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Author Topic: knocking sound with redline oil  (Read 15694 times)

Offline tedi

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Re: knocking sound with redline oil
« Reply #15 on: March 22, 2012, 07:50:08 AM »
got my motul from HRC, my engine seems to run very well with it.

Offline Brent

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Re: knocking sound with redline oil
« Reply #16 on: March 23, 2012, 09:10:23 AM »
Maybe your valve tappets need to be tightened? If they're loosing they make noise.

Offline tedi

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Re: knocking sound with redline oil
« Reply #17 on: March 29, 2012, 07:53:18 AM »
yes you're right. im gonna open up this engine and find out what is real cause of the noise. im not gonna put redline down just yet because based on reviews of other users, its a very good oil...but nxt time, im sticking with motul.
 

Offline tedi

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Re: knocking sound with redline oil
« Reply #18 on: April 11, 2012, 08:53:29 AM »
yes you're right. im gonna open up this engine and find out what is real cause of the noise. im not gonna put redline down just yet because based on reviews of other users, its a very good oil...but nxt time, im sticking with motul.
I finally found the cause, and yes, it is the oil. Redline 10W30 is thinner than Motul 5W30. This caused my engine to make strange noises during cold starts.
 

Offline niky

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Re: knocking sound with redline oil
« Reply #19 on: April 11, 2012, 03:40:31 PM »
Really doesn't make sense. 10w is supposed to be heavier than 5w at start-up.

That's like saying a straight 40 oil is thinner than a straight 30 oil.

The only way to tell if it's the oil is to put in another 10w30 and observe. If it's noisier with the 10w, then the oil is too thick at start-up. Which it shouldn't be.

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Re: knocking sound with redline oil
« Reply #20 on: April 11, 2012, 04:58:52 PM »
I finally found the cause, and yes, it is the oil. Redline 10W30 is thinner than Motul 5W30. This caused my engine to make strange noises during cold starts.
 

10W30 is thicker than 5W30. The use of higher viscosity engine oils will contribute to lifter noise as it reduces the flow of oil through the lifter and takes longer to pump up initially. 5W30 reaches the lifters faster during start up.

Offline tedi

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Re: knocking sound with redline oil
« Reply #21 on: April 14, 2012, 08:50:14 AM »
The mechanics at Fixstop almost dis-assembed the entire engine looking for that noise. From the distributor, to the valves, to the pulleys, belts LMA's, nothing. Everything is fine. So i went home and added a bottle of STP on the oil (thats the thick stuff that increases the viscosity of the oil) and...BAM!... engine is as smooth as ever!  Instantly! All this trouble started when i put on that 10W30 Redline oil in the first place. So i quickly went for another oil change, this time a 15W40 from Shell, and except for a slight loss in throttle response (it is a mineral oil) there is no more noise. My "limited knowledge on oil" led me to believe that 10W30 is thicker than 5W30, until that 10W30 oil almost ground my engine to death. Nothing beats experience folks, you have been warned...

Offline tedi

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Re: knocking sound with redline oil
« Reply #22 on: April 14, 2012, 08:57:02 AM »
Really doesn't make sense. 10w is supposed to be heavier than 5w at start-up.

That's like saying a straight 40 oil is thinner than a straight 30 oil.

The only way to tell if it's the oil is to put in another 10w30 and observe. If it's noisier with the 10w, then the oil is too thick at start-up. Which it shouldn't be.
no offense sir but i am not gonna put that damn oil back in my engine.
« Last Edit: April 14, 2012, 09:33:43 AM by tedi »

Offline berserk

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Re: knocking sound with redline oil
« Reply #23 on: April 15, 2012, 11:19:00 AM »
I have the same ticking noise upon cold start up....  Maybe this noise came after ko

magpa1k PMS.. I'm using Hyundai Genuine Motor Oil (HGMO) 5w-40 fully synthetic since

naka indicate sa manual ko kapag stop and go and short driving, I need to use fully

synthetic oil.

Now even though 1 month pa lang since my last change oil, I'm considering to have

another change oil to at least lessen or eliminate the sound..

My problems are,

1) what viscosity? should I stick with the viscosity indicated in my manual

(5w-30),or thinner oil (0W-40), or even thicker oil (10W-40) Since sir tedi's engine

ticking noise went away by using thicker oil.....???

2) what brand? Mobil1 (0W-40), available ba mobil 1 (5w-30)?????

Royal purple 5W-30 or 10W-40 if ever available?   or shell helix Ultra (5W-30).....

 by the way my ride is 2012 Tucson 2.0 Gas engine...

please help. TIA  :)

Offline Conan®

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Re: knocking sound with redline oil
« Reply #24 on: April 15, 2012, 03:07:18 PM »
I have the same ticking noise upon cold start up....  Maybe this noise came after ko

magpa1k PMS.. I'm using Hyundai Genuine Motor Oil (HGMO) 5w-40 fully synthetic since

naka indicate sa manual ko kapag stop and go and short driving, I need to use fully

synthetic oil.

Now even though 1 month pa lang since my last change oil, I'm considering to have

another change oil to at least lessen or eliminate the sound..

My problems are,

1) what viscosity? should I stick with the viscosity indicated in my manual

(5w-30),or thinner oil (0W-40), or even thicker oil (10W-40) Since sir tedi's engine

ticking noise went away by using thicker oil.....???

2) what brand? Mobil1 (0W-40), available ba mobil 1 (5w-30)?????

Royal purple 5W-30 or 10W-40 if ever available?   or shell helix Ultra (5W-30).....

 by the way my ride is 2012 Tucson 2.0 Gas engine...

please help. TIA  :)

You should stick with the viscosity stated in your manual. Fully synthetic is actually an ambiguous term. Only oils labeled as 100% synthetic means it truly is "Synthetic". Oils labeled as "Fully Synthetic" are actually mineral oils that are highly refined in order to have performance characteristics similar to synthetic oil.

Use Motul oils, it's one of the best and due to the latest promo it's very competitive in price.

Another thing 0W40 is not thinner than 5W30. 0W only represents the viscosity when cold, but once heated it's a 40 weight oil which is thicker than a 30 weight oil. Your car is also very different from the car of the thread starter so applying his conclusions to your engine would not be correct.


Offline berserk

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Re: knocking sound with redline oil
« Reply #25 on: April 15, 2012, 09:57:04 PM »
You should stick with the viscosity stated in your manual. Fully synthetic is actually an ambiguous term. Only oils labeled as 100% synthetic means it truly is "Synthetic". Oils labeled as "Fully Synthetic" are actually mineral oils that are highly refined in order to have performance characteristics similar to synthetic oil.

Use Motul oils, it's one of the best and due to the latest promo it's very competitive in price.

Another thing 0W40 is not thinner than 5W30. 0W only represents the viscosity when cold, but once heated it's a 40 weight oil which is thicker than a 30 weight oil. Your car is also very different from the car of the thread starter so applying his conclusions to your engine would not be correct.

sorry sir my mistake.. I'm talking about on cold start up ( the first no. )..

- is motul h-tech 100 plus 5w-30 available here sa ph? sa Autoplus website, 10w-40

lang ang nakalagay.

-mobil 1 is 0w-40 lang ang viscosity available next is 5w-50 that is way thicker than 5w-

30 on operating condition/temp...

Offline Conan®

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Re: knocking sound with redline oil
« Reply #26 on: April 16, 2012, 01:26:25 PM »
sorry sir my mistake.. I'm talking about on cold start up ( the first no. )..

- is motul h-tech 100 plus 5w-30 available here sa ph? sa Autoplus website, 10w-40

lang ang nakalagay.

-mobil 1 is 0w-40 lang ang viscosity available next is 5w-50 that is way thicker than 5w-

30 on operating condition/temp...

Yes the H-Tech Plus 5W30 is available at Autoplus. That's what we are using in my dad's Ford Escape V6.

Offline bitmd

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Re: knocking sound with redline oil
« Reply #27 on: May 03, 2012, 11:10:19 AM »
Those SAE viscosity numbers are sometimes misleading. SAE usually gives a manufacturer a range for it to be classified on the viscosity rating on the bottle.
Check this site. It compares the different viscosity of oils at 40C and 100C as specified by the manufacturer and you can see that some are in thick and thin sides of their viscosity rating in the bottle
http://www.auto-rx.ph/index.php?option=com_content&view=article&id=55&Itemid=61

the redline 5w-30 is really thin and their 5w-40 is thicker than their 10w-40 at 100C.

Offline Victorb

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Re: knocking sound with redline oil
« Reply #28 on: June 13, 2012, 02:54:04 PM »
not all oils are created equal. viscosity wise, others are thicker / thinner but all must fall within a specific range given by API.

i believe that redline 10w-30 is thinner than the motul 5w-30. I remember an article of redline saying 'its more slippery and thinner vs a same viscosity oil -- due to esters'

Offline tedi

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Re: knocking sound with redline oil
« Reply #29 on: June 13, 2012, 03:17:26 PM »
not all oils are created equal. viscosity wise, others are thicker / thinner but all must fall within a specific range given by API.

i believe that redline 10w-30 is thinner than the motul 5w-30. I remember an article of redline saying 'its more slippery and thinner vs a same viscosity oil -- due to esters'
                                                                                                                          im having second thoughts now about putting thin oils on the b16. but i did achieve better economy and response from the motul 5w30, do you guys think i should switch to a thicker oil, given that it is already a 12 year old engine.

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