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X51 PowerKit on 981 GT4 or Spyder

 
Old 07-10-2019, 01:00 AM
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whojoemama
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Default X51 PowerKit on 981 GT4 or Spyder

Has anyone ever put a Porsche spec X51 Powerkit on a 981 Spyder or GT4? Is this even possible? Love to hear your thoughts.
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Old 07-10-2019, 03:23 AM
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Originally Posted by whojoemama View Post
Has anyone ever put a Porsche spec X51 Powerkit on a 981 Spyder or GT4? Is this even possible? Love to hear your thoughts.
Yes. It is awesome. Search the GT4 sub forum

Last edited by ajw45; 07-10-2019 at 10:12 PM.
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Old 07-10-2019, 11:40 AM
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BGB is the answer.

Peter
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Old 07-10-2019, 10:14 PM
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Old 07-11-2019, 01:43 AM
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I would like a 4.2L or even their upcoming 4.5L in the Spyder ::drool:: Not sure I want to know the cost though!
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Old 07-11-2019, 02:33 AM
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Originally Posted by guab View Post
I would like a 4.2L or even their upcoming 4.5L in the Spyder ::drool:: Not sure I want to know the cost though!
It's probably less than trading in the 981 Spyder for a 718 Spyder. FWIW, my GT4 gained 90 rwhp over stock with the 4l X51 and race headers, the 4.5l is even more..... A lot more... more than I can say, but even the 4.25l dynos >50 rwhp MORE than my car on the same dyno

I know the 30+ hp gain with the 718 is really a lot as Porsche power increments go but that's kids stuff compared to what is possible.
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Old 07-11-2019, 01:32 PM
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Originally Posted by ajw45 View Post
It's probably less than trading in the 981 Spyder for a 718 Spyder. FWIW, my GT4 gained 90 rwhp over stock with the 4l X51 and race headers, the 4.5l is even more..... A lot more... more than I can say, but even the 4.25l dynos >50 rwhp MORE than my car on the same dyno

I know the 30+ hp gain with the 718 is really a lot as Porsche power increments go but that's kids stuff compared to what is possible.
Crazy.

I'm running the dundon headers, so torque and hp are improved -- but it is not tuned. I'd imagine I'd gain another 30-40 horse with X51 but it would change the power band in a way that's probably not ideal for street. Really would love that new 4.5L! I think the 4.25L made something crazy like 488 to the rear wheels.
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