Originally Posted by
turbomirage
I was there at the dyno and I witnessed him going lean... were you there? No. But maybe you could tell me what his set-up is, since you knew what happened?
He did not change his set-up at all. Same injectors, same tune, same everything. Which was doing fine and running a good A/F when he had the HP Walbro 255 in his car. He accidently swapped in a low pressure Walbro 255 and he ran lean... dangerously lean.
The OP will need to just need to watch his A/F on the dyno. No one can tell him what needs to be done or how his car will run. Only the dyno will tell...
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