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Old 08-12-2018, 10:11 PM
Dust Dust is offline
Senior Member
Join Date: Mar 2007
Location: Frankfort, Kentucky
Posts: 227
Default Is direct port necessary for cruising injection?

Iím looking at an MB OM648, BMW M57, or VW CBEA equipped vehicle, and interested in putting an HFS-4 to use. The intake manifolds are below. Iím wondering if a positive pressure (I think 5 psi on the OM648) at highway speeds will be enough to distribute somewhat evenly?



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