The Cal-look Lounge

Cal-look/High Performance => Pure racing => Topic started by: steve_pugh on March 31, 2014, 12:57:46 pm



Title: Rocker cover breathers. Bolt or weld?
Post by: steve_pugh on March 31, 2014, 12:57:46 pm
I have the scat stainless steel covers. And want to fit breathers.   Is there a best location to do this or is it irrelevant?   Thinking nearer the front of the engine. 
Also.  Would you say it's better to fit the bolt in breathers or have some bosses welded on?   I.e. AN fittings.    Just concerned about how thin the covers are and I don't want them to warp because of welding them in.



Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Jonny Grigg on March 31, 2014, 14:28:53 pm
Mine are welded with -8


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: steve_pugh on March 31, 2014, 14:57:37 pm
Mine are welded with -8

What covers do you run?   And where did you put the breather? 
I was teetering between -8 and -10. 


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Iryanu on March 31, 2014, 15:00:29 pm
This is a good thread:

http://www.shoptalkforums.com/viewtopic.php?f=15&t=118958



Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Iryanu on March 31, 2014, 15:13:24 pm
and the bottom of this page, with the plastic window in the 3/4 rocker.

http://www.shoptalkforums.com/viewtopic.php?f=51&t=127619&start=75


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Andy Sykes on March 31, 2014, 20:11:19 pm
Weld them in very easy tig or mig


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Jonny Grigg on March 31, 2014, 21:38:08 pm
Mine are welded with -8

What covers do you run?   And where did you put the breather? 
I was teetering between -8 and -10. 


Stainless Scat covers. The fitting is to the front on the top. -8 should be fine.


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: steve_pugh on March 31, 2014, 21:53:14 pm
Weld them in very easy tig or mig

Well volunteered Andy.  :-)  I'll bring them down?   


Stainless Scat covers. The fitting is to the front on the top. -8 should be fine.

You got a photo you can share?    Or I can send Dean round to take some.  :-)


Title: Re: Rocker cover breathers. Bolt or weld?
Post by: Fiatdude on March 31, 2014, 23:58:19 pm
I would thread the breather to accept a npt fitting---- that way they can be replaced if needed -- like when you drop it on the floor and mangle one -- not saying you would do that -- I just know someone who has,,,,,, personally,,,,, look at him every morning in the mirror,,, dumb ass











Title: Re: Rocker cover breathers. Bolt or weld?
Post by: BeetleBug on April 01, 2014, 06:27:41 am
The oil will always take the road with the least restriction. In order words, if it is not allowed to get back to the case using the 8 ordinary routes it will then start moving up your
breather hose and to your breather box. I believe you should get rid of your crankcase pressure where it is created and not make new routes for your oil away from where it belongs. We have discussed this before here on The Lounge.

-BB-