the fsd heat sync solved my problems of my 94' 6.5 stalling and hard starting.i pulled my camper up and down the mountains of west virgina with no problems. and my stock 6.5 is got 295,000 on it and it still runs strong.I will be ordering more parts from...
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From: paul p.

Walt is truly a saint! Even home recovering he still had dedication to helping diagnose my 6.5L turbos electrical issues, where together we pinpointed the problem to the electronic computer module. bought it, installed it, and truck runs great again. This...
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From: Kevin B.