Underhood Temp Prep

In preparation for recording underhood temperatures three sensors were installed to log different areas within the engine compartment. Additionally the HPA HPFP has been installed so that tuning of the Shuenk IS38+ turbo can continue.

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HPA High Pressure Fuel Pump

Adding Fuel Pressure Headroom

The past couple of months have shown progress with tuning of the Shuenk IS38+ turbocharger. Recent concerns on my part about the fuel rail pressure not meeting the requested levels prompted considering options to resolve this deviation. Lowering boost pressure or upgrading the high pressure fuel pump (HPFP) were the two options being considered. I

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