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Author Topic: Oil Pump Shaft Bushing on my 340 ... nobody knows?????  (Read 277 times)
norway_dartsport
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Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« on: May 07, 2008, 12:59:43 PM »

the Oil Pump Shaft Bushing folowed my old oil pump shaft when i pulled it out of my engine ... do i need to replace it or do you glue it to the motor???
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nothingbutdarts
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Re: Oil Pump Shaft Bushing on my 340
« Reply #1 on: May 07, 2008, 01:06:21 PM »

I believe there's a special tool you use to do a finish installation to it. It slips my mind the term of what's done to it. Sorry. I'm sure some one will chime in and refresh my memory on what it's called.
The tool kind of steaks or holds it in the block from turning and pulling out.
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Re: Oil Pump Shaft Bushing on my 340
« Reply #2 on: May 07, 2008, 03:59:18 PM »

most likely it was the garbage build-up on the distributor shaft that cause it to pull out. remove the old one and clue it in if you like or you can buy the tool. it's called a burnishing tool and will be needed to install a new bushing.
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norway_dartsport
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Re: Oil Pump Shaft Bushing on my 340
« Reply #3 on: May 08, 2008, 05:59:15 AM »

most likely it was the garbage build-up on the distributor shaft that cause it to pull out. remove the old one and clue it in if you like or you can buy the tool. it's called a burnishing tool and will be needed to install a new bushing.


do anyone have pics of the tool Huh? if i can glue it in ... what glue Huh and do i need a new one Huh is the old one to thow away???
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268darts
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Re: Oil Pump Shaft Bushing on my 340
« Reply #4 on: May 08, 2008, 10:16:07 PM »

I replace that bushing without burnishing it. Took my dist. to the parts house and picked a bushing that slipped on it. You can probably use a little scotch brite in the dist. shaft and reuse your old bushing.
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fishy68
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Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #5 on: May 09, 2008, 09:35:20 PM »

The only one I ever took out was in there real tight and I had to drive it out from the bottom so I'd say there was something really wrong that yours just came out that easy. When I installed the new one it also fit very tight in the block. I didn't have the burnishing tool they recommend but had no trouble driving it in with a piece of 1" round rod with the middle turned down to just fit in the bushing. Then when I tried to put the o.p. drive shaft in it  wouldn't go in it so i had to run a 31/64" drill bit through it to open it up some. You have to be real careful though as to not take too much out or it will be loose and cause spark scatter (erratic timing). If I were you I wouldn't reuse the old one. Get a new one, they only cost about $8
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fasttcars
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Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #6 on: May 09, 2008, 09:54:47 PM »

..it probably became loose because  it might have been left in if it was hot tanked?...either way...their's no special tool needed just get your basic  bronze bushing  for sbd  bbd  at any local machine shop....  slightly bevel and radius the end that fits into the block{way less hassels that way plus it will keep it from going out of round}...then use a old  or any  sbd oil pump drive   install the bushing onto the shaft  where it normally rides ... then slip the shaft back into it's place    then  place something on top of the drive {like a extension}....that will allow you to give it a couple liight knocks pressing it down  into place ...the gear will slip into the gear on the cam keeping everything square ...  pull  the drive out once to make sure the bushing is bottomed out ...... and away you go........ 4 speed
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norway_dartsport
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Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #7 on: May 12, 2008, 01:41:12 PM »

..it probably became loose because  it might have been left in if it was hot tanked?...either way...their's no special tool needed just get your basic  bronze bushing  for sbd  bbd  at any local machine shop....  slightly bevel and radius the end that fits into the block{way less hassels that way plus it will keep it from going out of round}...then use a old  or any  sbd oil pump drive   install the bushing onto the shaft  where it normally rides ... then slip the shaft back into it's place    then  place something on top of the drive {like a extension}....that will allow you to give it a couple liight knocks pressing it down  into place ...the gear will slip into the gear on the cam keeping everything square ...  pull  the drive out once to make sure the bushing is bottomed out ...... and away you go........ 4 speed

thanks . i have ordered a new one Smiley i will mount it on my old shaft where i cut of the gear and welded on a longer pice for mounting on a drill ... then it should fit right in ... i hope ..
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fasttcars
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Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #8 on: May 12, 2008, 08:13:05 PM »

yeah..  and just don't forget  to bevel the end   to give it a decent start without creating any excess filings...or possible distortion
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norway_dartsport
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Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #9 on: May 14, 2008, 10:39:30 AM »

yeah..  and just don't forget  to bevel the end   to give it a decent start without creating any excess filings...or possible distortion

it whent right in Smiley
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fasttcars
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their's nothing like the rumble of a big block


Re: Oil Pump Shaft Bushing on my 340 ... nobody knows?????
« Reply #10 on: May 14, 2008, 10:43:20 AM »

good to here it worked out for ya....i never had any doubts.. Smiley
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