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    2.7 Heffner Pulley Problem

    One other item to note that we saw on the dyno while tuning, were the MAF counts. Initially the tuning session was halted because the MAF hit 1023 counts. (maxed out) At that point the car began to lean out, which is normal when the MAF hits saturation. A MAFIA was installed which of course...
  2. G

    2.7 Heffner Pulley Problem

    GT350H...I had a chance to call an engineering friend this evening. Long time background in S/C design. His opinion (and this in no way relects on any one or any company or it's products) the expansion rate and shrink rate of alum and steel are different. Aluminum will expand faster with heat...