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Author
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Topic: Distributor Gear?
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thumpin cat
Gearhead Posts: 474
From: Santa Barbara, California
Registered: Mar 2002
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posted 07-09-2003 11:00 PM
  
How worried should i be about my Distributor Gear getting Eaten (Destroyed) When using a High Volume Oil Pump?
Please let me know thanks.
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Butch Jennings
Gearhead Posts: 626
From: No. California
Registered: Apr 2000
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posted 07-10-2003 12:20 AM
I wouldn't worry about it at all.------------------
Butch
460 powered 1967 Comet Cyclone
10.271 @ 130.231
Butcher's Home Page
"Friends don't let friends drive Chevys"
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mvierow
Gearhead Posts: 209
From: Bay Area, Ca
Registered: Apr 2001
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posted 07-10-2003 01:13 AM
Dude from bad ass engines recommends not using the high flow oil pumps on ford motors because the gear is small and encounters a lot of frition when using the high flow pumps. He mentioned to me not to use them, or if you do, to perriodically check the gear to make sure its not getting mangled. If you use a steel cam that requires a bronze gear it may be more of a problem then when a steel gear is used.Check this link... http://www.badasscars.com/techtips.html#Anchor29
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Tbird
Gearhead Posts: 298
From: USA
Registered: May 2003
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posted 07-10-2003 07:58 AM
The key to good distributor gear wear is installing it in the right postion on the shaft. The hole that comes in the replacement gears are just pilot holes and are NOT in the correct position.There are probably more destroyed dizzy gears because of this and blamed on oil pumps that you can count. I found this on another site the other day. Directly from an old Ford Muscle book. http://groups.msn.com/_Secure/0UQAAAJEYZPy8nLEZJoj6qmzhnEAoPLmxi5V8a62!NEahj2eCBh9dgdTR6GDiiXDAouyyVKH9RH3JUFaWrmrVEvICfnLqSxhjF9NXpubGG1H986aB9dGgLBzkZ6Z71kLm/dizzy-gear-small.jpg [This message has been edited by Tbird (edited 07-10-2003).]
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Butch Jennings
Gearhead Posts: 626
From: No. California
Registered: Apr 2000
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posted 07-10-2003 10:16 AM
I've been building engines since I was 14 and for about a 10 year stretch I averaged assembling 3 to 4 a month and was involved in the machining of many more than that. I've never seen a distributor gear go bad because of a HV pump. If you're running a bronze or steel gear on a steel cam, then that's a whole different situation. If you're after every last bit of power then the oil pump is a good place to look (I'd use and external pump if that was the situation). But if you're after longevity and reliability then more oil is good, that's why there is a pressure relief valve involved in the system. The bigger issue with running a HV pump is making sure that the oil can get back down into the pan well enough to not fill the top of the engine and empty the pan. It is common to block and screen drainback holes to control windage and that can cause problems, if provisions aren't made for proper drainback. I've always thought that the whole argument that HV pumps are bad is BS, but then that is just my opinion and we all know what opinions are worth. ------------------
Butch
460 powered 1967 Comet Cyclone
10.271 @ 130.231
Butcher's Home Page
"Friends don't let friends drive Chevys"
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Tbird
Gearhead Posts: 298
From: USA
Registered: May 2003
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posted 07-10-2003 10:56 AM
Very well said Butch. I couldn't agree with you more.
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jsracingbbf
Gearhead Posts: 2805
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 07-10-2003 11:42 AM
Butch, dead on with a zero.
JS
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