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Lower EGTs with Bio?

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Old 07-30-2007, 01:25 PM
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Lower EGTs with Bio?

This may have been covered in another thread somewhere, but I did not see it....

Would it make sense at all to have lower EGTs running bio than what you would otherwise experience running regular #2 diesel?

I've been keeping an eye on my pyrometer, and it could be just my perception of lower temps and not reality....... but it seems like I may be running maybe slightly cooler EGTs after 6-8 weeks of running B20 exclusively.

Does this sound like its probably just me wishing it were the case, or would it be possible?
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Old 07-30-2007, 05:40 PM
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They say biodiesel makes slightly less power than #2. Lower EGT's would seem to confirm it.
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Old 07-30-2007, 08:41 PM
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Both my trucks run about 100-150 deg lower with B-100
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Old 07-30-2007, 10:27 PM
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That doesn't make sense to me. IF it has lower BTU's wouldn't you just burn a little more to make the same power and speed?
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Old 08-06-2007, 01:28 AM
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Quote:
Originally Posted by cookie88
They say biodiesel makes slightly less power than #2. Lower EGT's would seem to confirm it.
I am guessing... but I thought the lower EGT's might have been due to the fact that it would have a higher water content than dino????
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Old 08-06-2007, 06:49 AM
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Quote:
Originally Posted by FTE Fred
I am guessing... but I thought the lower EGT's might have been due to the fact that it would have a higher water content than dino????
Guess again Fred I test my bio all the time, and it has no water in it. Properly made bio will contain almost 0 water.

IMHO, it's because it's an oxygenated fuel. I think it burns cooler and more completely because of it's oxygen content.

BTW..........Love your new avitar!

Last edited by fabmandelux; 08-06-2007 at 06:51 AM.
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Old 08-21-2007, 12:53 PM
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I noticed a 100 to 200 deg drop when I started running B100. I can't get it over 800 or so anymore.
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Old 08-21-2007, 03:13 PM
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Ed
is that before or after the turbo
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