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PostPosted: Mon Oct 11, 2010 9:13 am 
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Joined: Fri Feb 29, 2008 10:49 pm
Posts: 1547
Location: Salem, Oregon
Car Model: 1984 D100 Shorty Custom
Since installing the new Cam (kept the bearings) and pump, I've noticed that I really don't get much oil to the rockers, not like I've seen on most others.

If I rev to over 2k I seem to get decent flow, but even then, it seems like there should be more.

I was very careful in swapping cams, and I know the bearings are good. I oiled down the feed hole for the rocker shaft prior to starting.
Is there something else I should check?

~RDE~

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1984 D100 Shorty Custom
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PostPosted: Mon Oct 11, 2010 10:06 am 
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Joined: Mon Oct 14, 2002 4:32 pm
Posts: 4880
Location: Working in Silicon Valley, USA
Car Model:
Is the rocker shaft installed correctly so the oil feed holes line-up w/ the rocker arm oil holes?
Did you check the cam's oil feed cross hole for correct oreantation?
These can be mis-drilled in the cam and that reduces the amount of flow to the rocker-arms.

The other possibility is that the rear cam bearing is not installed correctly or has rotated, blocking / partially blocking the feed oil holes.

DD

Image

Image


Last edited by Doc on Tue Oct 12, 2010 8:41 am, edited 1 time in total.

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 Post subject: Hmmm...
PostPosted: Mon Oct 11, 2010 7:53 pm 
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Joined: Tue Oct 29, 2002 8:27 pm
Posts: 9714
Location: Salem, OR
Car Model:
He's using a cam I had used in the BV build.

The holes are drilled correctly. With this cam I did use a Rollmaster timing chain and a Doc Dodge Cam Button (TM)....I wonder if the cam with his silent chain has moved the cam and oiling hole a sukoshi causing a slight restriction...

:?:

-D.Idiot


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