Couple things you can do, that I did with my 1.6 Jetta diesel: 1. wrap a nicrome wire around each injector, attach to your battery via a relay keyed to your ignition. Ignition on, the wires almost instantly warm up to 200 F(depending on wire type, length, thickness) which then warms your incoming fuel.
2. modify your rev limiter, so that it doesn't start cutting off your fuel @3000rpm, and lets you get full fueling all the way to your rev limit before cutting off the fuel.
Both create a big improvement in driveability, and preheating the oil will save you a LOT of engine damage (coking of injectors& combustion chamber, lubricating oil turning int sludge, etc)
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