Thread: Getting 300hp
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Old 12-11-1999, 05:30 PM   #6
PeteH
Scooby Newbie
 
Member#: 431
Join Date: Oct 1999
Location: Baraboo WI, USA
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The stock heads have two problems, hydraulic lifters: these will limit the rpm's the engine will be able to operate at = stuck with the 6500rpm limit. If you add the forged pistons/rods your maximum safe rpm limit will be in the 7500 range. Ports: the gentlemen who did the 2.2 turbo airplane engine build discovered insuffecient material around the ports = very limited portability. Because of these two reasons I determined it would be easier to swap in a set of STi heads with there non-hydraulic lifters.

PeteH
'92 Turbo Legacy
17"SpeedLines/Pzero's (safe in winter storage :-p)
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