Compression Ignition Addict
Join Date: Oct 2011
Location: Tehachapi, CA
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If you run it like that, your oil (some of it anyway) will be bypassing the oil filter and not get filtered (not good on a HEUI engine such as this). The early trucks had the bypass valve parts (spring, fiber disk, and washer ... goes back in in that order) simply staked in place. This was also true for the oil pressure regulator valve parts (on the block side of the header adapter). The newer trucks got the updated header adapter with those valves retained with snap rings. Here's the part number for the updated header:
Oil Filter Header (updated snap ring retained bypass and regulator valves)
List price for it is $245.87, but you can get it for $121.70 at AutoNation Ford White Bear Lake (previously Tousley Ford), so don't let your local dealer rip you off (mine is horrendous). Cheers!
1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed
SOLD - 1994 F350 CC DRW 2WD PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, DPPI DP, Bilsteins, $12 AIC, Coolant Filter, Explorer Overhead Console, A-Pillar w/ISSPRO Black Ice, EV Boost, and EV Pyro, Modified Pedestal, Gutted EBPV.