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Paul Workman · 08-21-2015

IIRC, installing a 92(?) head under my 90 IH results in a double restriction; one in the IH, and the later mo. head. I thought about it at the time and decided there was no issue with the redundancy. For 5+ years and 20K miles, it hasn't mattered, far as I can tell.

08-21-2015	#4
Paul Workman Join Date: Nov 2007 Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri Posts: 6,466	Re: Difference between the years: PVC restiction IIRC, installing a 92(?) head under my 90 IH results in a double restriction; one in the IH, and the later mo. head. I thought about it at the time and decided there was no issue with the redundancy. For 5+ years and 20K miles, it hasn't mattered, far as I can tell.