You can change the style the forum displays by selecting your preferred style at the bottom left of the site.
We have made an enhancement so that old threads should now link from search results to the correct thread. This is not yet in place for single post links
Am going to upgrade my map sensor in ecu ... Can somebody please elaborate what the difference between 3 and 4 bar is ... I want when project finished about 420-450 bhp ... Sorry if this question has been asked a thousand times already .
With a 3 bar sensor the max boost you can run is 3 bar or 29psi. Should be enough to hit your bhp target, depending on the rest of your system obviously. The downside of going for a higher map sensor is that you lose mapping definition as you only have a fixed number of mapping points and they will be divided over a larger scale. A 4 bar is about 43 psi boost, you would need serious mods to go that high.
Should be able to get the MAP sensor done when you get it mapped and take advice from the mapper. Depends on turbo really, but a turbo capable of that sort of power can be run over 3 bar absolute in the mid-range, so going for a 3 bar MAP could limit your mid-range torque possibilities.
What turbo is it? Might be easier for people to post up what they have with the same one...
Cheers'en, AndyC
1994 ABY Coupe - Projekt Alpinweiss
G71 Manifold Absolute Pressure (MAP) sensor information
Originally posted by superior
Can somebody please elaborate what the difference between 3 and 4 bar is ... I want when project finished about 420-450 bhp ... Sorry if this question has been asked a thousand times already .
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
Which came from clicking on the G71 MAP label in the upper middle left on this livelink Engine Bay Device map (all the other links are live so you might want to book mark the map):
cheers guys that gives me a bit more insight into what"s needed ....
so by reading this I may need to be somewhere between 3 and 4 bar sensor as I do not want to be changing this twice . I am still undecided between the kkk26 hybrid or the garrett .
who stocks these sensors on-line and any recommendations on makes ???
We process personal data about users of our site, through the use of cookies and other technologies, to deliver our services, personalize advertising, and to analyze site activity. We may share certain information about our users with our advertising and analytics partners. For additional details, refer to our Privacy Policy.
By clicking "I AGREE" below, you agree to our Privacy Policy and our personal data processing and cookie practices as described therein. You also acknowledge that this forum may be hosted outside your country and you consent to the collection, storage, and processing of your data in the country where this forum is hosted.
Comment