I had a minor problem installing a 2.7L engine with a cable throttle, the throttle plate was further back and my intake tube no longer worked. Sure I could have made something work but I decided to pull the whole airbox out of the engine bay instead. OK mostly I was board. I also added some engine cooling ducts.
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1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor