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A 352 is pretty noisy anyway. Suggest leaving pan on FOR NOW and do other testing and inspection first.
Readjust the valves. Maybe one wore in/out.
Get a mechanic stethoscope. Find which injector (tough with cover on) or delivery valve is wacky. Remove inspection plate on front of engine housing to easily inspect IP drive gears for wear.
Often a 1/8 MNPT gauge, while tapered, will screw into the sender hole and only weep a tiny bit. A mechanical gauge will allow pressure verification independent of elect problems.
Good luck on this bummer deal. Lotsa rebuild ducats hazarded by careless final assembly :-(
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James Marriott
2003 Buick Regal
1983 300D (228k, frau Auto)
1996 Suburban K2500 (192k, 6.5 turbo diesel/4WD towmaster 10,000)
www.engineeringworks.biz
1987 300SDL junker 170k
1982 300SD junker, 265k
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