Cayman GT4 announced
02-09-2015, 06:07 AM
#106
Rennlist Member
Decided to go digging for the GT4 homologation rules. This is what it says with regards to transmission.
ARTICLE 9 : TRANSMISSION
9.1 Transmission system
The gearbox must comprise a maximum of 6 ratios and a reverse gear. The interior of the gearbox is free. The number of teeth and ratios homologated in the Technical Form must be retained. The joints of the gearbox are free. The gear selection grid pattern homologated on the series model must be retained.
Sequential gearboxes are forbidden in GT4, unless by a waiver of the SRO GT4 Bureau.
For cars fitted with a semi-automatic or automatic gearbox and with 6 ratios or more, and/or a power-driven clutch with electronic or pneumatic control, a waiver of the SRO GT4 Bureau can eventually be granted. By this the Technical Delegate may at any time oblige the competitor to use the reference unit(s) registered with the SRO Motorsports Group by the manufacturer or tuner.
Probably explains why they went for manual because as we all know the PDK is 7spd and would require an exemption.
For those who are interested in the detail, the full regulations can be found here: http://gt4series.com/wp-content/uplo...egulations.pdf
ARTICLE 9 : TRANSMISSION
9.1 Transmission system
The gearbox must comprise a maximum of 6 ratios and a reverse gear. The interior of the gearbox is free. The number of teeth and ratios homologated in the Technical Form must be retained. The joints of the gearbox are free. The gear selection grid pattern homologated on the series model must be retained.
Sequential gearboxes are forbidden in GT4, unless by a waiver of the SRO GT4 Bureau.
For cars fitted with a semi-automatic or automatic gearbox and with 6 ratios or more, and/or a power-driven clutch with electronic or pneumatic control, a waiver of the SRO GT4 Bureau can eventually be granted. By this the Technical Delegate may at any time oblige the competitor to use the reference unit(s) registered with the SRO Motorsports Group by the manufacturer or tuner.
Probably explains why they went for manual because as we all know the PDK is 7spd and would require an exemption.
For those who are interested in the detail, the full regulations can be found here: http://gt4series.com/wp-content/uplo...egulations.pdf
02-09-2015, 09:43 AM
#107
Rennlist Member
their 991 area looks more and more like an ad site of sponsor started threads on aftermarket stuff like metallic purple 22 inch wheels
02-09-2015, 03:03 PM
#108
Rennlist Member
Thread Starter
Decided to go digging for the GT4 homologation rules. This is what it says with regards to transmission.
ARTICLE 9 : TRANSMISSION
9.1 Transmission system
The gearbox must comprise a maximum of 6 ratios and a reverse gear. The interior of the gearbox is free. The number of teeth and ratios homologated in the Technical Form must be retained. The joints of the gearbox are free. The gear selection grid pattern homologated on the series model must be retained.
Sequential gearboxes are forbidden in GT4, unless by a waiver of the SRO GT4 Bureau.
For cars fitted with a semi-automatic or automatic gearbox and with 6 ratios or more, and/or a power-driven clutch with electronic or pneumatic control, a waiver of the SRO GT4 Bureau can eventually be granted. By this the Technical Delegate may at any time oblige the competitor to use the reference unit(s) registered with the SRO Motorsports Group by the manufacturer or tuner.
Probably explains why they went for manual because as we all know the PDK is 7spd and would require an exemption.
For those who are interested in the detail, the full regulations can be found here: http://gt4series.com/wp-content/uplo...egulations.pdf
ARTICLE 9 : TRANSMISSION
9.1 Transmission system
The gearbox must comprise a maximum of 6 ratios and a reverse gear. The interior of the gearbox is free. The number of teeth and ratios homologated in the Technical Form must be retained. The joints of the gearbox are free. The gear selection grid pattern homologated on the series model must be retained.
Sequential gearboxes are forbidden in GT4, unless by a waiver of the SRO GT4 Bureau.
For cars fitted with a semi-automatic or automatic gearbox and with 6 ratios or more, and/or a power-driven clutch with electronic or pneumatic control, a waiver of the SRO GT4 Bureau can eventually be granted. By this the Technical Delegate may at any time oblige the competitor to use the reference unit(s) registered with the SRO Motorsports Group by the manufacturer or tuner.
Probably explains why they went for manual because as we all know the PDK is 7spd and would require an exemption.
For those who are interested in the detail, the full regulations can be found here: http://gt4series.com/wp-content/uplo...egulations.pdf
02-09-2015, 03:05 PM
#109
Rennlist Member
Thread Starter
Seriously.. Unless the intake tract for the gt4 is SEVERELY compromised, losing 45hp is absurd. Out another way.. How many cars can you GAIN 45hp with just by changing the intakes?.. Exactly.
I have no info to speculate on the he actual number.. Just VERRRY curious to have a shop put up a carrera S and gtr on same dyno at same time and see what comes up...
I have no info to speculate on the he actual number.. Just VERRRY curious to have a shop put up a carrera S and gtr on same dyno at same time and see what comes up...
There is no suggestion that the GT4's 3.8 is based on the powerkit equiped 3.8L, not that I saw...
02-09-2015, 03:06 PM
#110
Rennlist Member
Thread Starter
02-09-2015, 03:36 PM
#111
02-09-2015, 10:53 PM
#112
Rennlist Member
I remember going to the Club races at Watkins Glen in both 2012 and 2013. There were a few Caymans racing in '12, but there were a lot more Boxsters and 911s in that class. In '13 it was like everyone had suddenly discovered Caymans. They ran in at least a couple classes that year and did very well against similar spec 911s.
My Cayman was a straight stock R, with a MT. I can only say how the car felt to me on the track(DE), keeping in mind my limited experience and skill level. Going into and through corners it had a clear advantage over 911s I've driven. Coming out of the corners you can sense the ability of a 911 to dig in better, of course. The Cayman is definitely easier to drive closer to the limit than the 911s I've driven, but to me the biggest sense you get from the Cayman R at least is that right out of the box it was a very good track tool. It could have definitely used more power, especially for a better driver.
Given the suspension set-up (from the specs it looks like SPASM is standard at 30mm reduced ride height) and the 3.8L motor in the GT4 I am more than willing to bet that once people like Chris Harris get to drive this new car they will be seriously excited. From the EVO interview with AP it seemed like he nearly said the steering was from the GT3. I'm sitting here trying to figure how I can afford to have the new 991 GTS coupe due in April, keep my '96 993 C2 coupe, and find enough $$ in my piggy bank for a stripped GT4 with AC and radio delete, and just sport chrono and the sport bucket seats. Clearly, for me at least, it's overreaching. But, what's left of life is bound to be damn short, and I'll be dead for a long time.
My Cayman was a straight stock R, with a MT. I can only say how the car felt to me on the track(DE), keeping in mind my limited experience and skill level. Going into and through corners it had a clear advantage over 911s I've driven. Coming out of the corners you can sense the ability of a 911 to dig in better, of course. The Cayman is definitely easier to drive closer to the limit than the 911s I've driven, but to me the biggest sense you get from the Cayman R at least is that right out of the box it was a very good track tool. It could have definitely used more power, especially for a better driver.
Given the suspension set-up (from the specs it looks like SPASM is standard at 30mm reduced ride height) and the 3.8L motor in the GT4 I am more than willing to bet that once people like Chris Harris get to drive this new car they will be seriously excited. From the EVO interview with AP it seemed like he nearly said the steering was from the GT3. I'm sitting here trying to figure how I can afford to have the new 991 GTS coupe due in April, keep my '96 993 C2 coupe, and find enough $$ in my piggy bank for a stripped GT4 with AC and radio delete, and just sport chrono and the sport bucket seats. Clearly, for me at least, it's overreaching. But, what's left of life is bound to be damn short, and I'll be dead for a long time.
02-09-2015, 11:10 PM
#113
Banned
I'm sitting here trying to figure how I can afford to have the new 991 GTS coupe due in April, keep my '96 993 C2 coupe, and find enough $$ in my piggy bank for a stripped GT4 with AC and radio delete, and just sport chrono and the sport bucket seats. Clearly, for me at least, it's overreaching. But, what's left of life is bound to be damn short, and I'll be dead for a long time.
