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Old 11-18-2004, 08:22 AM   #7
Graham
Scooby Specialist
 
Member#: 11931
Join Date: Nov 2001
Location: Winter Park, FL/ SMU @ Dallas,
Vehicle:
2001 2.5 RS Turbo
257/FMIC/T3-T04S

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Good power can be made with both heads, in the long run. However, adjustments to the internals may also be necessary. i.e. cams or stiffer springs. To say that one is better than other out of the box is just a bit arbitrary and there is not a whole lot of evedence out there to support one or the other. Besides COBB, who has done a real intensive analysis of either head flow rate? And COBB only did the SOHC. For something that flows better than an LS1 (is that 5.8L, ) head bone stock, there is not much to complain about.

But, most EJ22T who have undergone a swap seem to prefer using the DOHC configuration, but many high HP SOHC RS's still abound.

The real debate about heads on the RS is the issue of what to do about a cam.....

Graham
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