06-15-2012, 07:02 AM
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#21
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Quote:
Originally Posted by sgt brad
i assume that the gains are significant. i guess i need to drive a 987 to see the difference b/w it and my 02 s. long term i am considering a raby build and at 320 it would be similar gains to the ruf. just wondering how significant the difference is to the sop dyno. i figured todd would be able to give some real world comparisons. if the difference is negligible or less than the difference b/w a std boxster and an s then i will reevaluate my long term plans.
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Yep, the m96 3.6L x51 is probably 330rwhp with a wide flat torque curve. Roughly 100 ftlb more tq than a stock Box S. A lot of motor. This is what Jake said a while ago:
M96 3.6L X51 option - what is it? - Rennlist Discussion Forums
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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06-15-2012, 03:22 PM
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#22
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by Topless
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A few other smaller details. Roughly good for 25 RWHP on my dynojet.
I take these to 3.8 liters, do more head work, alter cam timing and throw a few tricks to them and 350 RWHP is common.
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Jake Raby
Flat 6 Innovations
How did you come up with those guesses? 
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06-15-2012, 05:01 PM
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#23
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Trust me a 3.6 motor in a Boxster is amazing.
997 owners can't believe they are being passed by what appears to be a 2.5 Boxster
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1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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06-15-2012, 07:00 PM
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#24
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by Paul
Trust me a 3.6 motor in a Boxster is amazing.
997 owners can't believe they are being passed by what appears to be a 2.5 Boxster
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Yeah I have one, but it ain't like topless is guesstimating.
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06-16-2012, 03:51 AM
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#25
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Agreed, perhaps a test drive in a 3.6 997 would help. I believe an early Boxster with a 3.6 is lighter than an 997 so the Boxster has an advantage.
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1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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06-16-2012, 03:58 AM
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#26
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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It's all about torque when it comes to SOP dyno runs. The 3.6 has 295 lbft.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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06-16-2012, 10:54 AM
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#27
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Quote:
Originally Posted by BYprodriver
A few other smaller details. Roughly good for 25 RWHP on my dynojet.
I take these to 3.8 liters, do more head work, alter cam timing and throw a few tricks to them and 350 RWHP is common.
__________________
Jake Raby
Flat 6 Innovations
How did you come up with those guesses? |
Pure guesstimation.
I have seen dyno runs on the 3.6X51 on Rennlist and with stock headers and stock tune they typically produced 295 ft/lbs (roughly 100 more than a stock 2001 Box S) with varying hp. Some were 305-307rwhp, some were more. I remember this build and I believe Todd had custom headers and custom tune which further improved performance. I will allow Todd to speak for himself regarding exact HP output on his motor because I really don't know.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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09-17-2012, 08:50 AM
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#28
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Registered User
Join Date: Mar 2006
Location: San Carlos, CA 94070
Posts: 1,450
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Todd,
do you still have the engine for sale?
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I still wave at Boxsters, but they no longer wave back :-(
2002 Boxster S "Violet" (sold but not forgotten)
2009 Carrera 4S "Kelsey" (current ride)
2015 FIAT 500e "Nikki" my commuter car
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09-18-2012, 05:32 AM
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#29
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Registered User
Join Date: Jan 2006
Location: Glen Allen, ON
Posts: 314
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sorry, the engine is not for sale
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Current Cars:
1989 911 Targa
1984 944 Original Owner
1971 911T
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