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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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 Posted: Fri May 02, 2014 5:10 pm Post subject: cis fuel system + acetone??? |
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is there anything thorough the fuel system that doesn't like acetone?? well, besides any nasty crud and lacquer that may be present.
I think I might gravity feed my inline fuel pump a good half gallon of straight acetone, jump tha pump, and catch it in a jar or 4 out of the injectors.
I'm just trying to do little things here and there that I can do without much investment.
so if nobody objects to acetone so it shall be....
follow with gasoline after of course and flush tank after because ill probably get acetone coming back to it from the pressure regulator.
pull intank pump while im at it and see what the screen has for me to see and flush.
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larchie
Joined: 19 Jun 2003
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Fasteddie313
Joined: 29 Sep 2013
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Location: MI
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| Posted: Sat May 03, 2014 5:35 am Post subject: |
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oh...
So its safe for individual parts such as wur, dizzy, and injectors but not to run through the entire system?
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Sat May 03, 2014 5:44 am Post subject: |
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Fuel distributor has O-rings.
I'd not do it. Use a solution that is safe for fuel system use along with maybe some sonic cleaner for the individual components that do not include sensitive electronic equipment.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 5:53 am Post subject: |
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my system seems to work just fine, ran quite well...
its just that its been sitting for about 8 months and will probably sit another few months and I don't want it to go to s*** on me sitting there...
I guess ill just flush with gas and an injector cleaner..
when I get it all flushed and put back together ill purge it with good clean gas from the tank so there cant be any air in the middle anywhere..
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 6:12 am Post subject: |
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the list says
Alcohols:Ethyl A-Excellent
so there should be no problem with e85 eating stuff up?
disregarding any tuning issues
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jason c
Joined: 13 Jan 2014
Posts: 1018
Location: Nwi
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| Posted: Sat May 03, 2014 7:54 am Post subject: |
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| Fasteddie313 wrote: | the list says
Alcohols:Ethyl A-Excellent
so there should be no problem with e85 eating stuff up?
disregarding any tuning issues |
E85 is corrosive, not good for sitting. I would just use a concentrated fuel injector cleaner for cleaning and a stabilizer product for storage. Going overboard on cleaning a system that works fine is going to cost you in the long run. The parts in the system aren't cheap, don't ruin them by using something risky for no reason. I understand preventative maintenance and wanting to "go through" the car but don't go overboard. |
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 8:07 am Post subject: |
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noted...
thank you Jason and others for the clarification.
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emoore924
Joined: 13 Apr 2004
Posts: 2822
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| Posted: Sat May 03, 2014 9:53 am Post subject: |
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Repeat after me:
Sta-bil
Sta-bil
Sta-bil
.
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 11:34 am Post subject: |
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| emoore924 wrote: | Repeat after me:
Sta-bil
Sta-bil
Sta-bil
.
.
. |
Sta-bil
Sta-bil
Sta-bil
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larchie
Joined: 19 Jun 2003
Posts: 297
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| Posted: Sat May 03, 2014 11:35 am Post subject: |
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Lots of good suggestions and solutions in this Moss Motors Tech article on the specific problems caused by ethanol in The Ethanol Issue on the problems on specific parts, tests, and solutions for fuel systems. Also, a good tech paper from the same source is here on Bringing a Car Out of Storage.
Something else which seems reasonably authoritative is the study called Fuel System Cleaners -- Fact or Fiction by RC Engineering. Clean high quality fuel and fuel injection cleaner (appears to be Techron) are insufficient to keep injectors clean. To restore flow and capacity, this was necessary:
| Luke Munnell wrote: | | As John explained to us, the problem with pour-in fuel injector cleaners can be two-fold. Effective injector cleaning requires stronger chemicals than can legally be sold in stores for use with emissions-controlled vehicles, and stubborn deposits simply must be dealt with by force -- and more of it than an engine’s fuel system can provide, even at 100 percent duty cycle. |
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jason c
Joined: 13 Jan 2014
Posts: 1018
Location: Nwi
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| Posted: Sat May 03, 2014 12:19 pm Post subject: |
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| If I was going to use an over the counter fuel injection cleaner for the op's reasons, I would use it with a few gallons instead of a full tank. Larchie's article is most likely referring to electronic fuel injectors. I've cleaned cis injectors with cleaner and a blow gun with compressed air, it works well. We had a cleaner at the shop from snap-on, I don't remember who made it for them. It worked in our snap-on fuel system cleaning machine. |
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 1:01 pm Post subject: |
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if only I had a $10k Snap-On fuel system cleaning machine....
sigh
cant wait to read larchie's articles
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2595
Location: MI
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| Posted: Sat May 03, 2014 1:40 pm Post subject: |
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from "the ethanol issue"
quote
"The ratio is one ounce of E-Zorb for 20 gallons of gasoline/ethanol. The one-pint (16 oz.) bottle will treat 320 gallons of fuel. You’ll have to agitate the fuel and emulsifier in the tank by rocking the car from side to side, and bouncing it up and down. Make sure your suspension can handle this!"
for one, I would think that driving the car would 'agitate' the fuel plenty more than you ever could trying to shake the car by hand
and two, "Make sure your suspension can handle this!", well if your car's suspension cant handle you rocking it about by hand I wouldn't think it would be anywhere near safe to drive..
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jason c
Joined: 13 Jan 2014
Posts: 1018
Location: Nwi
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| Posted: Sat May 03, 2014 1:43 pm Post subject: |
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| Fasteddie313 wrote: | if only I had a $10k Snap-On fuel system cleaning machine....
sigh
cant wait to read larchie's articles |
You don't need it. All you need is a concentrated cleaner ran through the system like you planned with acetone, manually clean the injectors, then fill up the tank when you're done. |
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