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#1 |
Gearhead and audio junkie
Join Date: Aug 2008
Location: nunyah
Posts: 452
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I've been having what I thought was timing issues with my new engine, couldn't get it advanced enough or it'd ping and I'd have to retard it to where it would have full throttle hesitations for it to run on the freeway without detonation. It was frustrating to say the least. I hit the 500 mile mark, and I was supposed to change my oil. So I change the oil and its kinda dark but nothing bad (when I was puttin the engine in i was running low on funds so i bought some cheap conventional oil). I run to kragens get a new filter and decided to bite the bullet and use royal purple.
After the oil change I fire her up and I'm totally dumbfounded. No WOT hesitation, runs smoother, and doesn't even ping! I have never had a oil change fix so much stuff for me. I celebrated by leaving some nice tire marks down the street ![]() Looks like I'm using RP from here on out. Anybody else ever use RP? |
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#2 |
dazed and confused
Join Date: Jul 2008
Location: marion nc
Posts: 1,649
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Re: Funky problem solved by royal purple
wow! i have that about using royal purple myself, i think i will give it a shot now.
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members met: redbaron69, billsbowtie,nc67 |
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#3 |
Gearhead and audio junkie
Join Date: Aug 2008
Location: nunyah
Posts: 452
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Re: Funky problem solved by royal purple
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#4 |
406 Powered
Join Date: Aug 2009
Location: waynesville,n.c.
Posts: 877
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Re: Funky problem solved by royal purple
I run a district of oil change shops and can tell you royal purple makes quality products. Its just like anything else you get what you pay for.
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70 GMC 68 c10 2002 silverado 72 4x4 |
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#5 |
Gearhead and audio junkie
Join Date: Aug 2008
Location: nunyah
Posts: 452
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Re: Funky problem solved by royal purple
Yep I've learned that over time. I would never cheap out on oil, but I was close to flat broke at the time haha. Glad I could give my engine the oil it deserves.
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#6 |
Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: Funky problem solved by royal purple
And you can try rislone oil treatment it helps a older engine room smoother i have used it a few times.
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#7 |
Registered User
Join Date: Nov 2009
Location: Bloomington, IL
Posts: 34
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Re: Funky problem solved by royal purple
I always use cheap oil when breaking an engine in. It's kind of a waste to use top quality oil that you're just going to drain out 500 miles later. Not a good idea to use synthetic oil during the initial break in anyway.
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-Tony Money is no object... once it's in your wife's hands. 1972 GMC Sierra 1977 Ford LTD II 2000 Pontiac Grand Prix (wife's ride) |
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#8 |
Registered User
Join Date: Jan 2007
Location: Opdyke, IL
Posts: 775
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Re: Funky problem solved by royal purple
I was taking my wifes car to the shop to get an oil change until the warrenty ran out. I thought it would be better for someone else to have a record of the service in case we needed to take it in for some warrenty work. Well I changed the oil the last time it was done and switched to Royal Purple (with a K&N filter) and I could tell immediately that the car was running smoother. Took it out for a drive and it accelerated better too. I was surprised that I could tell that much of a difference on a practically new engine.
On a side note, RP has an engine break in oil that they say is specifically for flat-tappet cams.
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1978 Chevrolet Silverado 3/4 ton 400 small block. 2000 F-250 Powerstroke 2002 GMC Yukon Denali XL Last edited by mvfd70; 11-22-2009 at 02:22 PM. |
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#9 |
Gearhead and audio junkie
Join Date: Aug 2008
Location: nunyah
Posts: 452
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Re: Funky problem solved by royal purple
That was also part of the reason why I cheaped out, but now that its all broken in, it's only getting the good stuff!
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#10 |
Registered User
Join Date: Nov 2002
Location: Charleston, South Carolina
Posts: 1,370
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Re: Funky problem solved by royal purple
Ok, so maybe I'm dumb but how can oil stop spark knock? Isn't spark knock more of a product of compression, timing, and fuel. What's the technical reasoning behind this? Glad it worked.
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2006 Silverado CCSB, 1939 Ford Sedan, 1962 BelAir Wagon, 1976 Vega Panel Charleston, South Carolina |
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#11 |
Registered User
Join Date: Nov 2008
Location: Italy
Posts: 1,278
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Re: Funky problem solved by royal purple
What he said...I was thinking you moved something during the oil change that corrected the problem.
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'68 C-10 SWB 383 Stroker (Sold 3/2/2013) '87 R2500 LWB 454 TBI converted to Carb ![]() |
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#12 |
Man of Mini-Talents
Join Date: Sep 2009
Location: Oklahoma City, OK
Posts: 4,295
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Re: Funky problem solved by royal purple
I was wondering that myself. About the only thing I could come up with was the possibility there was some coke deposits that was causing premature combustion. Surprised it worked so fast.
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#13 |
Registered User
Join Date: Jan 2006
Location: Kennesaw GA
Posts: 95
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Re: Funky problem probably not solved by royal purple
I'm assuming that you changed the filter too? Was the engine running hot? Was the oil pressure good/normal while you were having detonation?
Unless the engine was overheating, or you had a plugged filter, that made the engine sound like detonation (low pressure, lifter noise), I just can't see how changing the oil 'fixed' this problem. Either the original problem was misdiagnosed, or something got moved or fixed during the oil change. I just hate to see another 'oil quality' thread get started for no good reason.. ![]() Shawn
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-- Shawn '67 Short Step '70 Short Wide |
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#14 |
Registered User
Join Date: May 2009
Location: Eliot, Maine
Posts: 1,314
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Re: Funky problem solved by royal purple
i put high mileage mobil 10w-30 in the 307 in my 72 burb, royal purple manual trans fluid in the 3OT, and play to put RP 75w-90 in the eaton rear end when i swap the 4.57 out for the 4.10 third member i got awhile back. i have bottles of valvoline synthetic dot 4 brake fluid and will be going to RP engine oil when i swap in my 406sbc. i run cheap walmart supertech synthetic in my cars (unless its a performance engine), but the truck will be used for towing and won't see as many miles. when you do an oil change yourself, you can put the money into quality products, not the stinkin' labor....and then you KNOW it was done right!
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#15 |
406 Powered
Join Date: Aug 2009
Location: waynesville,n.c.
Posts: 877
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Re: Funky problem solved by royal purple
Let me tell you why synthetic oil is good. Syn oil is made up of all the same size molecules while conventional oil is made up of different size molecules. Imagine if you have two jars one full of b.b's and one full of different size gravel. Then you turn both jars upside down. The b.b's will come out quicker just like the reason it gets to engine parts quicker. Syn oil is asl refined more and has less base stock in it. I could give you more info but theres no need. Syn oil is great oil....
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70 GMC 68 c10 2002 silverado 72 4x4 |
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#16 |
GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: Funky problem solved by royal purple
Royal Purple is also worth a few hp on the dyno. It's all I run in my 406 sb that's in my 66 Chevelle. 573hp on the dyno, on pump gas.
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2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride ![]() ![]() http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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#17 |
Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Funky problem solved by royal purple
I switched over to the Valvoline VV855 not for street use has 2100 ppm zinc and is synthetic. The only thing i don't like is the price 12 qts. and a k&n filter $120.00.
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#18 | |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: Funky problem solved by royal purple
Quote:
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#19 |
Registered User
Join Date: Aug 2009
Location: Simi Valley, CA
Posts: 193
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Re: Funky problem solved by royal purple
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#20 |
Registered User
Join Date: Nov 2002
Location: Charleston, South Carolina
Posts: 1,370
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Re: Funky problem solved by royal purple
I think your information is very interesting dwcsr. Something I did not know about zinc additive. But....he was using cheap oil which from everything I've read doesn't have much zinc anymore.
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2006 Silverado CCSB, 1939 Ford Sedan, 1962 BelAir Wagon, 1976 Vega Panel Charleston, South Carolina |
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#21 |
Gearhead and audio junkie
Join Date: Aug 2008
Location: nunyah
Posts: 452
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Re: Funky problem solved by royal purple
I don't really understand why it stopped pinging all I know is it did.... I'm not making any claims guys just what happened!
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