Re: reuse or new oil pump drive distributor gear?
[Re: mopars4ever]
#1828026
05/16/15 08:45 PM
05/16/15 08:45 PM
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Joined: Jun 2013
Posts: 1,521 Tacoma, Washington USA
Adam71Charger
OP
pro stock
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OP
pro stock
Joined: Jun 2013
Posts: 1,521
Tacoma, Washington USA
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stock pump or HV. also is the bushing new? to answer your question, big block drive gears should be the same but i would use a new one. I have not picked out a pump yet. I did upgrade the oil pickup tube to the 1/2" hemi, and the pan is 7qt. The bushing is brand new.
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Re: reuse or new oil pump drive distributor gear?
[Re: Adam71Charger]
#1828134
05/16/15 11:30 PM
05/16/15 11:30 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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It's not optimal, note the sharp transition between the hex and the shaft, a potential stress riser right there. Find one like this instead http://www.summitracing.com/parts/dcc-3571071/overview/
Last edited by Supercuda; 05/16/15 11:31 PM.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: reuse or new oil pump drive distributor gear?
[Re: Adam71Charger]
#1828155
05/16/15 11:59 PM
05/16/15 11:59 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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The slot is there, as for what "meant for an HV pump" means, who knows. The link I posted has a hardened tip and the gear is pinned to the shaft, doesn't get better than that. Only time I ever broke the tip off the intermediate shaft was on one that looked like your link and guess where is broke? Right at that transition. In my case a bit of casting flash got into the pump and locked it up. Not sure any shaft would of handled that. Mind you this was in a 79 360 in the mid 90's, so it can happen when you least expect it. A better pic http://www.moparonlineperformance.com/product-p/p3571071_gen2.htm
Last edited by Supercuda; 05/17/15 12:02 AM.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: reuse or new oil pump drive distributor gear?
[Re: Adam71Charger]
#1828157
05/17/15 12:01 AM
05/17/15 12:01 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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Yes start with the std pump & see if it will provide enough vol (which you will see as the PSI). I think you'll be fine unless you did alot of block oiling mods/loose clearances
live every 24 hour block of time like it's your last day on earth
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Re: reuse or new oil pump drive distributor gear?
[Re: mopars4ever]
#1828249
05/17/15 03:09 AM
05/17/15 03:09 AM
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Joined: Jan 2003
Posts: 1,069 Washington State
70Duster440
super stock
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super stock
Joined: Jan 2003
Posts: 1,069
Washington State
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The mopar ones need to sized with a special tool when they are installed. I have heard that some people use the aftermarket bushing without sizing it. The last two aftermarket bushings I've bought (440 Source) and installed did not require any burnishing - the shaft slid right in.
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Re: reuse or new oil pump drive distributor gear?
[Re: Adam71Charger]
#1828262
05/17/15 03:50 AM
05/17/15 03:50 AM
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Joined: Aug 2003
Posts: 43,718 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,718
Bend,OR USA
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Last edited by Cab_Burge; 05/17/15 03:52 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: reuse or new oil pump drive distributor gear?
[Re: Adam71Charger]
#1828279
05/17/15 05:17 AM
05/17/15 05:17 AM
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Joined: Jan 2003
Posts: 1,255 Columbus, GA
Michael Ecks
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,255
Columbus, GA
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I also dont see a slot for the distributor tip in that one The one you posted is fine, the one someone else posted is for a small block. If you choose a stock pump you can run whatever you like. An old stock one or the new one from melling you posted. If you run a high volume pump an intermediate shaft with radiused transition to the hex is good insurance. In this link you can see the difference. Hughes intermediate shaft
"The happiness of your life depends upon the quality of your thoughts" ~ Roman Emperor Marcus Aurelius
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