I can't comment about the benifits of quad throttles so much but I can say that silvertop throttles are enough for roughly 220hp so go for them instead.
Hey just wondering if its worth the hassle to put blacktop itbs on my bigport 16v.
don't know much about it, is it a hassle and worth the time/money?
As I'm looking to buy a set.
I searched itbs but didnt help!
I can't comment about the benifits of quad throttles so much but I can say that silvertop throttles are enough for roughly 220hp so go for them instead.
30kw club
i was of the opinion that 20v to 16v adaptors only fit ST20v quads?
85' JDM TA63 GTTR sedan - Godlike
89' JDM GZ20 Soarer - 1jz + R154 bus
Originally Posted by joeschmo_57
i'm 95% sure you can't run them properly on the standard ecu. I've heard people do it but the air/fuel ratios would be out, no idle up and other issues.
I'm also of the opinion that the standard ecu wouldn't be quite right for it.
and as for the adapter to suit the quads you would have to check it out first bcos the silver top quads would need a different adapter to black top (i know this as i wanted to put a b/t head on my s/t bottom, but then my brother helpfully advised that my s/t quads wouldn't fit <_< ).
i don't know about u but i would also be considering the possibility of a dual carb set up, just a thought
but will Black Top itbs fit on a bigport 16v?
And is there a difference in power gain from the Silver top itbs, with a tuned ecu?
anyone?
Blacktop have bigger throats than Silvertop. 50mm then tappers down to 45mm or something, I will measure mine during the week and post it up.
I don't see any point in just putting itb's on a stock motor, Up the compression, Do some combustion chamber work/port work etc
silvertop: 42mm
blacktop: 45mm
30kw club
Sam is the man.
Blacktop quads have the same bolt up pattern as Silvertop.
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