Was at the wreckers getting a spare 6.0 HFCM as am using them to do a DIY E-fuel for my sig truck. I noticed a 6.4 HFCM and it looked (externally) to be exactly the same as the 6.0 with the exception the feed lines to pump and engine where 1/2 lines compred to 3/8's......got me thinking perhaps the 6.4 pump might flow more volume and higher pressure.
'K so obviously been down in the OBS forums way too long...heh heh...I had made the assumption the 6.4 fuel system is similar to 6.0 or is the 6.4 a lift pump only?? Could you provide me with link to how the 6.4 system works?
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