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Old 19-12-2015, 07:04 PM
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Boondie Boondie is offline
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Valve cover oil baffles

Ive just ordered a set of these valve covers and i need to drill a hole on each side , one for a pcv and another for a breather, What does anyone using these covers use for oil baffles or can you buy the baffles to suit them.

Cheers
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  #2  
Old 20-12-2015, 09:49 PM
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Hi Mark, I've got these covers & went though the same issue.
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The other (painted) GMPP covers have a baffle like this. (My pic from 572-esque red GMPP covers on the shelf at Eagle)
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In looking for something existing that is similar, Moroso make these. Designed to be bolted in, but I wanted weld-in.
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So rather than buying some & getting them welded, I just ended up getting TrikFab to make some & do just that. Any fab place could do same. I can't seem to find a photo at the moment. Can go take one if need.

The other option I considered was baffled grommets. A few styles, including these. Just decided to imitate the factory style.
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Hope helps a little.
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Old 21-12-2015, 08:20 AM
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BlackoutSteve BlackoutSteve is offline
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Just regular baffles will do..
I drilled mine on the side for PCV and crankcase ventilation and never had an issue with them pulling out oil.
PCV and baffle grommets are different sizes.
Let me know if you need to know the hole sizes.

I used an Irwin #21 Unibit..



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Old 21-12-2015, 08:57 AM
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Thanks Deano and Steve , I think i might go down the route of getting them fabricated i know a guy that makes Ally tanks so he should do a good job also wanted to put an oil filler cap in as well
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Old 21-12-2015, 09:31 AM
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Then use GM 25534374..
http://paceperformance.com/i-6255653...olet-logo.html
or
http://www.summitracing.com/int/part...4374/overview/


"This cast aluminum is orange power coated for a great new look. It fits most big block Chevrolet engines. The left hand cover has 1 hole with baffle, and the right hand cover has 2 holes, one with baffle and the other for oil. Use gasket #14085759. These covers are packed 2 per part number."




Take the orange powder coating off if you don't want it..
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Old 23-12-2015, 04:59 PM
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Might be of interest.

https://www.youtube.com/watch?v=FTod...ature=youtu.be
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Old 23-12-2015, 05:46 PM
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Cheers nev
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Old 23-12-2015, 05:56 PM
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Buy a litre of kero, clamp it in your drill press and and drill the phucker out with a spade bit..........everyone has spade bits Slow and steady wins the race
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Old 23-12-2015, 07:44 PM
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Quote:
Originally Posted by rodent View Post
Buy a litre of kero, clamp it in your drill press and and drill the phucker out with a spade bit..........everyone has spade bits Slow and steady wins the race
Most people have a chisel, should I have a go with that?
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Old 24-12-2015, 07:13 AM
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Quote:
Originally Posted by Nev68 View Post
Most people have a chisel, should I have a go with that?
Don't knock it till you've tried it
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