Quote:
Originally Posted by Trap63
Now on test! I install a new wider restrictor of 41 mms of diameter vs the stock one of 39.
Car gains much more reactivity on medium –low range and from initial logs I see a medium range of +20grs air, a need of +6/7 of fuel in comparison with stock configuration of HKS V2.
It’s mandatory to revise all parameters first of all DI+PI and to better balance engine load.
I think that this is the best mod for upgrade HKS V2 without exceed and no need to change fuel pump and injectors.
Tune suite: Ecutek RaceRom10, 100 RON fuel only.
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To cut with laser a new Iron Aisi304 restrictor I paid $10,00 (if someone wants I get the file for laser cutting).
Inviato dal mio SM-G960F utilizzando Tapatalk
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you can go to 43~44mm on stock MAF sensor & injector .
(max boost is about 11.5)
I use 45.5mm now with stock injector, pump & STI maf sensor.
max boost is about 12~13 depends on IAT & altitude.
good luck !