Ok to go back to regular Diesel? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 10 (permalink) Old 06-17-2009, 10:38 PM Thread Starter
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Ok to go back to regular Diesel?

On my 85' the previous owner ran it on home made biodiesel for approximately 3 years. I know he made modifications to it, but I dont know what. I am planning on running it on straight diesel, and dont believe I will have any problems, but wanted to hear from people who have intimate knowledge of bio-diesel. I filled it up from half a tank and besides starting easier it drove the same. Maybe i'm just paranoid. Any advice or input is appreciated. Thanks!


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post #2 of 10 (permalink) Old 06-22-2009, 09:43 PM Thread Starter
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post #3 of 10 (permalink) Old 06-27-2009, 07:55 PM Thread Starter
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-Robert.

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post #4 of 10 (permalink) Old 07-02-2009, 01:34 PM
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It SHOULD be okay to run on regular diesel. On older trucks the modifications that would be needed to run biodiesel is the replacement of rubber fuel lines as biodiesel will actually "eat" thru natural rubber over time. I would double check to see what modifications were made.
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post #5 of 10 (permalink) Old 07-02-2009, 04:08 PM Thread Starter
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Originally Posted by Tav View Post
It SHOULD be okay to run on regular diesel. On older trucks the modifications that would be needed to run biodiesel is the replacement of rubber fuel lines as biodiesel will actually "eat" thru natural rubber over time. I would double check to see what modifications were made.
All the lines that where rubber have been replaced by super synthetic fuel lines that the company claims are bio-diesel "friendly". The lift pump was also replaced (it may have just been worn out) with an electric one that is designed for biodiesel.

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post #6 of 10 (permalink) Old 07-02-2009, 06:46 PM
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I can't imagine there would be any problems with running #2 in place of bio. I know plenty of people are running both.

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post #7 of 10 (permalink) Old 07-02-2009, 08:43 PM Thread Starter
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Originally Posted by fordt View Post
I can't imagine there would be any problems with running #2 in place of bio. I know plenty of people are running both.
I have also heard of folks running both with no problem. I am just worried that because it was run for so long on only bio-diesel that it might have gotten used to it, but like I said, maybe i'm just paranoid.

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post #8 of 10 (permalink) Old 07-02-2009, 10:40 PM
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You are ok to run the #2 know that the truck has had all the tubing and o rings R&R the good thing is you now can run bio when you want. One thing is that if you switch back the fuel filter will need to be changed or checked as bio cleans the system out.
Bill


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post #9 of 10 (permalink) Old 07-02-2009, 11:39 PM Thread Starter
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Originally Posted by CrowsSynthetics View Post
You are ok to run the #2 know that the truck has had all the tubing and o rings R&R the good thing is you now can run bio when you want. One thing is that if you switch back the fuel filter will need to be changed or checked as bio cleans the system out.
Bill
So if I run straight diesel for a while and then switch back to bio-diesel it could plug up the fuel filter?

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post #10 of 10 (permalink) Old 07-03-2009, 12:11 AM
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Originally Posted by merlin5577 View Post
So if I run straight diesel for a while and then switch back to bio-diesel it could plug up the fuel filter?
Plug up might be a little strong but it does clean the fuel systems out. If you switch a older diesel over to bio plug up might apply. Just make note of this when you do ever have a opportunity to switch you will need to check the fuel filter.
Bill


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Amsoil 3000 5w 30 ,Amsoil EaAU Air Filter ,Amsoil Pre filter-EaPF13,
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Edge with Attitude, 4" Turbo Back Exhaust,
5" SS Tip
, Transmission Magnefine filter, Sportman Tonneau Cover & Bush Fender Flairs
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