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Each to their own, but I can tell you from my own experience and that of another Dtronic Safari chip user that stock ECU mapping with Dtronic is no match/no contest for Harvey's ECU re-map. And believe me I have been postponing that decision too until finally bitting the bullet not because of extra power (I was content with Safari output) but because of limps I was getting and compromises I had to do.
No limps now and a lot more more torque/power. The best way to describe the power delivery is like when it hits like sledge hammer, its brutal, I actually tiptoe a little as I'm afraid of what will break with such brutal rush.... It is simple unbelievable what it does. On take off it will launch go through 1st and 2nd gear in reasonable delivery and then in 3rd it will come alive with such brutality your senses can't believe it. Safari has nothing on it, no offence. Mine is 5 speed manual and I actually throttle it back a little (have JDVM to manipulate MAF output) as I'm concerned with reliability. I run twin boost limiters (Dawes for low boost up to 12 psi for eco and Tilix for high boost 21 psi for power) and it surprises me even in the low boost mode especially the eco. Low 10s I could only dream off before...
After years of struggling with this ZD30 lack of power at take off low RPM shyte(Safari or not) and I had mine tricked up with every performance bit you can think of, especially in summer time with higher temps it would almost stall if I didn't slip the clutch while revving up to get it moving. No need for it now, I can't no longer tell difference, hot cold it doesn't matter this thing will launch with the vengeance, I no longer dread driving in deep sand too, not in low range anymore easily done in high range.
Mind you, limiting factor is VP44 injection pump not the injectors.
Good luck with the Dtronic thingie.
Cheers
Last edited by Rumcajs; 15th February 2018 at 07:13 PM.