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 Post subject: Strange Marks
PostPosted: Wed Apr 02, 2008 1:42 am 
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3 Deuce Weber
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Joined: Tue Sep 04, 2007 11:32 pm
Posts: 74
Location: australia ,brisbane
Car Model:
hey guys/girls

i`ve got some strange marks coming out from under my intake manifold area it`s kinda brown ish and it seem`s to staining the paint prety hard core.. any ideas??? i thought it could be fuel ?? but in thinking that . it should runn like crap .. because a air leak .. ..

and on the thiing about gaskets can i match port a slant to a aussie gasket and not worry about breaking in to a water jacket ..

the black sheep

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 Post subject:
PostPosted: Wed Apr 02, 2008 6:27 am 
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Board Sponsor & SL6 Racer
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Joined: Sun Jul 30, 2006 8:36 pm
Posts: 2432
Location: East Arkansas
Car Model:
I would say its fuel. I just replaced a Holly carb that was doing that. Yes on the gasket match but dont go deep on the match, maybe a 1/2 inch.
My02
Frank

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PostPosted: Wed Apr 02, 2008 8:03 am 
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Turbo Slant 6

Joined: Tue Jun 14, 2005 8:29 pm
Posts: 797
Location: Raleigh, NC
Car Model:
Hello Blacksheep!

I match ported to an Aussie gasket. I did it on an old head to see how much I could go. I did all intake and all exhaust and made them trumpet shape to match the gasket.

Upon thinking to myself, "man, I am GOOD!" I decided I didn't like a slight scratch from the burr on the inside of #6 exhaust. Like, way on down in the rectangular port. One pass and the water jacket was opened up to look just like you had marked it with a black magic marker. Rats!!

So I know you can port like to the gasket even though there is no future in doing the exhausts, but if you work too much on #6 at least, I know you will regret it!

rock
'64d100


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 Post subject:
PostPosted: Wed Apr 02, 2008 10:58 pm 
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EFI Slant 6

Joined: Thu Sep 14, 2006 7:54 pm
Posts: 347
Car Model:
I got rid of any overlap from the intake going into the head. I placed a few of layers of masking tape over all the ports on the head, installed the intake, snugging down all the nuts, let it sit for a bit, and could see the impression the intake left on tape. Most of the ports had only one side overlap.

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