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1.8L head on 2.0L block



We've covered this before (and before and before and before)... here are 
the numbers measured by TT.
-RGK-


>Taken from E/C Jan 1993 article written with Techtonics.  All numbers were 
>derived from testing on a Superflow SF-300 flow bench.
>
>
>                         Intake port flow testing on Superflow Flow Flow 
> bench at 28-inches
>
>Valve 
>lift              .100-in         .150-in         .200-in         .250-in 
>        .300-in         .350-in         .400-in
>
>1.8 16V 
>Head    75.7            107.8           138.2           161.2 
>175.3           181.0           183.4
>2.0 16V 
>Head    67.7            101.4           130.7           143.3 
>163.2           197.9           171.1
>TT Streetport 
>16V       75.8            110.9           146.5           175.0 
>190.6           199.1           209.4
>
>
>
>                         Exhaust port flow testing on Superflow Flow Flow 
> bench at 28-inches
>
>Valve 
>lift              .100-in         .150-in         .200-in         .250-in 
>        .300-in         .350-in         .400-in
>
>1.8 16V 
>Head    67.4            96.1            114.9           121.1 
>124.2           125.2           126.3
>2.0 16V 
>Head    60.9            91.1            115.9           129.3 
>136.5           138.3           140.8
>TT Streetport 
>16V       66.8            99.2            125.4           138.7 
>152.3           160.2           165.6



At 06:57 PM 6/26/2003 -0400, Scott F. Williams wrote:
>Mr. DeLong wrote:
> > Uninformed people *think* the 1.8l head flows more air
> > than the 2.0l head. Although, I have flow sheets here somewhere
> > that depict a regular 1.8l head flows 14% less air than a 2.0l head.
>
>Chris, the 1.8l 16v head is reportedly higher-flowing on the intake side
>whereas the 2.0l 16v is supposed to be better with the exhaust. What exactly
>are *you* claiming? Are you comparing intake or exhaust or somehow combining
>the two? If it is the latter, how are you doing it -averaging the numbers
>for both?
>--
>Scott F. Williams
>NJ Scirocco nut
>'99 Subaru Impreza 2.5 RS
>Mazda 323 GTX turbo "assaulted" vehicle
>Golf GTI 16v "rollycar"
>ClubVAC: "Roads found. Drivers wanted."
>
>
>
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