I found this thread late but what a cool swap! Can you post your mileage since the diesel/6 speed manual swap? Did it double in real world driving?
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Originally Posted by dremd
Also decided to go to higher temperature thermostat.
Modified Thermostat for higher MPG's... - TDIClub Forums there is a great white paper linked in there someplace BTW.
I got a Stant Super Stat because most people have them run in the 200-205 range despite being rated for 195. I'd do the hybrid, but that is a tad scary for me. Hopefully that's good for about 1-2MPG.
The factory thermostat does 188, but fades to 182 in about a year and a half, so this should be about 20f warmer than my last car was running.
Yes, I now have a larger oil heat exchanger and have always run high grade synthetic lubricants. And, Yes, I want an active grill block pretty bad. |
I have been running the Stant Super Stat for about 2 years and once warmed up it stays at about 207º F on the ScanGuage II. I seem to have picked up about 4 mpg. I did a Malone intelligent EGR stage I tune at the same time so it is hard to say how much is because of the thermostat.