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Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #4959564 12/23/18 03:37 PM
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froggy47 Offline
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Hi DH,

Read all pages here as I am trying to figure the oil in my 2013 10k mi z06 stock heads. DD, cold starts, autox 1x mo. New to me unknown oil now, assume dealer serviced. Used RL 10 yrs in my ls6, excellent. But, this is ls7 with it's own "characteristics".

So read all 20 pgs, long/short going with M1 0w-40 & will get old oil Blackstoned and will pull a sample of new @ 3k mi. Wish me luck & THANKS for all this discussion/info!

Froggy


89 Ford Bronco 2 SOLD, 1996 Corvette LT4 SOLD, 2004 Z06 Vette, 2000 Ford Explorer, 2002 Suburban Z71, 2007 BMW 328i Coupe, 1995 BMW M3 Coupe
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #4960970 12/25/18 09:59 AM
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joekingcorvette Offline
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I didn't read all the posts however as a long time Corvette owner of about 20 years I know quite a bit about their quirks. The 6th generation Z-06 Corvettes are known to have cylinder head issues and this may be where your wear is coming from. Do a google search and you will find many articles on how to correctly repair the heads in order to prevent dropping a valve. I know there are many aftermarket manufacturers that can redo the heads. One such product is called a Frankenstein head and they have had good results. I would get those heads redone correctly before you have more severe issues. I know it costs about $2000.00 for parts and labor if you have it done by a competent shop and thats from start to finish without taking anything apart yourself. I bought my 05 new but is just a Z-51 with the 6.0 engine and it doesn't use a drop between changes.


2005 Chevrolet Corvette
2014 Ford F-150 4x4 supercrew
2014 Jeep Grand Cherokee Limited (wifes)
2012 Honda Civic 4 door (my daily driver)
2007 Lund Tyee Grand Sport Mercury 115HP 9.8HP
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #4963471 12/28/18 02:34 PM
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Impatient Offline
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Just read thru entire thread. Interesting, even for someone who does not have a Vette, or any motor even similar to yours. But I do have Pb reading in the low 30’s...on the one and only UOA I have done on the Ford.

My question is, now that your UOA’s look so good (except maybe Fe), why did you have to replace the heads? Should the UOA’s have given you warning? OK, I’ll shut up until you answer; maybe it was a “power upgrade.”

Last edited by Impatient; 12/28/18 02:35 PM.

15 Ford Transit 250 3.5EB Turbo PPPUP 5w30
07 Subaru OBXT 2.5 Turbo Castrol Euro 0w30
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5043645 03/15/19 09:58 AM
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Dirty_Howie Offline OP
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So here is my latest Blackstone report. As a reminder I had new GM heads replaced after they were inspected and valve seats lapped by Richard at WCCH. OEM powder metal guides and all other components are stock.

This is the first full (3K miles) oil change since my heads were replaced. I did change oil after the first 500 miles. So total of 3.5K miles since heads replaced. Everything is consistent with previous reports except increase of Iron (2-3X my average). Do you think this is normal and more time necessary till motor is completely flushed out or do you think this is indicative of new GM powder metal guides wearing in or wearing poorly?

The motor continues to be quiet. And there was very little, less than ever iron fuzz on my magnetic oil plugs. So I was surprised to see the iron levels up so much.cheersDH

[Linked Image]




Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5044608 03/16/19 03:02 AM
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Gasbuggy Offline
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Always like seeing this car's reports. Planning to keep her for a while longer?


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Re: Corvette UA0 with Redline 5w30: High Lead [Re: Gasbuggy] #5044977 03/16/19 02:47 PM
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dailydriver Offline
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Originally Posted by Gasbuggy
Always like seeing this car's reports. Planning to keep her for a while longer?



I most certainly would if I owned one. thumbsup drive

The LAST very high performance naturally aspirated Vette out there, save for the C7 Grand Sport with all of the track options, which is still down on power to this car as it came from the factory, yup, even with most of the bolt-ons (excepting heads/cam changes) which could be done to the LT-1s. frown


2016 Ford Fiesta ST 17K miles
Ravenol REP 5W-30
Fram XG3600 filter
Ravenol MTF-2 in the IB6 transaxle
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5045083 03/16/19 04:39 PM
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Dirty_Howie Offline OP
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Thanks guys. No plan on ever selling this car. I AutoX twice a month and daily drive it.

Any comments on the IRON ??!!

DH




Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5045111 03/16/19 05:09 PM
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OVERKILL Offline
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Originally Posted by Dirty_Howie
Thanks guys. No plan on ever selling this car. I AutoX twice a month and daily drive it.

Any comments on the IRON ??!!

DH


As long as it trends down going forward I wouldn't worry.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2016 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5045123 03/16/19 05:26 PM
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talest Offline
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Originally Posted by Dirty_Howie
Thanks guys. No plan on ever selling this car. I AutoX twice a month and daily drive it.

Any comments on the IRON ??!!

DH


Iron is not a big deal, The oil you have in there is probably the best you can buy. Don't get bent out of shape about the Iron. Another major oil brand did had the same thing and the concensus is that it is a non-issue.

Re: Corvette UA0 with Redline 5w30: High Lead [Re: OVERKILL] #5045366 03/16/19 09:23 PM
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Dirty_Howie Offline OP
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Thanks guys. I certainly am hoping for a downward trend.
And iron is certainly the metal I am least concerned with and very happy others especially lead continue to be low.

DH

Last edited by Dirty_Howie; 03/16/19 09:26 PM.



Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5048568 03/20/19 04:17 AM
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Garak Offline
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I, too, would say the iron is not a big concern right now, given how early we are since the head install.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Corvette UA0 with Redline 5w30: High Lead [Re: Garak] #5048718 03/20/19 08:57 AM
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Dirty_Howie Offline OP
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Ok. I appreciate that. Guess will just wait till next oil change.

DH




Re: Corvette UA0 with Redline 5w30: High Lead [Re: Falken] #5048930 03/20/19 12:12 PM
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Pinoak Offline
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Originally Posted by Falken
After reading up just now that Pennzoil Ultra Platinum 0W40 has a NOACK of 13, I just can't recommend Pennzoil products anymore.

I would seriously pull out the Big Guns and go Amsoil SSO 0W40 for two OCIs and get another oil report.

http://www.amsoil.com/shop/by-produ...-series-100-percent-synthetic-motor-oil/

I just don't think Red Line is working out on your car. And yes I agree with others the 30wt might be too thin!

Why can't you recommend Pennzoil anymore. Just curious if I missed something.
I didn't have a good result with my last oci of Pennzoil platinum but I can't say it was the oil to blame, I just dunno why.

Re: Corvette UA0 with Redline 5w30: High Lead [Re: Dirty_Howie] #5048938 03/20/19 12:17 PM
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dave1251 Offline
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DH try skipping the Auto Rx how you have maintained your Vette there is no reason to use it. Mobil One in the past has shown to produce higher than average iron you can try another brand 40 grade if you like.


make the inside of your engine oil cap white.
don't use.
Re: Corvette UA0 with Redline 5w30: High Lead [Re: dave1251] #5049415 03/20/19 11:24 PM
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Dirty_Howie Offline OP
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Dave

Not sure what you are saying?
My IRON has been low has always been low until this last report which followed my head replacement.

DH




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