Quote:
Originally Posted by Jeff86
That’s my biggest question. When I made 550 whp on my k20a2, I had 1000cc injectors, a circulating fuel system and an in-tank plus an external fuel pump. I was just wondering how they achieved their numbers since no other info was provided. Would larger injectors alone be sufficient? Also what’s the next point of failure on this engine? Throw a rod through the block or headwork to repair a rocker/spring issue?
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1000cc injectors would be enough fuel for about 650whp; stock K20 injectors wouldn't even be close.
Likewise, stock FA20 injectors can do basic boost, but not with E85.
The injectors get you fueling overhead to deliver enough fuel. The weakest link will always vary with setup.