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GT4 vs. BGB 3.8 Cayman

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Old Nov 17, 2015 | 06:51 PM
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Default GT4 vs. BGB 3.8 Cayman

For what its worth after owning a BGB 3.8 Cayman and now a GT4:
One is not better than the other in an absolute sense.
I really liked my BGB car and the new owner is loving it! It is a great car!
It had stock shocks with H&R lowering springs and a GT3 front sway bar.
Cargraphic headers, 991S brakes, larger throttle body, etc.
If I had finished doing the last few items on that car I would surely say it would have been slightly faster on track. I was going to put an LSD and a Tarret rear sway bar but never did because I made the tough choice to sell the car and get the GT4.
At VIR I was doing 2:04's in the BGB car on Hankook Z251 Ventus. The rear sway and LSD would have made a big difference though if I had done them.
By comparison, in the GT4 on stock Cup 2's I was able to do 2:05's.
I think the difference between the 2 is very close. If I had equal tires and had an LSD in the BGB car, it may be a bit faster than the otherwise stock GT4.

GT4 advantages:
Aero
Brakes
Suspension
Its a GT4 - intangible to explain

BGB Cayman advantages:
No boy racer wing - if you dont like it anyway... (You can add one if you want though)
Perhaps better daily driver...
More power (but John can give the GT4 more power too...)
18" wheels fit over the 991S brakes (which are very adequate I might add)
Cheaper consumables for brakes.
Can get a PDK if you want one...
Probably many other things I am not thinking of at the moment.


Bottom line is they both are great cars and perhaps one can replace the other in many respects. If you cant get a GT4, the BGB car is a wonderful alternative. If you can get a GT4 but want a PDK, cheaper brakes, 18" wheels, less flashy daily driver, etc, etc, the BGB car is the way to go.

I might say that price wise it may be much closer than you would expect - especially if you end up spending the money on upgrades to the GT4 anyway - like an LSD, Headers, etc.

Anyway, that is just my perspective. Everyone has differing needs and wants so these are just my observations. A number of people have asked me for a comparison so I figured I would just post this.

It is not meant to open a debate.....just an impartial observation as requested by others.
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Old Nov 17, 2015 | 08:45 PM
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Thanks for posting this comparison. To those of us on the fence between BGB and GT4 this helps.

I am starting to lean in the BGB direction since I can customize most anything I want with them.
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Old Nov 17, 2015 | 09:52 PM
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Among other differences worth considering are warranty and future resale.
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Old Nov 17, 2015 | 11:26 PM
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BGB put together a very attractive package with OEM fit and finish.
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Old Nov 18, 2015 | 09:36 AM
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Originally Posted by GT3 Nut
For what its worth after owning a BGB 3.8 Cayman and now a GT4:
One is not better than the other in an absolute sense.
I really liked my BGB car and the new owner is loving it! It is a great car!
It had stock shocks with H&R lowering springs and a GT3 front sway bar.
Cargraphic headers, 991S brakes, larger throttle body, etc.
If I had finished doing the last few items on that car I would surely say it would have been slightly faster on track. I was going to put an LSD and a Tarret rear sway bar but never did because I made the tough choice to sell the car and get the GT4.
At VIR I was doing 2:04's in the BGB car on Hankook Z251 Ventus. The rear sway and LSD would have made a big difference though if I had done them.
By comparison, in the GT4 on stock Cup 2's I was able to do 2:05's.
I think the difference between the 2 is very close. If I had equal tires and had an LSD in the BGB car, it may be a bit faster than the otherwise stock GT4.

GT4 advantages:
Aero
Brakes
Suspension
Its a GT4 - intangible to explain

BGB Cayman advantages:
No boy racer wing - if you dont like it anyway... (You can add one if you want though)
Perhaps better daily driver...
More power (but John can give the GT4 more power too...)
18" wheels fit over the 991S brakes (which are very adequate I might add)
Cheaper consumables for brakes.
Can get a PDK if you want one...
Probably many other things I am not thinking of at the moment.


Bottom line is they both are great cars and perhaps one can replace the other in many respects. If you cant get a GT4, the BGB car is a wonderful alternative. If you can get a GT4 but want a PDK, cheaper brakes, 18" wheels, less flashy daily driver, etc, etc, the BGB car is the way to go.

I might say that price wise it may be much closer than you would expect - especially if you end up spending the money on upgrades to the GT4 anyway - like an LSD, Headers, etc.

Anyway, that is just my perspective. Everyone has differing needs and wants so these are just my observations. A number of people have asked me for a comparison so I figured I would just post this.

It is not meant to open a debate.....just an impartial observation as requested by others.
I appreciate your taking the time to write up that nice review Matt. We are very lucky to have had some amazingly appreciative customers. I have however thrown in the towel on comparing our car to the GT4. It's not worth it because unless the person wants PDK and/or an X51 Power Kit engine, the limited supply gives the GT4 the win on resale; as STLPCA and everyone else and their mother has stated, warranty is a concern even though a GT4 with air filters or a plenum or a tune is subject to the same exact warranty consideration as a 3.8L 981 swap would be. I think it's for some, but not for everyone and i am totally and utterly fine with that!

Enjoy the GT4 bud! Your LWB harness bar should show up at the beginning of next week and let's get some rubber on it so we can get down to the 2:00s.
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Old Nov 18, 2015 | 09:44 AM
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nice work!! i need to run with you at VIR. took the GT4 out for the first time and managed 2:09... have loads to pick up in the braking zones. im up in Cville...
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Old Nov 18, 2015 | 09:58 AM
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Originally Posted by zmon
nice work!! i need to run with you at VIR. took the GT4 out for the first time and managed 2:09... have loads to pick up in the braking zones. im up in Cville...

You two need to hook up for your next track event and do some lead follow.
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Old Nov 18, 2015 | 03:20 PM
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John,

I am actually more interested in putting a 991 Carrera 3.4 engine in base 981 Cayman (to take advantage of the gearing). I really love the free revving nature of the 3.4 in my base 991. Is that something you would be interested in doing? Have you done it before?

We could put a nice Canyon Carving suspension in with a good header and exhaust (Cargraphic, I presume?), etc.

We can talk over PM if you like...
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Old Feb 16, 2016 | 10:21 PM
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Default Couple of questions

I am considering doing a conversion.

Was your car a base manual?

What do you think of the gear ratios on the base vs the GT4?

Mike
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Old Feb 17, 2016 | 12:19 AM
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GT4 looks better

there I said it
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