Not trying to highjack your thread, this is somewhat related as I have a setup close to yours.
I started my D24T for the first time (12mm pump, GTD nozzles, HY35 turbo). Intake piping not installed (turbo just dumping boost). I ran it down the road, and as expected, it dumps black smoke when I lay into it.
But this is what I didn't expect: When I'm around 50% throttle, I get black smoke. Once I push it more, say 90% throttle, the black smoke starts to fade to more of a grey or white color (engine up to temp). I'm assuming this is raw fuel not even burning? My question here is- should I be concerned? Should I try changing the pump timing a little?
I'm going to finish completing the intake piping so it can have some boost before I change anything though. Just thought I'd ask in case it didn't change anything.
Spenser
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