Diggs24
Autocross Champion
- Location
- de plains! de plains!
- Car(s)
- 2015 GTI
Might yank my plugs and have a look see.
What's the minimum ethanol content for which an upgraded hpfp is nevessary?
I don't believe I've seen a hard and fast number. Eqt has E30 generic 'base maps' for IS38 Stage 1 and 2 cars (pretty sure stage 2, definitely stage 1 with no hardware mods). So E30 is probably a safe bet if staying stock pump and it ends up being a sweet spot in terms of power potential vs fuel volume required for a lot of setups. That said, given the cheap price of hpfp....why not. That's why I got em anyways. I don't like living on the edge when it comes to fueling.