Quote Originally Posted by mudski View Post
Save your coin and get the HPD high flow maf housing and air box lid. No need to worry about limp mode ever again. My boost gauge is to 30psi. Just as a test I wound the dawes right in. I had the needle on the boost gauge off the clock and I still saw no limp mode. But the engine light came on... jeez it went though.
Done the same as above, always had some form of limp no matter what I done as in would be good for awhile but then a random limp now and then, would be good then a cold evening and then limp at 3000rpm ect or upon harder than normal acceleration and limp on gear change, ended up doing my head in, put HPD MAF housing and airbox lid on and no limp ever again, did loose a bit power down low, put a chip in now it goes pretty good, still dialling it in a little.

I've wondered if you could just shave the inside of the standard MAF housing on a lathe and achieve similar results, I mean something like .30 tho of it, as doesn't the standard MAF housing narrow slightly in the centre of the housing to speed up the air flow past the MAF sensor, so making it straight through instead of narrowing could work? Would only be a smidge of and a cheaper option than HPD>