Quote:
Originally Posted by Rife
thanks for your replies
Tuner has been asking for more fuel at the top end, but it seems that HPFP fails to deliver even the OEM target (190)
I suspect that the OEM HPFP is failing. After 12k kms of being on its limit plus the new demand and more capacity of the Walbro450, it is, probably, causing this failure
Even with the OEM map struggles to deliver the fuel
I always fill up the tank with 98RON. Moreover, we added an Octane booster
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Might be a bit offtopic but....350wph does not translate to 440 at the crank in my books. More like 400-410.
Maybe the first tests were just wrong and now you are not able to reprpduce since the dyno is now correctly dialed in?