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Royal Purple injector cleaner

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Old 06-11-13, 06:42 PM   #1
micel
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Default Royal Purple injector cleaner

Anyone try this stuff?I do not believe in cans of fix all,but I have had positive experiences with Royal purple products with thier synlec additive and thought I would give there F.I.cleaner a try.Within 100 miles of mixing a full can of there FI cleaner with a full tank of shell 93 I could feel a seat of pants difference in performance.The last 50 miles of tank it was like a different car,unable to get traction from just punching it from a dead stop(of course with trc off)for like a 100+ feet.Next fill-up it ran better but nothing like those last 50 miles.
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Old 06-12-13, 03:38 PM   #2
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Were you running soley on the injector cleaner!? haha

I run preventative maintenance on my vehicle by placing that Toyota Genuine Injector Cleaner once every 30k miles. I think it's PRT00289-EFI00. Lexus calls it EFI Fuel Additive or something like that.

Some sentiments from around the forums RE: Fuel Injector cleaner:
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Originally Posted by Gville350 View Post
That fuel injection cleaning is like a 95% profit service performed on the car. Almost all profit, because there's nothing they actually do becides throwing in some "Lexus" brand cleaner into the fuel system.

Definitely DO NOT perform that service, and just make sure to feed the car top tier fuels or Ethanol-free fuels [...]
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Originally Posted by Evitzee View Post
You don't need a fuel injection service[...]. Just use good quality fuels, and if you want to go to Walmart and buy a bottle of Chevron Techron and dump it in your tank [...].
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Old 06-13-13, 07:35 AM   #3
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100 ft burnout because of injector cleaner? hahah....
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Old 06-13-13, 11:33 AM   #4
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Could some one with a 350 try a bottle of this stuff and let me know if I should start smoking a lighter brand of cigarette.
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Old 06-13-13, 01:43 PM   #5
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So you mean for the last 50mi, you had much better response due to engine being cleaner?
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Old 06-13-13, 05:00 PM   #6
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Quote:
Originally Posted by micel View Post
Could some one with a 350 try a bottle of this stuff and let me know if I should start smoking a lighter brand of cigarette.
or the funny ones all together lol

you should ask someone to put it in your tank without you knowing and see if you notice anything. I would put money on you not. much like octane booster, i just cant really agree that you:

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The last 50 miles of tank it was like a different car,unable to get traction from just punching it from a dead stop(of course with trc off)for like a 100+ feet.Next fill-up it ran better but nothing like those last 50 miles.
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Old 06-13-13, 10:47 PM   #7
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Quote:
Originally Posted by pmanliu View Post
100 ft burnout because of injector cleaner? hahah....
i was kind of thinking that as i read it lol. 100ft is a long way, i dont think just injector cleaner alone does all that man
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Old 06-14-13, 12:02 AM   #8
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Totally serious about performance increase.My car has always been very sensitive to temperature extremes,more so than any car I have driven although it has been in the mid 80's.Also my car being a '06 requires me to do the pedal dance to override the traction control which seems to help me launch stronger than using switch on '07+ 350's.The only mod car has is K&N drop in filter.Maybe the valves and injectors were real dirty,but I would not think they would be because car only has 58k miles and I have always used Shell 93 and Hess 93 fuel.The RP cleaner did say mix 1oz /gal and I mixed full can (20oz) with a full tank(18gal).I do not think I was imagining things,but I would like to hear from some one who has tried it in a IS350 with 60k+ miles.
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Old 06-14-13, 08:03 AM   #9
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send me over a sample and i'll try it :P
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Old 06-14-13, 08:48 AM   #10
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Yeah,20$ a bottle is steep.Only reason I splurged is because I have had a similar experience with their hps engine oil with high zinc and phosphorous that's not certified for new cars under warranty and was asking them if it would be safe for my IS350 and rep said that they had a new fuel injection cleaner that would be out this summer that had the same synlec additive in it that's in the oil.He said both products are great and he and his coworkers use both even in their warrantied cars.I thought I would give it a try and Im not one to believe in cans of fix all.Before this I only used Seafoam in my marine 2-stroke engines as a preventive measure for carbon build up.I have no stocks in RP,but it might not be a bad idea. i
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Old 06-14-13, 09:33 AM   #11
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If it were my company I would definitely offer some type of aggressive promotion or guarantee on this product.I suspect my car fits into a little niche (direct FI,mileage,ecu calibration,etc)or they could not keep this stuff on the shelf.The rep said it contains synlec(their proprietary lubricant additive they put in their boutique oils)which might help lubricate piston ring tension on cylinder wall ?
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Old 06-17-13, 06:43 PM   #12
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To clarify a little,the reason I did not get traction for 100ft is that I'm running all season tires,Toyo proxy 4's with 41lbs of pressure.If I had some summer ultra performance tires with 32lbs I might of got 10ft if that,and the differential locked up.If anybody out there can clue me in on how to get this differential to lock up consistently please pm me.

Last edited by micel; 06-17-13 at 06:47 PM.
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Old 06-21-13, 10:48 PM   #13
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I do not use the RP stuff, but I do use the Amsoil PI Performance. I just put half a bottle in the tank and will see if I get an increase in MPG.
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Old 06-23-13, 12:09 AM   #14
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I have an is350 that I put techron fuel clearner in every 5k miles since 50k. I'm near 80k mileage now. My car still feels the same as day 1. I have never felt a difference, but I do it for the peace of mind. Maybe I'll try the RP cleaner next time to see if it makes a differnce
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Old 07-13-13, 08:49 AM   #15
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I would be very careful about what you put in your tank. These engines are not like your normal V6 in vehicles. Direct Injected means they run the fuel injectors at 8000 to 10000 psi pressure. If say a additive does damage to the injector, you could destroy the engine in seconds. I'm not saying what you guys are using is bad for them, but just be careful and don't just dump something in the tank trying to gain a couple HP. This fuel system is similar to a common rail diesel setup.
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