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Deman Motorsport 4.25 liter

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Old 12-16-2018, 08:59 PM
  #46  
Rick DeMan
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Originally Posted by 008
We need some specification details and pricing breakdown. Anything else needed like intakes, exhaust etc? What’s the turnaround time? Do I need to send the car to NY? You can pm me if you don’t want to post it. TNA
Hi all,
For very specific questions feel free to call me directly at the shop. 845-727-3070

Ill try to answer as much as I can here.

I announced a price on the IG post starting at $28,500. Since most GT4 enthusiasts considering the 4.25L have been adding things like headers, big TB, COBB tunes and even some 4.0L conversions it would be very hard to quote a price that fits all or applicable to every situation.

Install time is 2 weeks, all installations are done in NY at DeMan Motorsport and come complete with tuning and Dyno testing.
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Old 12-16-2018, 09:06 PM
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Originally Posted by neanicu
All these years of being on different forums I've noticed there's some kind of unwritten rule about forum sponsors not publishing costs publicly. I don't know what it is...perhaps it doesn't look professional,perhaps prices change according to builds that might change etc...who really knows... So I wouldn't expect DeMan to answer you here. But I think it's very simple,if you're really interested,you can call them,email them...PM them...?
One thing that I'm sure of is that it's not going to be cheap : but totally worth it IMO! I think DeMan and BGB are doing great things for the Porsche community and we are lucky to have them around! And there are others!
The power levels are certainly impressive! I hope the transmission holds up!
Hi guys,
Just to clarify, DeMan Motorsport announced the 4.25L Engine on Instagram with a starting price attached. We did not start this thread on RL and thank you for starting the discussion and good words. I addressed the price question on another reply.

The power of this project was mind blowing for me personally and I’m thrilled with the results. I’ll post some more info as we gather it but feel free to contact me personally anytime
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Old 12-16-2018, 09:12 PM
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Originally Posted by rflavell



looks fantastic Rick, looking forward to more details. How do you perceive the durability of this engine? Any estimates as to hours on the motor before needing a rebuild? Do I dare ask the cost of this beauty?
We expect these to be just as robust as the stock motors.

The 4.25L Engine starts at $28,500

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Old 12-16-2018, 09:14 PM
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Originally Posted by 008
Can I put it in my 991 S?
Yes! Perfect fit and candidate......

Lets talk about it!
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Old 12-16-2018, 09:15 PM
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Originally Posted by user1029
JUST TAKE MY MONEY
I’ll send driver to pick up the cash.... 🤣🤣
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Old 12-16-2018, 09:19 PM
  #51  
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Originally Posted by gulf911
Can the motor be shipped in a crate To a shop in So Cal? Perhaps with details for install? And is the 28k including a core motor?

Thanks,
The 4.25L is built on your existing 3.8L so your GT4 would need to come to DeMan Motorsport.

feel free to call me for any details.

845-727-3070
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Old 12-16-2018, 10:01 PM
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Thanks Rick, traveling a bunch but will call you after the new year to coordinate.
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Old 12-16-2018, 10:36 PM
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Terrific stuff!
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Old 12-17-2018, 03:50 AM
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Originally Posted by Rick DeMan

We expect these to be just as robust as the stock motors.

The 4.25L Engine starts at $28,500

So is that with an X51 manifold?
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Old 12-17-2018, 02:08 PM
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I have started a thread specifically for the DeMan Motorsport 4.25L engine. link is below...

Thank you all for starting this discussion here...

https://rennlist.com/forums/gt4/1119...l#post15503149
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