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Diesel ignition moves into new gas car engines (Read 163 times)
SALB
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Re: Diesel ignition moves into new gas car engines
Reply #15 -
01/27/17 at 11:15:19
GDI (gasoline direct injection) has been in production by several manufactures for the last four or five years, so bumping the compression seems a natural progression. What I don't understand is how removing the ignition and making it a compression ignition engine improves anything.
It will also be interesting to see how much of the new technology will show up in Ford products, since the two are joined at the hip.
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Oldfeller--FSO
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Re: Diesel ignition moves into new gas car engines
Reply #16 -
01/27/17 at 13:57:03
Combustion temperature directly relates to "power stroke efficiency".
Getting the same combustion temperatures
off of a super lean "30% less fuel" injector charge sprayed into a supercompressed red hot air charge means that all that "extra air" sorta puts you into the realm of turbos and superchargers combustion-wise.
This could be a performance upper if they were able to put it into larger displacement engines, but in a small 1800 cc straight four it will still be a mild performance, high gas mileage vehicle.
Danger is that bearing and rod loads go way up in diesel type compression vehicles
-- so you'd be better to buy from someone who has already built diesels that had a rep for being long lasting.
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