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Re: Fuel system question
Posted to Technical Discussion Forum on 2/24/2020 7 Replies

Hi Mark,

Rags gave an easy way to tell if the injection had been upgraded. CSFI poppets require ~60 psi and the engine will shut right off below that. The MFI conversion will stay running down to 15-20 psi, because it's not poppet injectors. Login to read more.

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