Sti engines
#3
Scooby Regular
You can tell version numbers apart from each other in the same way as with regular WRX or Turbo 2000 engines - clues like the inlet manifold bolt pattern, rocker covers etc. The blocks all look pretty much identical from the outside except early closed deck blocks have a cross hatching on certain areas. Once you get the block apart, the STi ones will have forged pistons and the rest are just cast. Everything else AFAIK is identical.
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Bazil_SW
Engine Management and ECU Remapping
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21 September 2015 11:55 PM