2019 Porsche Cayman 718 GT4.2
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    Porsche Logo 2019 Porsche Cayman 718 GT4.2

    Surfing the web this morning and saw something I'm excited about.

    2019 Porsche Cayman 718 GT4.2

    https://www.topspeed.com/cars/porsch...-ar170443.html

    News, Rumors, Opinions, Thoughts?

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    Re: 2019 Porsche Cayman 718 GT4.2

    Just skimmed that but didn't see anything new. It seems very likely there will be another Cayman GT4. The drive train though has been debated for awhile. Turbo 4 with more power? Turbo 6 from the 911?- but will it fit? Many believe it will be a detuned 4.0 MA175 from the GT3 since that is the only other available NA flat 6. I wonder about packaging though as that is a true dry sump with a big oil tank. It seems unlikely it would have a unique motor. Time will tell.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Thanks for posting the link, the article is a nice condensed version on the current situation regarding the GT4 RS.

    The most important thing to me would be the specs on the motor. I’m hoping it stays naturally aspirated.

    Also, I’d like to see the exhaust tips remain centered like the 981’s - purely aesthetic but I like the look.

    Basically still a lot of speculation going on - the anticipation is killing me.
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    Re: 2019 Porsche Cayman 718 GT4.2

    The new mid-mounted engine grows in displacement from 3.8 to 4.0-litres with a screaming redline near 9000rpm curdling from behind the front seats. The latest GT4 iteration won’t get the 911 version’s full 368kW but a milder output near 300kW, eclipsing the previous 283kW engine and mixing it with a screaming rev ceiling.
    Also heard in the latest GT4 Clubsport spy video is a quick-shifting PDK transmission, though the road version is likely to also get a traditional six-speed manual.

    The road-going Cayman GT4 is tipped to be unveiled later this year around the time of the Los Angeles motor show at the end of November. The track-ready Clubsport will likely launch later in 2019.


    https://www.youtube.com/watch?time_c...&v=nlrv2V4MbCQ

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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by oceanaxim View Post
    The new mid-mounted engine grows in displacement from 3.8 to 4.0-litres with a screaming redline near 9000rpm curdling from behind the front seats. The latest GT4 iteration won’t get the 911 version’s full 368kW but a milder output near 300kW, eclipsing the previous 283kW engine and mixing it with a screaming rev ceiling.
    Also heard in the latest GT4 Clubsport spy video is a quick-shifting PDK transmission, though the road version is likely to also get a traditional six-speed manual.

    The road-going Cayman GT4 is tipped to be unveiled later this year around the time of the Los Angeles motor show at the end of November. The track-ready Clubsport will likely launch later in 2019.


    https://www.youtube.com/watch?time_c...&v=nlrv2V4MbCQ
    Chiming in from 987 land...

    What I don't get is how Porsche would detune the 4.0 to ~420hp and keep the 9000rpm redline? What would be the point? The 9000rpm redline is so that the engine can make absurd hp/l, without the hp why the redline?

    Either keep the 4.0 with the 9000 rpm redline and have it at 475hp claiming that the intake and exhaust is more restrictive or come out with a new 3.6 with a 9000rpm redline and 440hp. I think the latter would be an amazing car, one that would be sought after for a long time.

    Sounds like the next GT3 is going to be turbo, which if true means this is the last shot at a non turbo Cayman/Boxster. Almost makes me want to remortgage my house and see if I can get an allocation! 🤪

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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by KrisA View Post
    Chiming in from 987 land...

    What I don't get is how Porsche would detune the 4.0 to ~420hp and keep the 9000rpm redline? What would be the point? The 9000rpm redline is so that the engine can make absurd hp/l, without the hp why the redline?

    Either keep the 4.0 with the 9000 rpm redline and have it at 475hp claiming that the intake and exhaust is more restrictive or come out with a new 3.6 with a 9000rpm redline and 440hp. I think the latter would be an amazing car, one that would be sought after for a long time.

    Sounds like the next GT3 is going to be turbo, which if true means this is the last shot at a non turbo Cayman/Boxster. Almost makes me want to remortgage my house and see if I can get an allocation!
    I doubt they will give it the 4.0L. Probably another 3.8L with a X51 power pack. Bottom line is they will never give the Cayman true 911 power. They’ll make a mid engine 911 before they do that.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by rx-hawk View Post
    I doubt they will give it the 4.0L. Probably another 3.8L with a X51 power pack. Bottom line is they will never give the Cayman true 911 power. They’ll make a mid engine 911 before they do that.
    I am thinking the upcoming Corvette is going to force their hand, undoubtedly they are considering the strategy. With Mercedes upping their game maybe time for that Miata-esque smaller car, a 550ev maybe. Pure speculation, I know nothing...maybe less than nothing.

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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by iiagdtr View Post
    I am thinking the upcoming Corvette is going to force their hand
    The Corvette is not on Porsche's radaricon in the slightest. It effectively only exists in 1 market and it's a completely different car that does not really compete in the same space.

    410-420 hp from a non-GT 3.8 or 4.0 with a sub-8K redline is going to be what the new GT4 will get.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by JCviggen View Post
    The Corvette is not on Porsche's radaricon in the slightest. It effectively only exists in 1 market and it's a completely different car that does not really compete in the same space.

    410-420 hp from a non-GT 3.8 or 4.0 with a sub-8K redline is going to be what the new GT4 will get.
    I know this thread is a little old, but Porsche would be crazy to not pay attention to the new C8 Corvette. A mid-engine Corvette with 450-500HP in the base model could have a seriously negative impact on Cayman sales. They have my attention and I'm on the list to get a GT4.
    Last edited by FlatSickx; 12-18-2018 at 09:38 PM.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by JCviggen View Post
    The Corvette is not on Porsche's radaricon in the slightest. It effectively only exists in 1 market and it's a completely different car that does not really compete in the same space.

    410-420 hp from a non-GT 3.8 or 4.0 with a sub-8K redline is going to be what the new GT4 will get.
    I think this is what Porsche needs to do, but will they? And IMHO even if Porsche doesn't publicly acknowledge the C8 mid-engine Corvette, they would be foolish not to take it into account when bringing the next top-tier mid-engine 718!

    Quote Originally Posted by FlatSickx View Post
    I know this thread is a little old, but Porsche would be crazy to not pay attention to the new C8 Corvette. A mid-engine Corvette with 450-500HP in the base model could have a seriously negative impact on Cayman sales. They have my attention and I'm on the list to get a GT4.

    Same thoughts and same boat other then I am looking at the 718 Spyder.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by FlatSickx View Post
    I know this thread is a little old, but Porsche would be crazy to not pay attention to the new C8 Corvette. A mid-engine Corvette with 450-500HP in the base model could have a seriously negative impact on Cayman sales. They have my attention and I'm on the list to get a GT4.
    I expect Porsche has a very clear perspective on the C8, but in the context of how it might impact 911 sales than a Cayman variant. Any eventual GT4 will be produced in small enough numbers that they'll sell every one they build, regardless of how it stacks up against a C8.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Sorry... while both the C8 and our Cayman lay tours both have mid engined, the C8 isn't targeted at the Cayman -- its targeted at the 911 product line. And if Chevy will not fully change over the Corvette to the C8 but have a more limited C8 and a more mainstream C7.. then the C8 is really only aimed at the 911 RSR.
    That's opinion of course..

    It might be interesting to see where the LMGT arms race ends up. the 911 RSR is really somewhat of an odd animal -- not really designed as a mid-engined car.. but if the C8 was designed from the start to be mid-engined and it works well... will Porsche succumb to a "new" halo car... something like a 918 but a race car in design that can serve as a road car for homologation purposes. I wonder how fast those would sell out ?? I mean those 958's that were shown at Rensport VI are all spoken for, right??
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    Re: 2019 Porsche Cayman 718 GT4.2

    I would never buy a Corvette over a Porsche. I can spit and hit a local Corvette dealer with a good back wind. I would buy whatever Porsche decides to build with their next GT4.
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    Re: 2019 Porsche Cayman 718 GT4.2

    The 718 Cayman GT4 Clubsport makes its debut today at Daytona.
    One of the biggest surprises of the 718 Cayman GT4 Clubsport was that it uses the naturally aspirated 3.8-liter flat-six as the old GT4 fit with a new intake manifold to raise horsepower from 385 to 425.
    Here is a fresh article from Road and Track January 4, 2019.
    https://www.roadandtrack.com/new-car...engine-rumors/
    And January 3, 2019
    https://www.roadandtrack.com/motorsp...os-specs-info/

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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by oceanaxim View Post
    The 718 Cayman GT4 Clubsport makes its debut today at Daytona.
    One of the biggest surprises of the 718 Cayman GT4 Clubsport was that it uses the naturally aspirated 3.8-liter flat-six as the old GT4 fit with a new intake manifold to raise horsepower from 385 to 425.
    Here is a fresh article from Road and Track January 4, 2019.
    https://www.roadandtrack.com/new-car...engine-rumors/
    And January 3, 2019
    https://www.roadandtrack.com/motorsp...os-specs-info/
    I suspect this was NOT the manifold ALONE but new manifold, new engine ECU tuning and a few other tweaks to bump up 40HP, the interesting question will be can you retrofit it to the existing GT4's?
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by K-Man S View Post
    I suspect this was NOT the manifold ALONE but new manifold, new engine ECU tuning and a few other tweaks to bump up 40HP, the interesting question will be can you retrofit it to the existing GT4's?
    This is a "race car" so if you want to squeeze this much more out of the existing street engine you will sacrifice long term viability, I would think this would be an expensive undertaking if at all possible:

    • Engine
    • Aluminium six-cylinder mid-positioned boxer engine with rigid mounting
    • 3,800 cc; stroke 77.5 mm, bore 102 mm
    • Max. power: 313 kW (425 hp) at 7,500 rpm
    • Max. rpm: 7,800 rpm
    • Max. torque: 425 Nm at 6,600 rpm
    • Compression ratio: 12.5:1
    • Racing optimised water cooling with thermal management for engine and gearbox
    • Four-valve technology with adjustable camshaft phasing and variable valve timing VarioCam Plus
    • Fuel quality: Super Plus unleaded, minimum 98 octane
    • Racing optimised electronic engine management (Continental SDI 9)
    • Integrated dry sump lubrication
    • 100-cell metal catalytic converter complying with DMSB specifications
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by Westcoaster View Post
    This is a "race car" so if you want to squeeze this much more out of the existing street engine you will sacrifice long term viability, I would think this would be an expensive undertaking if at all possible:

    • Engine
    • Aluminium six-cylinder mid-positioned boxer engine with rigid mounting
    • 3,800 cc; stroke 77.5 mm, bore 102 mm
    • Max. power: 313 kW (425 hp) at 7,500 rpm
    • Max. rpm: 7,800 rpm
    • Max. torque: 425 Nm at 6,600 rpm
    • Compression ratio: 12.5:1
    • Racing optimised water cooling with thermal management for engine and gearbox
    • Four-valve technology with adjustable camshaft phasing and variable valve timing VarioCam Plus
    • Fuel quality: Super Plus unleaded, minimum 98 octane
    • Racing optimised electronic engine management (Continental SDI 9)
    • Integrated dry sump lubrication
    • 100-cell metal catalytic converter complying with DMSB specifications
    Understood maybe you wouldn't get everything that the "racing" engine has, but what could you retrofit that would give "some" benefit? For example if you retrofitted the manifold alone and did nothing else, is that worth 5HP? 10HP? 20? Who knows... Maybe the manifold combined with a Softronicicon or other ECU tune might net you 25HP? Would be worth looking into for someone who wants to mildly tune their GT4.
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    Re: 2019 Porsche Cayman 718 GT4.2

    For now I am happy with my 385 HP. My GT4 is tucked away for the winter. I can't wait for the spring to arrive to get her back on the road. Long live the manual.
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    Re: 2019 Porsche Cayman 718 GT4.2

    Quote Originally Posted by K-Man S View Post
    Understood maybe you wouldn't get everything that the "racing" engine has, but what could you retrofit that would give "some" benefit? For example if you retrofitted the manifold alone and did nothing else, is that worth 5HP? 10HP? 20? Who knows... Maybe the manifold combined with a Softronicicon or other ECU tune might net you 25HP? Would be worth looking into for someone who wants to mildly tune their GT4.
    If I were keeping my current Spyder I would definitely talk to Dundon Motorsports and look at their lineup of performance bits. Their headers, and intake runners alone will net a very good amount of horsepower.

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    Re: 2019 Porsche Cayman 718 GT4.2

    GREETINGS, I anticipate that this will be the next model that I bought to show them all over the country as soon as I bought it and mofique I will send them the photographs.

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