Posted April 19, 201014 yr Got the above meters for sale, there are out my skyline but i think they will fit any turbo cars. The avcr is good for uping and downing the boost also gives you all the reading like throttle response, speed revs etc. Not sure what the safc but think it reads air/fuel ratio, and same as above but not boost. Looking for £150 each located in rugby can get pics if gen intrested.