Compression Ignition Addict
Join Date: Aug 2011
Location: Park City, UT
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looks like 4 to 5 seconds...I'm having the same thing. Only when it has been sitting for a while. If it's been running within the last hour or so, it fires in 2 or less (I've taken to counting every time I crank it).
When I did my delete I did the STC fitting too and for a while it fired right away no matter what. Then this started. I don't think it's dummy plugs or stand pipes because it fires so fast when it's warm. (I think this rules out STC fitting too)
Sinner mentioned to me that it sounded like maybe oil drain-back. I watch my insight and it seems to be taking that long to build up enough ICP to fire. He said this can happen when people use oil filters other than Motorcraft. I'm only using Motorcraft, so I'm not sure.
Not sure if this helps, but maybe can help you rule some things out and maybe I can get some ideas in the process.
06 F350 Lariat
Edge Insight CS
Blue Spring Update, EGR Delete, STC update, Stand Pipes and Dummy Plugs, Turbo feed and drain tube update, Sinister coolant filter, New stock oil cooler, Zerex ELC, RiffRaff Boots, Isspro Fuel PSI, DC Alternator, ARP Studs, Heads from Jared, OEM Head Gaskets, Yukon Dura-Grip Posi
Warren 155cc/stock injectors
SCT with tunes from Vivian
Western 8-1/2ft Pro Plow with UltraMount
Hansen Front Mount Snow Blower