Compression Ignition Addict
Join Date: Oct 2006
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Because they are NOT designed for heavy fuel.
Do you know how much heat comes out of a 1.9l ALH engine at 20*F?
Answer is very little. In fact, later models came with glow plugs in the coolant stream to raise coolant temps. Electric assist via a vegtherm is like pissing in the wind. It just isnt enough.
I fear that anything you will potentially save burning ATF will be quickly absorbed by repairing a car that routinely gets 45-52 MPG on D2.
I would be thinking more about a Benz. Those are very forgiving. Or abandon the whole theory, buy a nice Jetta or Passat tdi, and fill it full of d2 and drive it 300-400K miles.
My daily driver is at about 250K. I got it at 117K, and its been on B100 for the overwhealming majority of its life with me. Its been flawless since I replaced injectors and gave up on WVO. I think you will experience the same or worse fate with ATF. And yes, the car has a two tank system, TIH, 20 FPHE, a FRB5 lift pump, MB coolant circulation pump, VW cold front, insulated lines, and for a short time a vegtherm. If you can think any angle I overlooked, please let me know because I could not think of anything else to do to get temps up for waste oils. The other car is an ALH, set up in the same manor, and could never see 160*F fuel temps for WVO use at temps less than 20*F. So, like I said maybe an old Benz in the answer to your question, because I am pretty sure an ALH or PD VW is not the answer.
99 F350 7.3
320K w/ 150k+ on Biofuels
Casserly Stage 2's-TE Modded 17 HPOP
DP Tuner F6 & PMT1-Van Turbo Non EBPV & 6637
Twin Fass Pumps B100 & D2 Regulated Return- Fuel Lab
Isspro Pyro, Trans, Boost-Air and Fuel Temp
WVO processed by Simple Centrifuge
B100 by Biopro 190
B100 powered Excursion, F250 CCSB, and Two TDI Jettas