Go Back   986 Forum - for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Performance and Technical chat

Reply
 
LinkBack Thread Tools Display Modes
Old 07-15-2007, 06:15 PM   #1
Registered User
 
Join Date: Jul 2007
Location: Puyallup, WA
Posts: 1
Post ECU Chip Upgrade

The car: 2001 Boxster 2.7

I am considering upgrading the ECU chip. I have spoken to three sources 1) GIAC 2) Upsolute 3) Powerchip. I am looking for customer results, support, satisfaction, and most important - true resulting performance after the upgrade

They cost is more or less the same - within $100.

Upsolute ads and website claim the best gain of all. They have an installation facility within 150 miles from home. The others require pulling the ECU and sending it overnight (downtime - 3 days).

Is there anyone out there who had experience with these upgrades and is willing to share that experience?

Any comment or advise is welcome.

CV580 is offline   Reply With Quote
Old 07-15-2007, 06:26 PM   #2
blkboxster
Guest
 
Posts: n/a
imo, there all bs
  Reply With Quote
Old 07-17-2007, 08:11 AM   #3
Registered User
 
Join Date: Oct 2005
Location: Seattle
Posts: 352
The chip would be pretty far down my list of modifications after the last three years of "building" my car. I had the GIAC software loaded in my car a couple of month ago and have not been overly impressed. In both spirited street driving and a day at the track I really didn't notice much difference. While I have experienced huge improvements in other vehicles with chipping the Porsche engineers just didn't leave that much on the table.
__________________
2000 Black Boxster S
EVO Intake & GIAC Tuning
Headers & Porsche Sport Exhaust System
ROW M030 Suspension
Front & Rear Strut Braces
B&M Short Shift & EVO Billet Linkage
steve00s is offline   Reply With Quote
Old 07-17-2007, 09:00 AM   #4
Registered User
 
Join Date: Mar 2005
Location: NY
Posts: 129
From personal experience, I would urge you to go with GIAC out of those three.

As with all normally-aspirated engines, gains from chipping will never come close to the benefit a turbocharged car will see - it will be a modest gain, especially on an engine where the manufacturer has gone further down the road towards maximizing stock power than most mass-market manufacturers will. Lots of people seem to forget that, or haven't had previous chipped experience with either a turbo or normally-aspirated engine, which is why they are disappointed.

Whether such modest improvements are worth the price is up to you. The fact is that there is not alot of additional power to be squeezed out of these engines unless you are going to add a turbo- or supercharger.
__________________
_____________
2005 Boxster S
Arctic Silver/Black/Black

Last edited by John Y; 07-17-2007 at 11:02 AM.
John Y is offline   Reply With Quote
Old 07-17-2007, 09:37 AM   #5
Registered User
 
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
Send a message via AIM to blinkwatt
Oh boy not this again.....(hides under a rock)
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
blinkwatt is offline   Reply With Quote
Old 07-24-2007, 10:38 PM   #6
Registered User
 
Join Date: Feb 2007
Location: los angeles
Posts: 22
im back

i am biased - but i say Powerchip
__________________
Trav C - Plug in. Take off.
silvered is offline   Reply With Quote
Old 07-25-2007, 05:22 AM   #7
07 Carrera S Cab
 
Boxtaboy's Avatar
 
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
Garage
I think if you are going to do this mod, you should do it last. What I mean is you are not going to get much gain from the chip alone. However, if you first alter your intake system, your headers, switch to sport cats or cat bypass, and add a freer flowing sports exhaust, then getting your ECU reflashed to take advantage of the differences would perhaps make sense. A chip alone or reflash alone, imo, does nothing but make you $1K poorer.
__________________
Current: 07 Carrera S Cab in Midnight Blue

Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
Boxtaboy is offline   Reply With Quote
Old 07-25-2007, 10:48 AM   #8
Registered User
 
Join Date: Jun 2006
Location: Huntington Beach CA
Posts: 21
Isn't the increased performance "feel" from chipping mostly the result of the chip simply reseting how the engine reads throttle position. In other words, the chipped car responds to half-throttle as if you were flooring it (or something like that). Very little performance gain from actually adjusting how the engine performs internally.

Or is that not right at all?
myeboxsters is offline   Reply With Quote
Old 07-25-2007, 11:58 AM   #9
Registered User
 
Join Date: Jan 2007
Location: Texas
Posts: 1,311
Chips usually just re-map the cars air-to-fuel ratio per gear at different RPMs. Basically changing the O.E.M. settings for more tourqe and horse power. Gains are usually very small.
porsche986spyder is offline   Reply With Quote
Old 07-25-2007, 12:02 PM   #10
Registered User
 
Join Date: Jan 2007
Location: Texas
Posts: 1,311
Quote:
Originally Posted by Boxtaboy
I think if you are going to do this mod, you should do it last. What I mean is you are not going to get much gain from the chip alone. However, if you first alter your intake system, your headers, switch to sport cats or cat bypass, and add a freer flowing sports exhaust, then getting your ECU reflashed to take advantage of the differences would perhaps make sense. A chip alone or reflash alone, imo, does nothing but make you $1K poorer.

From my past exp. with import tunning this is EXACTLY right. Best thing to do is get the car ready to breath better before you change the ECU. Then you will be taking advantage of all the bolt-on mods made. Could not have said it any better.
porsche986spyder is offline   Reply With Quote
Old 07-25-2007, 12:22 PM   #11
Registered User
 
Join Date: Feb 2007
Location: gta
Posts: 47
http://986forum.com/forums/performance-technical-chat/10474-chipped-cars-only.html#post101690

similar thread only more positive responses in my opinion the chip was not a real good investment, after having it for awhile I now wish I had just save my money for something else like a sc
__________________
1999 boxster yellow
mechanical-
evo intake, chip, desnorkled, boxster s exhaust & brakes, lowered w/ eibach & M030 combo
cosmetic-
gt2 bumper w/evo lip, TA side skirts, factory yellow painted interior, 18" turbo twists wrapped in AVS sports, 6 pack mp3
jordan986 is offline   Reply With Quote
Old 07-26-2007, 04:33 AM   #12
Registered User
 
edevlin's Avatar
 
Join Date: Jul 2006
Location: Virginia
Posts: 916
Hi have mentioned before that my favorite mod, if I had only one to do would be to the suspension. A nice set of coilovers and lowering made my base 2000 boxster run like a slot car. That being said, I really like the responsiveness of the car with the Autothority chip that I am using.

It seems to have flattened the torque curve, and has made the car more responsive and fun to drive. If you have the funds, go for chipping, if I am not mistaken, most let you try them out. If you have the funds, go for it, but if you dont, beware of the slippery slope of modding the car. I speak from experience, its great fun, but ouch it costs.....


Ed


__________________
My Car Webpage

2000 2.7L Boxster 102K; TTP intake, headers, high-flow cats; Dansk high-flow muffler; Autothority ECU chip; TechnoTorque 2; Bilstein coilovers; Racing Dynamics strut brace; stress-bar suspension kit; Aasco lightweight flywheel, B&M short shiftkit; 18" wheels; spare tire delete; OEM GT3 seats; JL audio speakers and subwoofer; Alpine PDX-5/PDX-2 amps; Kenwood DNX8120 CD/DVD/Nav; litronics, deambered
edevlin is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -8. The time now is 02:39 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page