986 Forum - The Community for Porsche Boxster & Cayman Owners
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986 Forum - The Community for Porsche Boxster & Cayman Owners (http://986forum.com/forums/)
-   Performance and Technical Chat (http://986forum.com/forums/performance-technical-chat/)
-   -   986 2.5 underdrive pulley dyno graph (http://986forum.com/forums/performance-technical-chat/24481-986-2-5-underdrive-pulley-dyno-graph.html)

Lobo1186 06-21-2010 12:47 PM
so what is the concensus on size and what not. im most concerned about the torque low end i do not care so much about dampened or not just performance. and slowing down accessories and retaining drivability. personally Jake i would like to buy your product. but is it exclusive for your retrofit customers? :confused:

Jake Raby 06-21-2010 01:31 PM
Its not exclusive.. We are simply out of stock on them.

Lobo1186 06-21-2010 02:07 PM
"I haven't stopped the development of the dampened UDP. We are still working on the project as an exclusive product for our updated engine program."

-Jake Raby

I must have just misunderstood. that is good news! any Idea when you will have any in stock because im interested in putting one on for my 60k maintenance. :cheers:

amondc 06-21-2010 05:14 PM
Jake, just sent dean an email
 
If you want give me a call

Chris

dsisco 09-17-2010 05:08 PM
Quote:
Originally Posted by transtlye
i have just installed the RSS underdrive pulley and had gotten it dyno tested today. The car is a 97 boxster 2.5L. I think some people will be interested in the results. it started at 199hp for the first run. they had pulled it 5 times and every time i had gotten about 1-2hp more. i called it after the fith pull because it was starting to get hot. the final result was 206.5. When it was stock i had dyno tested at 200.9-201.1hp.

[IMG]IMG]http://i899.photobucket.com/albums/ac197/transtlye/1271541660420.jpg[/IMG][/IMG]
http://i899.photobucket.com/albums/a...1541645936.jpg
was wondering what mods you have already done to your car?

how did you get 200hp at the wheels stock when they only have that at the crank?

Just curious
i

sparker 10-26-2010 08:53 PM
I too am curious about the 200hp at the wheels - any hints??? :)

Sam

pothole 08-07-2011 06:43 AM
Quote:
Originally Posted by Jake Raby
I have been developing a harmonically dampened UDP for over two years now.. As soon as I saw the other companies making similar companies I halted the development because theirs is cheaper and few people buy "better" these days.
and

Quote:
Originally Posted by Jake Raby
I haven't stopped the development of the dampened UDP. We are still working on the project as an exclusive product for our updated engine program.
Sorry, confused, which is it?

Further questions are - is there any value in a damped pulley on an early 986 should I choose to go with an underdrive item and is the Flat-six Innovations the smallest UDP currently available? How much smaller than standard is it? I think it's 4-inch - how much smaller is that in percentage terms? 20%?

Thanks


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