displacement on demand LS2??????????? - Pontiac GTO Forum
User Tag List

LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 12-01-2004, 08:55 AM Thread Starter
Join Date: Nov 2004
Posts: 267
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
displacement on demand LS2???????????

the new ls 2 has relocated sencers to accomadate the new displacement on demand system, the 05 LS2 doesnt use this system yet, but i would bet as the factory hp numbers go up on the ls2 the displacement on demand will be put into production. [remember the cadilac tryed this and it was a disaster ] any thoughts????? ho, one other observation, why not put the VERY ANNOYING skip shift on a fuse? so we can just pull the dam thing out,i have the 04 gto and havent put the skip shift eliminator on yet but i am sure its harder than pulling a fuse.
flht3 is offline  
Sponsored Links
post #2 of 4 (permalink) Old 12-01-2004, 07:24 PM
Join Date: Sep 2004
Posts: 98
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The old Caddy 8-6-4 ?? oops. Is a totally different system than the new displacement on demand. ECM ( computer size ) has increased exponetialy as has the technology to shut off the cyclinders.( hydralic/mechanical camshaft and valve actuation ) The new 300C and Magnum have a version of displacement on demand coming out in 05. Many more will have it soon. It will be much better than the old system. Times change and technology moves forward.
GTO TOO is offline  
post #3 of 4 (permalink) Old 12-01-2004, 07:38 PM
Join Date: Sep 2004
Posts: 2,473
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
This is a cross-post, but what the hell.

The Chrysler 300C's 5.7L Hemi has this technology (they call it "MDS" for Multi-Displacement System) hidden under that brutally fugly sheetmetal.

The 5.7L HEMI® Multi-Displacement System (MDS) V8 engine with 340 horsepower at 5,000 rpm and 390 lb-ft of torque is standard on 300C, making it the most powerful sedan in its class.* The MDS system allows the engine to operate on four cylinders when power demands are minimal for an up to 20-percent increase in fuel efficiency. This provides the power of a V8 with the economy of a large V6. (EPA estimated mpg: 17 city/ 25 highway)
Those mileage numbers are about what I get in GTO, so it sound like needless complexity to me...unless the fuel efficiency of the Hemi is really that bad.


BTW the infuriating CAGS or"skip-shift" can be bypassed with a simple inline fix: http://www.pfyc.com/store/merchant.m...y_Code=GTOTHER

Last edited by Groucho; 12-01-2004 at 07:41 PM.
Groucho is offline  
post #4 of 4 (permalink) Old 12-01-2004, 08:40 PM
Xman's Avatar
Join Date: Oct 2004
Location: Fort Worth TX
Posts: 410
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
People get frustrated with the CAGS device but it contributes to GM meet meeting theri corporate fuel economy mandate and let's us buy these vehicles without paying a $1000 gas guzzlier tax on the 6-speed manual transmissions models. It is a snap to change it out. You can get a CAGS eliminator for $15 at


It is a snap to install it. Jack up the drivers front wheel. Insert a jackstand to secure the vehicle, slide under and on the drivers side of the transmission, on top, is a white male connector. unplug it, insert into the CAGS eliminator, plastic tie it to the tranny, snap in the solinoid cap replacement, and enjoy. Make sure the exhaust is cool before you do this.
Xman is offline  
Sponsored Links

  Pontiac GTO Forum > The 2004-2006 GTO > Service, Maintenance and Technical Discussion

Quick Reply

Register Now

In order to be able to post messages on the Pontiac GTO Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may 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 Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome