xnology 0 Posted November 12, 2005 I downloaded the MFA #'s from one of the posts on the forum to check my boost. My car idles at between 75 and 81 after the little hold in -shut off - restart - release - press one time procedure. Not the 450 - 800 listed in the posts. My highest boost reading was 231 in third gear at 6K RPM. Not in the range listed in the posts (anywhere from 200 for negative boost to 2200 for 17+ psi). My car is extremely quick and puts out loads of boost, but I need to know if anyone here has knowledge of a UK/US conversion factor for the MFA #'s listed out here. Quote Share this post Link to post Share on other sites
mondy 0 Posted November 12, 2005 Hi, Take a look in the buying guide - it shows the US figures in the first column of the table. 231 translates to between 11.6 and 14.5 psi according to the guide. David. Quote Share this post Link to post Share on other sites
bcstudent 0 Posted November 13, 2005 I'd call that pretty healthy boost! Quote Share this post Link to post Share on other sites
xnology 0 Posted November 13, 2005 Where can I find the buying guide? I would hope that those numbers are not correct. The G60 was worked over by BBM and has a 68mm double wide pully and their numbers say it should be between 17-20 psi. This car goes like stink! My 1st G60, chipped, with a stock charger can't come close to my new one. What boost are they supposed to put out standard? Quote Share this post Link to post Share on other sites
markmcie 0 Posted November 13, 2005 MAF boost readings are not meant to be the most accurate (so they say). A boost gauge is you best bet. Also if you have the head flowed or bigger intercooler this will reduce boost pressure caue there is less resistance but in reality you will still be flowing the same amount of boost. Quote Share this post Link to post Share on other sites
Tempest 0 Posted November 13, 2005 Sounds like you have a VDO instrument. They display different values for the same boost to the Motometer instruments: VDO Motometer Boost (mbar) 15 200 0 55 400 0 90 600 0 127 800 0 148 1000 0 172 1200 200 192 1400 400 211 1600 600 228 1800 800 242 2000 1000 255 2200 1200 Tempest Quote Share this post Link to post Share on other sites
xnology 0 Posted November 13, 2005 Cool. Thanks to for all the help! I am new to the Corrado family and there is a lot to learn about these little devils! Quote Share this post Link to post Share on other sites
Spykee 0 Posted November 23, 2005 anyone got any ideas what the readings should be if the car MFA is showing it in psi or pascals? :? (for a stage 2 charger) cheers, Quote Share this post Link to post Share on other sites
stevemac 0 Posted November 23, 2005 xnology, There's a full list in the DIY section of http://www.snstuning.com Quote Share this post Link to post Share on other sites
xnology 0 Posted November 23, 2005 Thank you! I hope that these numbers are not very accurate however, as my stock G60 is putting out around 12 psi and my new one is pushing a ton more yet the number displayed is not much different. It feels like twice the car - easily. Quote Share this post Link to post Share on other sites
