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Old 09-28-2018, 12:49 AM
  #3451  
tcsracing1
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Originally Posted by groundhog
Not really its absolutely correct - if you run it rated at 600HP and do X hours that changes the timing of the rebuild schedule Vs run it rated at 400HP and Y hours. Coswoth long block ~ 15K
you aint running a mild 400hp cosworth for 9000 miles (and counting) of pure racing without a scheduled tear down.
And you aint dropping in a turn key 400hp cosworth comparable to a GT4 for 15k....
Old 09-28-2018, 12:54 AM
  #3452  
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The same applies to Porsche engines and I'd take a Cosworth EJ over a OEM 9A1 as fitted to the current GT4 everyday of the week. I'd also take the Aisin six speed over the getrag unit in the current GT4.
Old 09-28-2018, 12:57 AM
  #3453  
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Originally Posted by groundhog
The same applies to Porsche engines and I'd take a Cosworth EJ over a OEM 9A1 as fitted to the current GT4 everyday of the week.
good luck with that...
Old 09-28-2018, 12:58 AM
  #3454  
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No luck involved I own one don't underestimate what others are doing. Theres plenty of good work been done outside of Porsche. I enjoy my Porsche sports cars but am fully aware of their limitations too.
Old 09-28-2018, 01:00 AM
  #3455  
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Originally Posted by groundhog
No luck involved I own one
Must not be treating you that well if you are looking into the new 718GT4 or something better....
Old 09-28-2018, 01:04 AM
  #3456  
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Originally Posted by tcsracing1
Must not be treating you that well if you are looking into the new 718GT4 or something better....
Not really, I like it very much - I also like my Porsche sports cars - they are very different beasts. The former represents an end of an era for me, to some degree, the latter just reflects a different direction. By the same token I respect whats possible in other spheres and don't underestimate what has been achieved by others.

The GT4 is a matter of frustration for me - it could be so good out of the box (thats to take nothing away from the 981 GT4, of course its good) or rather so much better than our current intelligence suggests. Yet Porsche seem to be taking the easy route.

I think its a bit of a myth that producing a fully formed GT4 would cannibalise sales from the GT3 or the Carrera. I happen to like both 911s and Caymans - they serve very different missions and because of this cannibalisation would be minimal.
Old 09-28-2018, 01:14 AM
  #3457  
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Originally Posted by groundhog
Not really, I like it very much - I also like my Porsche sports cars - they are very different beasts. The former represents an end of an era for me, to some degree, the latter just reflects a new direction. By the same token I respect whats possible in other spheres and don't underestimate what has been achieved by others.
I had a 2004 STI from new....Fantastic performance from such a little car.
I have rally raced it and raced along side of other pro teams who ran these cars during that period.

You can tune them and build them up.... but you can end up being into them for alot of money if you are not careful. And if you blow it up you are back to spending money.
Great for their purpose.... but i moved on to racing GT3 Porsches as i was wasnt really into the 4 door rally sedan sceene...

Currently in the GT4 now because you can run them and only have to worry about tires, brakes, oil and gas. For 3 years and 9000 miles of track that is as good as i have seen....
Old 09-28-2018, 01:21 AM
  #3458  
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Originally Posted by groundhog
The GT4 is a matter of frustration for me - it could be so good out of the box (thats to take nothing away from the 981 GT4, of course its good) or rather so much better than our current intelligence suggests. Yet Porsche seem to be taking the easy route.
I think its a bit of a myth that producing a fully formed GT4 would cannibalise sales from the GT3 or the Carrera. I happen to like both 911s and Caymans - they serve very different missions and because of this cannibalisation would be minimal.
Porsche did clip the ***** of the 981 GT4 in 2016. Smaller throttle body and less HP then the 991 Carrera S. That wasnt fair and dissapointing.
Well now we finally get the X51 package on the 2019 GT4 so now it can be more then just a throttle body.
The extra stroke to become a 4.0L would have been a nice touch, but I assume not worth the cost to have it done by Porsche. It is not enough to be a deal breaker to be honest.

Porsche know GT4 buyer and Carrera S buyer are two different buyers. It is indeed somewhat of a myth of Porsche fearing loss of Carrera sales to a powerful cayman.
Old 09-28-2018, 01:22 AM
  #3459  
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Lol sounds like a very familiar journey I hope Porsche surprise us.

I didn't go for the 981 GT4 or 991 Series 1 GT3 due to, in the former, first attempt syndrome and in the latter, the never ending engine problems. Thus I put a deposit down on the 718 GT4 (a couple of years ago), perhaps on a wing and a prayer that lessons would have been learned.

I also love the balance of the Caymans at full noise and thus still own a 981 GTS and another mid-engined special (amongst others).

I get far too passionate about this stuff
Old 09-28-2018, 08:02 AM
  #3460  
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Originally Posted by tcsracing1
The extra stroke to become a 4.0L would have been a nice touch, but I assume not worth the cost to have it done by Porsche.
I don't know enough about engine manufacturer's costs to know the answer to this: why would a slightly longer stroke -- or a slightly wider bore, for that matter, assuming the block would support it -- cost more to make? Sure the con-rod is a little longer, the piston a tiny bit larger. But boring 6 slightly larger holes or changing the stroke on a motor doesn't seem like it would cost anything more than a hundred dollars, if that. What am I missing?

Old 09-28-2018, 11:24 AM
  #3461  
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Originally Posted by NoGaBiker


I don't know enough about engine manufacturer's costs to know the answer to this: why would a slightly longer stroke -- or a slightly wider bore, for that matter, assuming the block would support it -- cost more to make? Sure the con-rod is a little longer, the piston a tiny bit larger. But boring 6 slightly larger holes or changing the stroke on a motor doesn't seem like it would cost anything more than a hundred dollars, if that. What am I missing?

Testing, tune, man hours involved to make sure they can warranty the motor for longer than 12 months?
Old 09-28-2018, 05:35 PM
  #3462  
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All the above has to be done no matter what changes they make, and there are always changes.
Old 09-28-2018, 05:41 PM
  #3463  
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Originally Posted by NoGaBiker
All the above has to be done no matter what changes they make, and there are always changes.
I think the 3.8L X51 required minimal changes or testing as opposed to changing the crank etc to make it 4.0L.

Old 09-28-2018, 06:09 PM
  #3464  
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..or perhaps the 3.8L X51 provides an upgrade path for Gen 1 Clubsports.... and Porsche can still have a differentiated Gen 2 Clubsport with chassis/aero improvements + X51
Old 09-28-2018, 10:19 PM
  #3465  
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Originally Posted by ralphmusic
..or perhaps the 3.8L X51 provides an upgrade path for Gen 1 Clubsports.... and Porsche can still have a differentiated Gen 2 Clubsport with chassis/aero improvements + X51
+1


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