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Reminder: Don't put your carb away "wet"... #2331406
07/04/17 03:08 PM
07/04/17 03:08 PM
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BradH Offline OP
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... especially with ethanol blend fuel. I pulled one of mine apart that I figured was ready to bolt back on and run, only to find a good bit of "stuff" had built up in the fuel bowls. The accelerator pumps were even worse, with the pump springs having corroded along with the build-up of "stuff".

Fair warning! hammer


Testing... testing... 1... 2... 3...
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331417
07/04/17 03:28 PM
07/04/17 03:28 PM
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Thumperdart Offline
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See it a lot w/pump gas and I usually replace EVERYTHING in those including springs and p/v plugs sometimes........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331503
07/04/17 06:31 PM
07/04/17 06:31 PM
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krautrock Offline
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does carb or bowl material make a difference in how the carb is affected?

Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331525
07/04/17 07:13 PM
07/04/17 07:13 PM
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Yea I had to rebuild a 6 month old carb that sat with ethanol in it for the same amount of time.

Re: Reminder: Don't put your carb away "wet"... [Re: krautrock] #2331540
07/04/17 07:37 PM
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BradH Offline OP
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Originally Posted By krautrock
does carb or bowl material make a difference in how the carb is affected?

Not sure, but these are aluminum bowls FWIW.


Testing... testing... 1... 2... 3...
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331553
07/04/17 08:27 PM
07/04/17 08:27 PM
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The frozen wasteland of Iowa
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tboomer Offline

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Brad..You see a lot of that around here in small engines like lawnmowers. People are too cheap to spend a few cents more for better gas. FWIW,I just had my 1150 Dominator gone thru. Its only had race fuel in it and it looked pretty good.

Re: Reminder: Don't put your carb away "wet"... [Re: krautrock] #2331559
07/04/17 08:50 PM
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Thumperdart Offline
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I see the same residual on factory and alum. carb parts.............


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331567
07/04/17 09:05 PM
07/04/17 09:05 PM
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fast68plymouth Offline
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I've seen plenty of scary carbs that had nothing but race gas in them.
Some of those fuels have some funky additives, and they can leave nasty build ups on the carb internals if left in too long.

Best bet is to pull the bowls and blow everything out when you put the car away.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331653
07/04/17 11:48 PM
07/04/17 11:48 PM
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Originally Posted By BradH
... especially with ethanol blend fuel. I pulled one of mine apart that I figured was ready to bolt back on and run, only to find a good bit of "stuff" had built up in the fuel bowls. The accelerator pumps were even worse, with the pump springs having corroded along with the build-up of "stuff".

Fair warning! hammer


Us pump gas street/strip guys learned this long ago....That "stuff" is nasty...


'71 Duster Pump Gas 512LD 2013 Mod Gas Winner GRS
https://www.youtube.com/watch?v=Z_XTmRBuvWs (6.19)
https://www.youtube.com/watch?v=gQZGfDBPROM (9.70 at 138.5mph)

'70 Cuda, Plan C....605 Hemi
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.31)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)
Re: Reminder: Don't put your carb away "wet"... [Re: tboomer] #2331724
07/05/17 01:35 AM
07/05/17 01:35 AM
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BradH Offline OP
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Originally Posted By tboomer
Brad..You see a lot of that around here in small engines like lawnmowers. People are too cheap to spend a few cents more for better gas.

My lawnmower gets run dry at the end of the mowing season, plus fuel stabilizer in whatever is left in the tank. My 2-stroke weed trimmer gets straight 93 premix without ethanol.

The subject carb had been drained, but some fuel must have unknowingly remained in the bowls and accelerator pumps.

I can't wait to see what my Mallory fuel pump looks like after having sat with 93 E10 in the fuel system for so long. puke


Testing... testing... 1... 2... 3...
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331742
07/05/17 02:16 AM
07/05/17 02:16 AM
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ccdave Offline
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Ahhhhh the dreaded white powder that actually creates a pitting effect on the inner carb parts. I drain em, disassemble em, WD 40 em and then store em for the off season beer

Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331840
07/05/17 12:10 PM
07/05/17 12:10 PM
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McGregor,Iowa 52157
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500ciDuster Offline
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I have an old beater truck that I forgot and left the 10% crap in which corroded the pickup tube and float parts into nothing

Re: Reminder: Don't put your carb away "wet"... [Re: 500ciDuster] #2331859
07/05/17 12:39 PM
07/05/17 12:39 PM
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pittsburghracer Offline
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Another friendly reminder.

I was having carb issues this year and going on my 3rd season since my switch-over to alcohol. I go through my carb usually twice a season giving it a good cleaning and the usual maintenance but neglected removing and checking my floats. When it was suggested to me this year I ordered new ones and when I switched them out I checked them on my shops gram scale. You wouldn't believe how much the old ones weighed compared the the new ones from absorption. All appears to be well now.

I haven't had this issue but my Son has to take the top off his fuel regulator anytime the car has sat over 4 weeks and give it a good spray cleaning or it will stick 'wide open"


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Reminder: Don't put your carb away "wet"... [Re: ccdave] #2331864
07/05/17 12:48 PM
07/05/17 12:48 PM
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BradH Offline OP
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Originally Posted By ccdave
Ahhhhh the dreaded white powder that actually creates a pitting effect on the inner carb parts.

Yep. down

Even after scrubbing them down last night and hitting the corroded surface w/ a Scotch Brite pots & pans sponge, I'm not sure the surface is smooth enough for the rubber valve that acts as the accelerator pump one-way valve to seal properly now. frowwn


Testing... testing... 1... 2... 3...
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2331878
07/05/17 01:18 PM
07/05/17 01:18 PM
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Thumperdart Offline
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I have QF bowls in stock if you need em Brad........... thumbs


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Reminder: Don't put your carb away "wet"... [Re: krautrock] #2331963
07/05/17 03:35 PM
07/05/17 03:35 PM
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Originally Posted By krautrock
does carb or bowl material make a difference in how the carb is affected?


Yes. Aluminum in particular is a fairly unstable material. You can anodize the heck out of it but eventually Entropy takes over. Add harsh chemicals such as say Oxygen and the process speeds up. Same thing for plated steel parts, exposure to oxidants takes its toll. The only way to know whats actually in that 'pump gas' is to pay to have it tested yourself. But don't publish the results or Big Oil will come after you. Alcohols can be aggressive, that's why they make more power.
twocents

Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2332286
07/06/17 01:23 AM
07/06/17 01:23 AM
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SomeCarGuy Offline
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So nobody runs something like Stabil 360 for ethanol? Does that not work for this junky fuel?


Forever in debt to your priceless advice...
Re: Reminder: Don't put your carb away "wet"... [Re: SomeCarGuy] #2332300
07/06/17 01:58 AM
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Originally Posted By SomeCarGuy
So nobody runs something like Stabil 360 for ethanol? Does that not work for this junky fuel?



I run Seafoam in my motorhome for my the onan generator and lawn equipment too.


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Reminder: Don't put your carb away "wet"... [Re: SomeCarGuy] #2332433
07/06/17 12:16 PM
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BradH Offline OP
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Originally Posted By SomeCarGuy
So nobody runs something like Stabil 360 for ethanol? Does that not work for this junky fuel?

I know some motorcycle folks who were going to try that, but never heard if it was working as advertised. I know carbureted bikes were getting killed by ethanol in pump gas when left to sit around too long.


Testing... testing... 1... 2... 3...
Re: Reminder: Don't put your carb away "wet"... [Re: BradH] #2333044
07/07/17 01:04 PM
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I ask because I run that in small power equipment and don't have any issues. At least so far.


Forever in debt to your priceless advice...
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