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Old 02-05-2018, 04:16 AM   #11
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Default Thereís hope

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Originally Posted by 91nissan94 View Post
Probably a lifter. Run 5w-30, got mine to quiet down considerably.
Awesome, thatís what Iím going to do right away tomorrow. I didnít even think maybe Iím running oil too thick (10-40 with Lucas). 10-30 was on the sticker in the window from previous owner. Also should probably get rid of Fram filter I bought just to run after doing timing chain and hg. Will get back with the results. Thanks
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Old 02-05-2018, 05:52 AM   #12
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i got home on my pc and heard the sound. that is lifter territory, especially when u say it quietens down.
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Old 02-05-2018, 06:34 AM   #13
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Default Oil weight?

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i got home on my pc and heard the sound. that is lifter territory, especially when u say it quietens down.
I agree. Only issue is I have adjustable rocker arms and no hydraulic lifters. I have adjusted valve lash with feeler gauge and it continues to tick. And the sound is more towards the back of the head. I really appreciate all the help but Iím stumped. I will try changing oil weight and see if it helps, but in my manual it allows for use of 10w30, 10w40, and even a 50 weight. Which is why Iím confused why 10w40 would be an issue.
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Old 02-05-2018, 10:45 AM   #14
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Originally Posted by datsn View Post
I agree. Only issue is I have adjustable rocker arms and no hydraulic lifters. I have adjusted valve lash with feeler gauge and it continues to tick. And the sound is more towards the back of the head. I really appreciate all the help but I’m stumped. I will try changing oil weight and see if it helps, but in my manual it allows for use of 10w30, 10w40, and even a 50 weight. Which is why I’m confused why 10w40 would be an issue.
Try 20-50 Quaker State, three and a half quarts. One quart of Lucas. Put the leftover half quart Quaker State behind the seat. Before you do all that, you might want to pull the oil pan, scrape it out and clean it, and install new gasket.

I don't know. This is a tough problem indeed.
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Old 02-05-2018, 11:33 AM   #15
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...in my manual it allows for use of 10w30, 10w40, and even a 50 weight. Which is why Iím confused why 10w40 would be an issue.
What manual are you looking at?

Here is what is called for in Nissan's Service Manual.



No 50 weight listed for the engine.

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Try 20-50 Quaker State, three and a half quarts. One quart of Lucas. Put the leftover half quart Quaker State behind the seat. Before you do all that, you might want to pull the oil pan, scrape it out and clean it, and install new gasket.
Dude. What?
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Old 02-05-2018, 07:10 PM   #16
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Default Now I got my hands oily

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Try 20-50 Quaker State, three and a half quarts. One quart of Lucas. Put the leftover half quart Quaker State behind the seat. Before you do all that, you might want to pull the oil pan, scrape it out and clean it, and install new gasket.

I don't know. This is a tough problem indeed.
Ok thank you, will try it out. The oil pan I wonít be doing though, because itís a 4x4. I will have to either drop my front diff or pull the entire engine to get the pan off. Even when putting a new gasket I had to cut the gasket and snake it in there and seal the cut area with rtv. Hasnít leaked yet

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Originally Posted by jp2code View Post
What manual are you looking at?

Here is what is called for in Nissan's Service Manual.



No 50 weight listed for the engine.



Dude. What?
Yeah thatís the same image I was referring to in the manual and under my hood. In there you can see they allow for the 20w-50 if over 50įF all year long. 10w-30 is what the previous owner used and I have 10w-40 in it now. Cali is 50 almost all year except a few days we get down to 30. Thatís what I was referring to as 50 weight, I didnít mean straight 50 weight. Sorry for the confusion, I tend to confuse people a lot
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Old 02-06-2018, 12:23 AM   #17
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thought mine was valve lash and turned out to be a wrist pin...... thats when i decided the sbc was the replacement.
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Old 02-06-2018, 12:24 AM   #18
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BTW ALL types of cheap parts for a sbc.
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Old 02-06-2018, 01:25 AM   #19
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thought mine was valve lash and turned out to be a wrist pin...... thats when i decided the sbc was the replacement.
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BTW ALL types of cheap parts for a sbc.
Wish I had the luxury of being able to do that. I just want a decent running truck. Hope itís not a wrist pin . Didnít want to pull the motor just yet
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Old 02-06-2018, 06:59 AM   #20
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Look, I understand that what I do (20/50 oil in motor, with one full quart of Lucas stabilizer added first) isn't factory. Yeah, I know that.

On the other hand, those factory numbers are for new engines, or ones not thirty years old. With Nissan, I've gotten rid of *minor* lifter noise doing this and the motor just keeps on-a going. If you have major lifter clacking going, that combination I listed won't help. And if you do it, don't make a habit of revving your engine hard on start up.

As some of you guys know, I'm a little past sixty years old, so my suggestions are definitely old-school. And if you go with the higher-viscosity oil like that, you can't do it straight. You MUST add Lucas for it to work. Lucas is GOD, not Eric Clapton like some people say.

If you insist on staying factory, I would still suggest adding a quart of Lucas first on oil changes, and THEN go with the factory-recommended oil.

On a side note, I have occasionally freed stuck lifters by draining the existing oil, putting in new oil but adding two quarts of Rislone, or a quart of SeaFoam, and then running the engine gently for about fifty miles. Then you drain all of it out and add new oil, filter, and Lucas.
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Last edited by XoXSciFiGuy; 02-06-2018 at 07:07 AM.
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