parallel parking spot!
For the track... Damon told me Toyo makes the R888 in 315 20's now so I'd definetly go with those as I find the R888 the best suited for this type of duty.
But like everything else in life, these are all personal opinions...OK based on personal experience and research but highly subjective so in the end you may find something els works better for you.
Cheers...
Registered User
Joined: Jun 2007
Posts: 1,171
From: California
Rep Power: 104
Thread Starter
|
Registered User
Joined: Feb 2010
Posts: 1,810
Rep Power: 321
Hey It could be worse... if I was your neighbor!
Registered User
Joined: Jun 2007
Posts: 1,171
From: California
Rep Power: 104
Plus your connection to all the talents... oh wait, that wouldn't work.
Thread Starter
|
Registered User
Joined: Feb 2010
Posts: 1,810
Rep Power: 321
The vessel arrived last night at the port and I should have my new C4S early next week!!!!!
Dancing girls are warming up!
Dancing girls are warming up!
Thread Starter
|
Registered User
Joined: Feb 2010
Posts: 1,810
Rep Power: 321
OK everyone I just wanted to give you guys a heads up on the latest info regarding the next wide-body 991 to be released...the GT3!
Courtesy of member Kip, here ya go! http://forums.rennlist.com/rennforum...good-news.html
Or his thread here on 6sol. https://www.6speedonline.com/forums/...disguised.html
Disregard the first post (presently), the right info starts at post #10.
Here are some teaser shots.
Of course major props to John P. (911SLOW) over at Rennlist for being the one to provide us Porsche nuts with these awesome first images and info, THANK YOU!!
Here she is fellas!
Front finally without camo.
The actual rear wing instead of the ducktail with wing previously used on the 991 mule.
Center lock wheel...and yes it still has the standard 991 mirrors, however the words is that they will be replaced by the GT3 Cup car design mirrors!
BTW check out the size of those disk brakes!
View of rear wing and...finally the rear bumper without camo!
Love the rear except for the exhaust tips... hopefully they will go the way of the mirrors and be replaced for the actual unveiling in less than a Month!
Courtesy of member Kip, here ya go! http://forums.rennlist.com/rennforum...good-news.html
Or his thread here on 6sol. https://www.6speedonline.com/forums/...disguised.html
Disregard the first post (presently), the right info starts at post #10.
Here are some teaser shots.
Of course major props to John P. (911SLOW) over at Rennlist for being the one to provide us Porsche nuts with these awesome first images and info, THANK YOU!!
Here she is fellas!
Front finally without camo.
The actual rear wing instead of the ducktail with wing previously used on the 991 mule.
Center lock wheel...and yes it still has the standard 991 mirrors, however the words is that they will be replaced by the GT3 Cup car design mirrors!
BTW check out the size of those disk brakes!
View of rear wing and...finally the rear bumper without camo!
Love the rear except for the exhaust tips... hopefully they will go the way of the mirrors and be replaced for the actual unveiling in less than a Month!
Registered User
Joined: Oct 2012
Posts: 328
From: VA
Rep Power: 35
Cheers...
Registered User
Joined: Oct 2012
Posts: 328
From: VA
Rep Power: 35