Threaded Mode
© Copyright 1995 thru 2008 - The Mustang Works™. All Rights Reserved.
MustangWorks.com is designed and hosted by Aero3 Media.
MustangWorks.com is designed and hosted by Aero3 Media.
02-08-2002, 08:40 PM
|
#12 |
|
Registered Member
Join Date: Jun 2001
Location: Quebec canada
Posts: 92
|
It's not the change in vaccum that make the speed density idle bad. It's because it can't add extra fuel. If you add 30% more air on a mass-air car, it will increase the duty cycle( pulse ) of the injectors but not speed density, it have fix tables in the computer. So if you add 30% more air on SD you will need to add 30% more fuel. How? With a fuel pressure regulator or with custom chip wich increase the duty cycle of the injectors. I do not have a cam on my car but if i lower the fuel pressure it will run like crap.
__________________
Ported stock heads and intake, 65mm throttle body, 1.7 roller rockers, pulley, superchip,afpr, electric fan, motorsport headers, magnaflow cat-back, hurst shifter, 3.55 gear, speed density computer 12.81@ 104.7 on E.T street (1.77) |
|
|
|
|
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| I'm back, anyone miss me? | rustang girl | Blue Oval Lounge | 18 | 10-10-2002 11:34 PM |
| Back from the Track - Good News/Bad News with Diablo | apenn | Modular Madness | 1 | 09-22-2002 02:50 AM |
| Mass Air Conversion | RoadWarrior | Windsor Power | 2 | 05-23-2002 07:27 PM |
| Time to go back to school. | Unit 5302 | Modular Madness | 12 | 04-27-2002 03:46 PM |
| Converted back to speed density, it works | 88workcar | Windsor Power | 4 | 02-11-2001 08:31 PM |