Fuel Stabilizer additives

NOT CORVETTE specific

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silver383
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Fuel Stabilizer additives

Postby silver383 » Thu Jun 27, 2013 6:48 pm

Does anyone use fuel stabilizer additives ?
If so what's a good one ?
I"m only thinking of using it in our boat because it sits around for 5+ months at times and it would nearly be impossible to drain.
Boat runs a 5ltr chev [mercruiser] engine.
Cheers Dave

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68ragtop
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Postby 68ragtop » Thu Jun 27, 2013 7:16 pm

Sta-bil is what I've used in the past. My vette eats the gas too quickly for it to go off though :)

silver383
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Postby silver383 » Thu Jun 27, 2013 7:19 pm

68ragtop wrote:Sta-bil is what I've used in the past. My vette eats the gas too quickly for it to go off though :)

That was the one I was looking at :o
No problems with the vette here either :C :-x

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DOC
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Postby DOC » Thu Jun 27, 2013 7:47 pm

Silver, I come from the land of Snow and Ice, Remember?
We put our bikes and boats away for 7 months every year.
So for most of my life I was putting up bikes and boats for winter storage, and Snowmobiles for summer storage.
I owned a inboard water ski boat most of my adult life.
(Sadly not anymore).
Seafoam is the best for fuel, Sta-bil is second best.
Both need to be added to fuel, then run for awhile to get into the entire system, Still with carby models, Drain the float bowl or bowls. Sta-bil works good in the tank, But in small areas like the float bowl, evaporation still takes place leaving gum behind.
Also fogging the engine with fogging oil is highly recommended. I always stabilized the fuel, ran them and then fogged them to sleep. We also ran anti freeze into the boats but I think freezing here isn't a real problem. None the less we could have drained everything as all boats have a number of water drain plugs, however the anti freeze also contains anti corrosive propertys. And no matter how well you drain the block and cooling system, some moisture remains. Ring me if you have any questions, But Mate, I've put up thousands of vehicles for storage in my short lifetime.

silver383
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Postby silver383 » Thu Jun 27, 2013 7:51 pm

Thanks Doc :o
Mate what do you mean by fogging ?
I use SX-50 to flush the engine
http://www.saltoff.com.au/Marine-Products.html

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DOC
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Postby DOC » Thu Jun 27, 2013 9:20 pm

Fogging oil. It's sprayed out of an aerosol can. It's called fogging oil. It's Very sticky and stays on everything giving a protective barrier against cylinder bore and valve rust. You spray it into the intake of a idling engine until it chokes off. in the spring when you start it up, the petrol rinses it away quickly.

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DOC
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Postby DOC » Thu Jun 27, 2013 9:22 pm

http://www.summitracing.com/parts/maa-9-82100
Check this out.
I always used Eagle Brand Fogging oil, But same stuff.

silver383
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Postby silver383 » Thu Jun 27, 2013 10:00 pm

OK Thanks :D
Got some Seafoam on order :o

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bfit
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Postby bfit » Fri Jun 28, 2013 10:15 am

I don’t know about all the little thing that are on the market these days to so call protect the engine etc.
I have been in the auto industries all my life ( to long )
I have seen so many additives come and go
I can see no real use for them my self .
IF you are parking your car boat for storage
Then I would pull the plugs and oil up the bore thought the plug hole
Wind the engine over a few time by hand and re fit the plug
Change the oil in the engine
When it come to next season service the engine
Change the oil again
Change the plugs
Drain the fuel and replace
Prime the oil system manually
them wind the engine over my hand if all free
start her up.
Its a good idea to wind the engine by hand
one turn and a half turns every few month
to help prevent valve sticking and take the pressure of the compressed valve springs

Now there is the possibility of burning oil after all of the above
For my part I just park it up and when the time comes to use the engine /car etc next I just service it first .
Bfit

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australi
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Postby australi » Fri Jun 28, 2013 10:23 am

The only stuff I have experience with, is 'Fuel Doctor'.

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Postby silver383 » Fri Jun 28, 2013 5:47 pm

Main problem I have been having is fouling plugs when toys have sat for a while. First the vette did it and fouled 8 plugs in one hit , boat same thing [ both wouldn't even fire on one cylinder] and the Hayabusa fouled all four plugs . I pulled the plugs in them all and they had the same light grey coating on them and I couldn't clean them.
All engines with new fuel and plugs fired straight up.
All engines are running on BP 98.
Dads GSXR did the same [ left for a year while on holidays] and it took me hours+ hours to clean out his jets.

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DOC
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Postby DOC » Fri Jun 28, 2013 6:23 pm

And I hear what Bob is saying, And many years ago, We would oil the cylinders one at a time just as he said. BUT, Fog the engine with Fogging oil, And no need to do so much work.
NO this is not something new, We've been doing this in the land of snow and ice for 30 years now. Sleds typically sit for 7 to 8 months during summer storage. An engine prepped with Seafoam or sta-bil and then ran for a few minutes to get stabilized fuel into the lines then fogged when idling will fire right up next winter in the case of sleds, or next spring in the case of boats and Vettes.
Fogging oil is sticky, It stays put all over the inside of your engine, No need to turn over your engine every so often to re-distribute the oil that ran off. I have taken apart engines that have been fogged to sleep, The shit is great!
No need to pull all your plugs, Etc.
Sorry Bob, But I think I've stored a lot more Vehicles than you have.

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shipy59
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Postby shipy59 » Fri Jun 28, 2013 10:20 pm

In my early years speedway was it !!! so to put to sleep a methanol burning motor that wasnt getting a freshen up got ran on petrol and just before it fouled itself we sprayed heaps of CRC or similar down intake until stopped. Drain carby bowl n lines/tank. Have also used subaru spray seafoam and was very impressed with it :o

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shipy59
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Postby shipy59 » Fri Jun 28, 2013 10:30 pm

OOPS forgot to say why we sprayed it to sleep, methonol leaves heaps of moisture in motor so crc helps keep it off the bare metal until it has time to evaporate out(long time)so the more oily the better but the spray gets to more places than a squirt of oil into bore. worked for us.

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Postby silver383 » Sat Jun 29, 2013 12:57 am

shipy59 wrote:OOPS forgot to say why we sprayed it to sleep, methonol leaves heaps of moisture in motor so crc helps keep it off the bare metal until it has time to evaporate out(long time)so the more oily the better but the spray gets to more places than a squirt of oil into bore. worked for us.

yeah remember that well, speedway bikes where the same , we even blocked the inlet and exhaust ports :o

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australi
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Postby australi » Sat Jun 29, 2013 9:34 am

I find it happens to my harley too if I haven't started it for yonks.

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shipy59
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Postby shipy59 » Sat Jun 29, 2013 10:35 am

this thread has got me thinking i should pull motor out of my spitfire rc plane and strp it before the nitro really kills it,if it hasnt already. would be a shame to loose my saito gold knight 80. just hope the 18% synthetic oil was good enough to protect it. :oops:

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australi
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Postby australi » Sat Jun 29, 2013 10:43 am

It sure must be a PITA Doc, having to winterize everything in the states :evil:

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DOC
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Postby DOC » Sat Jun 29, 2013 3:29 pm

Not everywhere in the States! But remember where I'm From!
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australi
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Postby australi » Sun Jun 30, 2013 1:22 pm

No, I meant the cold states; bloody hell - I'd be working 6 months of the year PREPPING all of mine for winter! :shock: :evil:


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