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gumout multi system cleaner #4573210
11/13/17 08:57 PM
11/13/17 08:57 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
is it good stuff? my friend has a old corolla and swears by it and tells me it has really cleaned the internals quite well with over a year of use.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573229
11/13/17 09:12 PM
11/13/17 09:12 PM
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
A good long run on the highway for multiple hours consecutively with some red-lining and higher RPM's is the best clean-out IMO. Driving moderately with anything in the tank doesn't do much for the combustion chamber but will help with dirty injectors and dirty valves if the injectors spray across them. Just from what I have personally seen.

Gumout has its pros and limitation like any other fuel system cleaner. It is one of the higher performing ones I have seen out there but the price here makes it unattractive to other products I can get that offer better performance for less.

I personally drive a lot of highway miles for work and make a point of driving my vehicle like I stole it regularly. I also use a fuel system cleaner just before an oil change to keep the injectors clean because I use the cheapest gas I can find (Usually not Top-Tier). It has never failed me doing this and I pass all my smog tests with original equipment like Catalytic converters etc. even after hundreds of thousands of miles.


Last edited by StevieC; 11/13/17 09:17 PM.

'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: gumout multi system cleaner [Re: jakewells] #4573236
11/13/17 09:18 PM
11/13/17 09:18 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
i do 70 miles round trip 5 days per week in my little aspire on county roads with maybe one or two stops along the way.
my car is a little sluggish even after a tune up and has varnish in the crankcase and i would like to clean it and if possible see if it can make a difference.
i tried berryman b12 and didn't really notice anything except better smelling exhaust.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573237
11/13/17 09:20 PM
11/13/17 09:20 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
i use 87 ethanol free marathon btw.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573240
11/13/17 09:23 PM
11/13/17 09:23 PM
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
What oil are you using and what is your OCI?

Also the mileage?

Last edited by StevieC; 11/13/17 09:23 PM.

'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: gumout multi system cleaner [Re: jakewells] #4573245
11/13/17 09:28 PM
11/13/17 09:28 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
delo 5w40 wix oil filter 8,000 oci.
205,769.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573247
11/13/17 09:30 PM
11/13/17 09:30 PM
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
I think that little 1.3 might be doing well with that many miles and might be the reason for the sluggishness.

Have you done a compression test on it?

I mean you can try what I advised above and you could try the Gumout but I think the engine might just be worn and being a little 1.3 it's a bit underpowered from the start moving a car around and with this many miles that could be adding to it. Just an opinion. smile

Last edited by StevieC; 11/13/17 09:31 PM.

'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: gumout multi system cleaner [Re: jakewells] #4573249
11/13/17 09:32 PM
11/13/17 09:32 PM
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
Its a good product although who knows how much PEA is in it? Proprietary info they cant divulge but i still would be curious to know a comparison of products to see what has the most. Ive had good luck with CRC Guaranteed to Pass thats 8.87$ at walmarts in the USA. I think Id rank Gumout 2nd and tied with techron fuel system cleaner. The only thing I dont like about Gumout is the tiny bottles, I know its more concentrated but I am not sure 1 bottle does much.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: gumout multi system cleaner [Re: jakewells] #4573255
11/13/17 09:38 PM
11/13/17 09:38 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
compression is 150 on all cylinders and i recently installed a new timing belt as the other was close to breaking.
doesn't use any oil or leak anything.
my car has a 10 gallon fuel tank.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573444
11/14/17 06:15 AM
11/14/17 06:15 AM
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
Do you have a boroscope that you could look into the cylinders with via the spark-plug holes just to give you an idea if this is the problem?


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: gumout multi system cleaner [Re: jakewells] #4573501
11/14/17 08:39 AM
11/14/17 08:39 AM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
i do not have a boroscope steve.


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

Re: gumout multi system cleaner [Re: jakewells] #4573513
11/14/17 08:53 AM
11/14/17 08:53 AM
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 18,795
Ontario, Canada
You can try the Gumout but I think it's not going to do much even over the long term until we know why the car is sluggish. Just trying to save you some cash.


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: gumout multi system cleaner [Re: jakewells] #4573636
11/14/17 10:53 AM
11/14/17 10:53 AM
Joined: Jan 2017
Posts: 316
NJ
JLawrence08648 Offline
JLawrence08648  Offline
Joined: Jan 2017
Posts: 316
NJ
I read a test report and Gumout was the best. They didn't test Seafoam and that's what I use. It's terrific and I will never use anything else.

Re: gumout multi system cleaner [Re: jakewells] #4573669
11/14/17 11:31 AM
11/14/17 11:31 AM
Joined: May 2012
Posts: 1,373
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,373
The land of USA-made Subies!
A 1.3L with 5w40? What oil was originally specced? That might be why it's sluggish, the engine had, what, 70 HP brand new? Not saying Delo is not a good oil; it just might not be an appropriate oil for your application.

Re: gumout multi system cleaner [Re: SubieRubyRoo] #4574238
11/14/17 09:19 PM
11/14/17 09:19 PM
Joined: Dec 2012
Posts: 556
Cave City KY
jakewells Offline OP
jakewells  Offline OP
Joined: Dec 2012
Posts: 556
Cave City KY
it called for 5W30 from the factory 3.6 quarts with filter


1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A

1978 Chevy Nova 250 I6 Borg Warner T5
Rotella 10W40 Fram XG5

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