Your '88 TC has the factory boost controller on the passenger side fenderwell. Use that for now. It limits your boost to a reasonable level. Here's a pic.
Once you get your Mustang running and tuned properly then you can switch to an adjustable boost control and crank it up. This is the one most TurboForders use.............................
Gillis valve
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Trust in the Lord with all your heart and lean not on your own understanding.
Proverbs 3:5
1989 Mustang convertible w/built and turbo'd 2.3.
