Volvo RWD 140-160 Forum

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How about this, cause it's easy enough to do...? 140-160

posted by  Bennie on  Thu Mar 3 21:09 CST 2005
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last visit: Wed Nov 28 03:03 CST 2007
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Perhaps I did not explain it very well. You want a nice transmission between exhaust port and manifold. Large bumps there will cause turbulence. Since it is hard to check wether they actually match (the port vs manifold) when it's bolted on, you use the gasket. The gasket just about allways corresponds very nicely with the manifold. That way you can just put the gasket on the head and instantly see where large misallignments are.
I also tried to say that if youre not sure whether they match or not, just leave it. It's better to have a transition form small port to a larger manifold, then the other way around.

--
P131, '65, B20B+M47. P131, '69, B20E+AW71L+LSD. (www.tinustechniek.tk)






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New Basic head work / porting FAQ [140-160]
posted by  Bennie  on Wed Mar 2 21:48 CST 2005 >


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