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View Full Version : S4 2.7 is it running full boost



ian4455
13-11-2009, 08:36 PM
I've recently purchased a very cheap S4. Found the N75 valve to be the wrong one and piped in the wrong way round! Fitted the correct one.

I've carried out a pressure test and found to have no leaks @ 15psi. Fitted new DV's 710's for safe measure. Cleaned the MAF but still no convinced the cars running full boost, is there anything else to check ???