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Author Topic: "Corvair" pushrod mod and piston pin pressure oiling  (Read 3068 times)
181
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« on: January 26, 2010, 00:32:09 am »

Did anybody tried Corvair pushrod mod? Corvair, a flat six cylinder, has a tiny hole in each hollow pushrod at the head end, right under the pushrod tip, to promote oiling of the rockers:


« Last Edit: July 21, 2011, 09:57:06 am by 181 » Logged
Martin
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« Reply #1 on: January 26, 2010, 07:58:35 am »

yep
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Martin

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BeetleBug
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« Reply #2 on: January 26, 2010, 08:08:09 am »

Interesting!

And does it work?

Best rgs
BB
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181
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« Reply #3 on: January 26, 2010, 12:33:39 pm »

yep

alright and how did it work? Roller or conventional rockers?

Thanks,

Jan
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181
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« Reply #4 on: July 21, 2011, 09:31:31 am »

and another curious question:

anybody tried piston pin pressure oiling? Small hole has to be drilled or EDMed through the length of the rod and through main bearing+piston pin bushing to deliver pressurized oil directly to the piston pin. I know Mr. Pauter offer this as extra option for his rods.

Would it be advisable to perform this mod on my H-beams?

Jan
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Diederick/DVK
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« Reply #5 on: July 21, 2011, 09:34:22 am »

Jan, your photo of the first post has gone. Would care to elaborate as to what these mods entail?
« Last Edit: July 21, 2011, 09:51:10 am by 67-indeed/DVK » Logged

Diederick
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181
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« Reply #6 on: July 21, 2011, 09:39:08 am »

one picture is worth 1000 words: I found the pic in my laptop.

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paul_f
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« Reply #7 on: July 21, 2011, 16:55:10 pm »

Does the pushrod not rotate, so that you end up with the oil spraying the wrong direction?
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Zach Gomulka
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« Reply #8 on: July 21, 2011, 18:22:42 pm »

and another curious question:

anybody tried piston pin pressure oiling? Small hole has to be drilled or EDMed through the length of the rod and through main bearing+piston pin bushing to deliver pressurized oil directly to the piston pin. I know Mr. Pauter offer this as extra option for his rods.

Would it be advisable to perform this mod on my H-beams?

Jan

I was looking at a 2.0 jetta engine last weekend that came that way from the factory. If there is enough "meat" in the rod, I think it's a good idea.
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Airspeed
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« Reply #9 on: July 21, 2011, 21:24:08 pm »

How cool is that!

I also thought about rotation but its probably not that critical, just helping and when all 4 have it, one is bound to spray in the right direction.
Your oil pump must have the extra capacity to pump that extra.
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« Reply #10 on: July 21, 2011, 22:14:11 pm »

maybe drill it directional, and it will spray more onto the casting.. nice mod though.
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DDD#8 - 14.74sec @ 1776cc - Member of:  DVK ~ Der Vollgas Kreuzers  - www.ultimatevw.nl - and racing engines
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