- Dec 8, 2014
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So tomorrow I'm going to look at an '88 GT. It has a cobra intake and bbk exhaust and the owner says it has a roller cam. There's no way to directly verify the cam, but I know that pre-89 Mustangs use speed density which won't work with anything other than the stock cam. So I figure if it doesn't have a MAF conversion, the motor will have problems or he's just lying. Here's my problem, I can't tell the difference between a speed density sensor and a MAF, and i can't seem to find any helpful pictures, so I need to figure out what to look for to figure out which system it has. If anyone can explain how to tell them apart or has pictures that would be great. Thanks!