Quote:
Originally Posted by liquiddog
What purpose does that vac line serve? I thought it was just there in case the fpr was faulty and leaking fuel? I'm asking because mine is unhooked with the hole plugged on the large tube going to the air cleaner for "technical" reasons.
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The FPR is connected to the manifold vacuum, it pulls back the FPR at idle for lower pressure in the rail and goes to full regulated pressure at the rail with no vacuum aka wide open throttle.