Turbo and 16V heads; 9A or PL?

[jdbubb at verizon.net (Dan Bubb)]

Generally speaking the sentiment is right. With either head you can make more power than a Scirocco can put to the ground, which is why I turboed and 8V instead of swapping to the potentially more powerful 16V.
OTOH, it's naive to say turn up the boost. There is a limit to the amount of boost you can run with a given octane fuel.
And "the usual power increasing tricks are suddenly moot"....??? Really? Cams, P & P, free flow intake, free flow exhaust are all irrelevant? Just turn up the boost??
I'm sorry, but that's just too naive.
Dan

From: "LEF" <rocco16@sbcglobal.net>
Sent: Wednesday, January 03, 2007 7:57 AM
Subject: Re: Turbo and 16V heads; 9A or PL?


Use what is easier for you.
With turbocharging, all the usual power-increasing tricks are suddenly moot; want more power?  ...turn up the boost.  It'll make more power than the engine can withstand. :)

larry
sandiego16v
  ----- Original Message ----- 
  From: Rick Kellner 
  To: scirocco-l@scirocco.org 
  Sent: Tuesday, January 02, 2007 6:43 PM
  Subject: Turbo and 16V heads; 9A or PL?


  Since the topic of the new year seems to be turbo conversions I have an
  additional question to add to the list.  Which 16V head is best for
  turbo applications?  The 9A flows better on the exhaust side and the PL
  on the intake side.  Does the 9A have an advantage here with boost on
  the restricted side and better exhaust flow?
  Thanks, Rick. 



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