04-14-2021, 10:57 AM
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#1
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Registered User
Join Date: Nov 2016
Location: NJ
Posts: 22
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2.5 Boxster Tune/ header Improvements or Dyno numbers?
Does anyone have 2.5 Boxster Tune/ header Improvements or Dyno numbers?
FOr classing have to stick with the @.5 and seeing how I can pull a little more power out of it
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04-16-2021, 06:39 PM
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#2
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Registered User
Join Date: Apr 2016
Location: SE Michigan
Posts: 496
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Underdrive pulley and 74mm throttle body from 1999 996 will get you a bit more noticeable gain, less belt noise and more intake noise too, what I did on mine.
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1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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04-27-2021, 07:15 PM
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#3
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Registered User
Join Date: Oct 2020
Location: KY
Posts: 1,214
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Quote:
Originally Posted by Boxstard
Underdrive pulley and 74mm throttle body from 1999 996 will get you a bit more noticeable gain, less belt noise and more intake noise too, what I did on mine.
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When you went up to a 74mm TB, was the dme able to compensate or did you need a 996 flash?
Sent from my POCOPHONE F1 using Tapatalk
__________________
2000 Box Base, Renegade Stage 1 performance mods complete, more to come
When the owners manual says that the laws of physics can't be broken by this car, I took it as a challenge...
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05-02-2021, 08:17 PM
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#4
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Registered User
Join Date: Apr 2016
Location: SE Michigan
Posts: 496
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Quote:
Originally Posted by ike84
When you went up to a 74mm TB, was the dme able to compensate or did you need a 996 flash?
Sent from my POCOPHONE F1 using Tapatalk
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Plug and play, no messing around with DME. Runs great!
__________________
1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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05-04-2021, 08:40 AM
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#5
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Registered User
Join Date: Oct 2020
Location: KY
Posts: 1,214
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Quote:
Originally Posted by Boxstard
Plug and play, no messing around with DME. Runs great!
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That's really interesting. When I went up to 82mm the dme could not adjust, not even close.
Sent from my POCOPHONE F1 using Tapatalk
__________________
2000 Box Base, Renegade Stage 1 performance mods complete, more to come
When the owners manual says that the laws of physics can't be broken by this car, I took it as a challenge...
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05-04-2021, 04:48 PM
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#6
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Registered User
Join Date: Apr 2016
Location: SE Michigan
Posts: 496
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Quote:
Originally Posted by ike84
That's really interesting. When I went up to 82mm the dme could not adjust, not even close.
Sent from my POCOPHONE F1 using Tapatalk
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Maybe because your car had e-throttle, not cable-throttle as mine?
__________________
1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Ben’s short shifter, PSE, 996 TB, UDP, stereo/ center console delete, hardtop and speedster humps, daily driver rain or shine or snow!
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04-26-2021, 12:38 PM
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#7
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Registered User
Join Date: Aug 2005
Location: Sanford NC
Posts: 2,581
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Since you want it to be legal in its class, ask the racers in that class. By all means AOS, deep sump with baffles, suspension updates before worrying about power. You want reliability and handling first for your safety. Once your ability has been tested to the max, then worry about power/speed.
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