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intercoolers have max efficient volume flow rates.
if say for example engine needs 1000 cc per Min.
and cooler is only rated at 900cc per Min.
then cooler will starve engine.
and this can also swing the other way, cooler to big
this is simple example to give ya an idea and in no way real world stuff, only a EG.
you need to research what you have.
best way talk with someone who specialises in these types of build/tunes.
these are things that are abit hard to give hard and fast solutions on a forum.
eg- 2inch pipe for intercooler piping sound to small and restrictive but that really doesn't help out guessing.
that's why I'm saying talk with a tuner who specialises in this type of work.
turbulence can upset a turbo performance, even doing damage in extreme cases.
that's why I'm saying talk with a tuner who specialises in this type of work.
not trying to scare anyone.
can appreciate how much effort that goes into these things.
just hate to see/hear about things not working or going pear shaped for someone.
cheers