oil pump installation question

82 GT · 07-02-2003, 08:30 PM

When does the oil pump shaft get installed? According to the book, I'm supposed to install the shaft to the pump before I bolt the pump down but that's impossible because the shaft won't stay in the pump. Can I install the pump after I bolt the pump down...like down through the dist. bore?
I don't understand how that works.
I also don't understand how that washer on the oil pump shaft is supposed to be installed....which way...towards the oil pump or towards the distributor?
The book I'm using isn't very specific.

DemonGT · 07-03-2003, 07:07 AM

not sure on the install

but the washer goes up toward the distro..so in the future if you ever need to pull your distro out you dont pull the pump shaft out of the pump in the process

Jeff Chambers · 07-03-2003, 07:12 AM

Yep, bucket of the retaining clip goes UP towards the distributor shaft. The dist shaft will actually sit in the bucket.

As far as the shaft/pump installation, put your distributor in (doesn't matter on stabbing it correctly at this point), lock it down and roll the motor upside down on the stand. Now you can assemble the pump to the block with the shaft installed (clip already positioned). Snug the pump down and check the free play (up & down) of the shaft. You want about 0.060" (1/16th) of shaft end play to keep the shaft from binding up. If too much end play, pull the pump & shaft and move the clip towards the end of the shaft. If too little, pull the pump & shaft and move the clip towards the center of the shaft a little.

82 GT · 07-03-2003, 02:03 PM

Thanks guys!!
I also realized that my HV oil pump doesn't work with my oil pan(too tall). I guess I'm just going to run a standard volume pump.

07-02-2003, 08:30 PM	#1
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	oil pump installation question When does the oil pump shaft get installed? According to the book, I'm supposed to install the shaft to the pump before I bolt the pump down but that's impossible because the shaft won't stay in the pump. Can I install the pump after I bolt the pump down...like down through the dist. bore? I don't understand how that works. I also don't understand how that washer on the oil pump shaft is supposed to be installed....which way...towards the oil pump or towards the distributor? The book I'm using isn't very specific. __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.

07-03-2003, 07:07 AM	#2
DemonGT Registered Member Join Date: Aug 2000 Location: Wisconsin Posts: 879	not sure on the install but the washer goes up toward the distro..so in the future if you ever need to pull your distro out you dont pull the pump shaft out of the pump in the process __________________ '91 GT,410W,10.5 to 1 comp,Victor Jr. heads,Victor 5.8 intake,FTI cam,Crane retro fit lifters,Scorpian 1.6 RR's,Melling HV oil pump,MSD distro.,Canton oil pan,FMS flywheel,Romac balancer,FMS timing chain,Accufab 90mm TB,C&L 76mm maf, 42lbers,HD clutch,K&N air filter,Mac long tubes,Pro dumps,powerchamber,FMS 9mm wires,180 thermostat,Ford Racing gauges,5inch Tach,centerline convo pro's,nitto DR's,Pro3i lower control arms,50/50 shocks,3.55 gears,TFS HD diff. cover Next year: Tremec TKO,Spec stage 3 clutch,alum driveshaft,complete fuel system www.angelfire.com/linux/demondan

07-03-2003, 07:12 AM	#3
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Yep, bucket of the retaining clip goes UP towards the distributor shaft. The dist shaft will actually sit in the bucket. As far as the shaft/pump installation, put your distributor in (doesn't matter on stabbing it correctly at this point), lock it down and roll the motor upside down on the stand. Now you can assemble the pump to the block with the shaft installed (clip already positioned). Snug the pump down and check the free play (up & down) of the shaft. You want about 0.060" (1/16th) of shaft end play to keep the shaft from binding up. If too much end play, pull the pump & shaft and move the clip towards the end of the shaft. If too little, pull the pump & shaft and move the clip towards the center of the shaft a little. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"

07-03-2003, 02:03 PM	#4
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Thanks guys!! I also realized that my HV oil pump doesn't work with my oil pan(too tall). I guess I'm just going to run a standard volume pump. __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.

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