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#1
05-29-2018, 10:19 PM
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Excessive oil under dist.cap
Has anyone experience excessive oil inside distributor cap and know why or how to control it? I run a msd billet dist that's about 8 yrs old. With a oil feed hole for gear and also run a vacuum pump with about 14" vac at idle. I have cleaned under the cap 2 weeks in a row
With same amount there. I run a crank trigger set up too. I have taken the distributor completely apart and seem tight with no play. Keith |
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#2
05-29-2018, 10:26 PM
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With a vacuum pump system, this is a little puzzling. We had oil in the distributor issues with a Mallory distributor years ago. That distributor had a large 1/4" feed hole into the shaft area. I tapped it and screwed a .060" restrictor in that hole. That took care of it. It was fine on the drag strip. Thousands of street miles could be a problem.
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#3
05-29-2018, 10:27 PM
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Pic of Badgto’s distributor
__________________
Come take a ride http://www.youtube.com/watch?v=P7Y8Awfk2I0 2008, 2013, 2015, 2016, 2019 Central Il Dragway Mod track champion and 2015 IHRA Div 5 Mod champion 
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#4
05-29-2018, 10:31 PM
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This distributor had never been used on the street. I have use this oil feed plug bef ore no issues.
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#5
05-29-2018, 10:37 PM
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There is a seal in the top of it. Could be your problem
__________________
Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#6
05-29-2018, 10:43 PM
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The only thing I see at the top of the dist body is brass insert and the shaft rides on 2 thin brass washers. Does the seal have any rubber lip or anything to help seal?
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#7
05-29-2018, 10:46 PM
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I replaced one a while back. Yes it's a lip seal. I remember there was roller.bearing in that area to.
__________________
Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#8
05-29-2018, 10:49 PM
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Does msd make a kit that you can buy?
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#9
05-29-2018, 11:54 PM
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Keith i have one that you can borrow if needed
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#10
05-30-2018, 06:56 AM
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Got the parts from a local speed shop that was a msd dealer. You could more than likely get them strait from msd.
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#11
05-30-2018, 06:59 AM
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Thanks for the help.
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#12
06-21-2018, 08:03 AM
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Bringing this subject back up because I have a stock Pontiac distributor in my race car that is leaking oil into the cap as well. Is there a seal in the stock distributor anywhere that could be going bad? I have a vacuum pump but it's still leaking.
__________________
62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
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#13
06-21-2018, 08:18 AM
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I assume your block plug is drilled to oil the Dizzy and Cam gear, and if so to what size?
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#14
06-21-2018, 08:08 PM
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No, it's not drilled to oil the gear. Race only engine with BOP gear.
__________________
62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
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#15
06-22-2018, 06:18 AM
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Big nose up lunches and no rear of pan baffle plate ,or baffle plate alone on the rear main cap studs can send a ton of oil right up into the Dizzy!
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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