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Are all Euro intake manifolds like this?



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Anybody ever look down the runner to see if it really has that curvature inside?  Thx.

> 
> Yeah - I wouldn't worry about it either. From what I read (and I'm sure I'll be corrected if I mess this up! :), if the inside of the manifold has that curvature (which I'd be suprised if it did), it would have more of an impact to a N/A motor (where the fluid dynamics matter because is merely drawn in via vacuum) than a Forced Induction motor (where air is, you guessed it, forced in).
> I say this intending to convey a relationship of how such a disruption in air flow would impact the output in terms of hp lost to total hp.
> N/A would be something like 5hp lost with a total of 123 hp. Whereas the same FI motor would maybe lose 5-7hp with a total of 200+...
> (I hope that made sense...) Any of our local engineers wanna shred this one up?  :D
> JT
>  Neal Tovsen <nealtovsen@yahoo.com> wrote:From what I understand, there were a few that don't
> have this dimple, but most of them do. I think it's to
> clear something on the valve cover. I wouldn't worry
> about it too much...
> 
> Neal
> 
> --- Ryan H wrote:
> > Do they all have a single runner with a slight crush
> > on the underside? What's the reasoning behind this?
> > I'm worried it will affect A/F mixture when (if?)
> > my motor is turbocharged and making big power.
> > 
> 
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<P>Yeah - I wouldn't worry about it either. From what I read (and I'm sure I'll be corrected if I mess this up! :), if the inside of the manifold has that curvature (which I'd be suprised if it did), it would have more of an impact to a N/A motor (where the fluid dynamics matter because is merely drawn in via vacuum) than a Forced Induction motor (where air is, you guessed it, forced in).
<P>I say this intending to convey a relationship of how such a disruption in air flow would impact the output in terms of hp lost to total hp.
<P>N/A would be something like 5hp lost with a total of 123 hp. Whereas the same FI motor would maybe lose 5-7hp with a total of 200+...
<P>(I hope that made sense...) Any of our local engineers wanna shred this one up?&nbsp; :D
<P>JT
<P>&nbsp;<B><I>Neal Tovsen &lt;nealtovsen@yahoo.com&gt;</I></B> wrote:
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">From what I understand, there were a few that don't<BR>have this dimple, but most of them do. I think it's to<BR>clear something on the valve cover. I wouldn't worry<BR>about it too much...<BR><BR>Neal<BR><BR>--- Ryan H <RHOCK99@EPIX.NET>wrote:<BR>&gt; Do they all have a single runner with a slight crush<BR>&gt; on the underside? What's the reasoning behind this?<BR>&gt; I'm worried it will affect A/F mixture when (if?)<BR>&gt; my motor is turbocharged and making big power.<BR>&gt; <BR><BR>__________________________________________________<BR>Do you Yahoo!?<BR>Yahoo! Tax Center - File online, calculators, forms, and more<BR>http://platinum.yahoo.com<BR><BR>_______________________________________________<BR>Scirocco-l mailing list<BR>Scirocco-l@scirocco.org<BR>http://neubayern.net/mailman/listinfo/scirocco-l</BLOCKQUOTE><p><br><hr size=1>Do you Yahoo!?<br>
<a href="http://us.rd.yahoo.com/finance/mailsig/*http://tax.yahoo.com";>Yahoo! Tax Center</a> - File online, calculators, forms, and more

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