This was posted 2 years 10 months 28 days ago, and might be an out-dated deal.

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Penrite PRO SERIES - EGR & Cat Clean + $34 @ Autobarn

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Penrite Pro EGR & Catalytic Converter Cleaner
Penrite Pro Series EGR & Catalytic Converter Cleaner is a new generation, low volatility, professional automotive fuel additive that effectively cleans and prevents build-up of deposits from blocking emission control devices such as catalytic converters and exhaust gas recirculation (EGR) systems. Containing non-flammable ingredients that will pass through to the exhaust cycle and clean these components, Penrite Pro EGR & Catalytic Converter Cleaner is the safe and effective way to keep your engine running strongly and maintaining fuel economy.

Repco's range of fuel additives cover a number of options to ensure your car performs to its potential and provides long term benefits as you clock up the kilometres. Products such as octane booster and fuel injector cleaner are both worthwhile additions to any tank of fuel while many of the fuel stabiliser products can help with providing longer term protection for your vehicle. We have the range and quality brands to make sure you get the right additive for your application at a great price.

Caring for your cars performance and helping to keep those substantial fuel bills down are just 2 areas where running a quality additive through your fuel system will pay dividends in both the short and long terms. As we fill up our cars weekly with fuel we give minimal thought to the long term build up of deposits and harmful contaminants in the fuel injectors and other critical parts of the fuel system. This is where a quality fuel additive or injector cleaner can help restore that lost power and assist in smoother engine idling and power delivery. Both new and old vehicles can benefit from regular doses of these additives and with the modern science providing real world examples of the effectiveness of these it pays to keep a bottle or 2 handy for ongoing top ups.

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  • +1

    You can clean both of these properly by removing them. These additives may work for minor problems though.

  • Im usually a big penrite fan, but the idea that something isnt destroyed by the heat and pressure of a combustion stroke, but is then going to clean my TINY egr ports, and not just create a nasty residue has me suspicious.

    Id be keen to see how this works on a scientific paper; because as someone who builds/reconditions his own engines, I dont see it making a difference.

    Those EGRs and Cats are blocked with solid carbon buildup. Its as hard as stone….

    • So how do you clear it?

      • +2

        I dont run EGR, but on every engine Ive pulled down, ive never seen a blocked one.
        Restricted? Sure. Blocked? Nope.

        Id clean it with a strong solvent and an ultrasonic cleaner.

        Cats on the other hand are a consumable.
        They dont fail from being dirty, they fail from zinc exposure and heat cycles.

        I suppose you could hose the living shit out of it and try remove some of the exhaust buildup, but its just busy work for car lovers really.

        "A blocked cat" is a sign that something else is running very wrong (usually, very rich).

        • zinc? pentrite advertises their engine oil to have additional zinc for engine protection.. if the engine oil is burnt off (in a leaky engine), will the zinc damage the catalytic converter?

          • +1

            @AirbusA389: Yes. Of course.
            Thats why every new version of oil has less Zinc.
            All engines, even new ones, always burn some oil, even if its just whats left on the bores.

            Its one of the reasons their HPR series doesnt use common API ratings. So they can get away with slightly more than allowed.

            Their non HPR and non racing ranges do not make such zinc claims.

            But, a Cat is 1:25th the cost of an engine, so im happy to change my cat every 5-10 years, rather than an engine.

            • +1
              • +1

                @bargain_finder: Hmm half a tank in an accord is about 25L
                And a US galon is close enough to 4L.

                So 16% hydrocarbons.

                I mean, its unlikely to damage much.
                We use E10 all the time, and USA has E20.

                If you wanted to try this, you'd be better off just running a tank or 2 of E10, or putting 4L of e85 into your regular fill up.

                It should technically all burn; so I dont see it helping the cat; but it would certainly be a great fuel pump, intake valves, and injector cleaner.

                90% of those injector cleaners are just "100% hydrocarbons" anyway (aka. Waste alcohol).

                The reason its fixing a 'cat light/error' is because E-anything fuel burns cleaner, so the ecu thinks the cat is still doing its job.

                Scottys real good for car tricks; hes just not always good at explaining why they work.

            • -1

              @MasterScythe:

              But, a Cat is 1:25th the cost of an engine, so im happy to change my cat every 5-10 years

              That's very engine specific - many modern cars with larger engines have 4 cats, and each can cost over a grand not including the multiple hours of labour to change…

              • @Nom: No its not, I'm generalizing.
                You're the one thinking of something specific running 4 cats.

                If more than 1 cat downstream is being damaged in any sort of close window of time, you have serious engine problems.

                If they cost over a grand each, you're better off going aftermarket.
                A 350cel high flow cat is less than half that. And you'll get $50 back at the recyclers for the old cat (full of platinum).

                And if an exhaust shop is charging multiple hours to put a pipe saw through each side of your cat, and weld the new one in, you're being taken for a ride.

                The only exception might be if you have a titanium exhaust, because you need to weld that in a vacuum (or with hundreds of dollars of gas flow); but if you're that guy, you're not caring that a cat is expensive. Your whole exhaust is expensive.


                Argue the nitty gritty all you want.
                I'll still take replacing a cat (or 4) over replacing an engine.

                In both cost, and vehicle down time.

                A car will run without cats, or with clogged cats.

                A car will not run (very far) with bearing damage.

                Ill keep the good anti wear package in the oils personally.

                • @MasterScythe: you should check what a prius cat is worth

                  • @pipster11: About $200 for a 400cel from someone like tegiwa, plus $80 labor to cut it out, plus $60 welding. Then $50 refund at a recycler.
                    So $300ish.

                    Had a few of them done; you cant get much cheaper, because prius want a much tighter post-cat sensor reading.

                    I mean, sure, a $300 cat is expensive because prius have picky emissions controls so you cant get away with a 200 or 300cel; even if a dodgy exhaust shop charged $500; id still rather that than a new engine.

      • Only way to clean an EGR is to remove it, clean it and refit. You dont want to push anything through the engine using chemical flushes.

    • As their claim says, "It contains non-flammable ingredients that will pass through the exhaust cycle and clean these components". Im not sure if that works, but pretty self explanatory,. I think. Maybe. ;)

      • Nope. Id want to know what is aggressive enough it can dissolve the hardest element we know; that doesnt need to be washed out of plastic and aluminium tubes and valves.

        And wont act as a glue, once 'spent' causing it to hold more carbon in future.

      • MSDS lists:

        • Ethylene glycol mono butyl ether 111-76-2 >90 % (Flash point 67 °C)
        • Nitric acid, 2-ethylhexyl ester 27247-96-7 1 - 5 % (Flash point 76.1 °C)
        • Ingredients determined to be Non-Hazardous - Balance

        So, technically correct, not a flammable liquid but a combustible liquid. About as non-flammable as Diesel ;-)

        • +1

          So basically just paint thinners and degreaser.

          • @LowRange: Both of which will burn to nothing in the cylinder 🤷🏼‍♂️
            There's no possible mechanism that they could clean anything after this point.

    • I've recently taken a liking to Penrite and have begun shifting toward the brand but not sure I'd buy this. I've always been suss about additives and their effectiveness.

    • +1

      Hey @MasterScythe Glad to hear you are a fan.

      Our HPR range of oils all meet API specifications. Some API specifications have limits on the phosphorus levels, you can read more about that here https://penriteoil.com.au/knowledge-centre/Oil%20Composition%20and%20Additives/44/zinc/396#:~:text=API%20Specifications,(1000ppm)%20limit%20on%20Phosphorus

      We do not sell additives that have the potential to damage and engine. The EGR and Cat Cleaner product is best used as a preventative or as part of a good maintenance schedule.

      • Thanks for dropping by Penrite, also a huge fan of your products and my shed looks like i'm a Penrite dealer with all the oils for my cars, 4wd, boat, ride-on, quads, buggies, 2 stroke oil, gear/trans oils, bar lube etc. I even use your coolants.

        The EGR and Cat Cleaner doesn't seem like a good one though. What's it's method of action? The solvents would be mostly burnt off in he combustion process no? Or does it raise combustion temps to try and burn off build up like a DPF burn?

      • Didn't expect Penrite came here, i gave them a call last week

  • +5

    Almost bought this to clean my cat but did not think he would like me using this on him

    • LOL I was gonna ask… will this work on my moggie

      • +1

        yes according 8 out of 10 cats….

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