I brought a turbo solenoid and vaccum pump. Great improvement. The turbo spools and the truck rides like new. I love hearing the turbo whine. Planning on getting the performance upgrade.
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From: Lawrence R S.

I would like to THANK YOU Walt for your help!!! You offer great advice and we replaced the PMD with your FSD Heat Snyc's and that fixed the problem. My Suburban starts and runs like a Champ now. THANKS SO MUCH FOR YOUR HELP WALT. Tony
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From: Tony