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12-06-2017
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#21 | |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,165
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Re: May be of interest to Mobil 1 users.
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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12-06-2017
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#22 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: May be of interest to Mobil 1 users.
I guess the question is how many of us have unknowingly continued to use Mobil1 with no apparent detrimental effect?
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12-06-2017
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#23 |
 Join Date: Dec 2014
Location: Long Island, NY
Posts: 293
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Re: May be of interest to Mobil 1 users.
#1727 left Marc's shop with Amsoil 10w-40, everything good. For the next oil change I did a blend of Amsoil & Mobil 10w-30...noticeable occasional chain rattle, in addition to finding out additives are reduced now.
I like to do my research one time, find the best recommendation and move on. Been using Mobil1 in everything, but the ZR-1 getting full Amsoil from now on, period. |
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12-06-2017
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#24 | |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,816
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Re: May be of interest to Mobil 1 users.
Quote:
 I use Mobile 1 Oil Filter and Mobile 1 Differential Fluid in the ZR-1s, PERIOD  I use Amsoil 10W-40 in the LT5 engine. I use Castrol 10W-60 in the ZF S6-40 (Black Label or Blue Label) Transmission. See What Fluids to use in the ZR-1  ........ . 
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Clickable links  On Iphone Touchable Links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 12-08-2017 at 10:56 PM. |
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12-06-2017
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#25 |
Join Date: Oct 2017
Location: TX
Posts: 2,069
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Re: May be of interest to Mobil 1 users.
After doing some research and pondering everyone's input, I think I have decided to go with Marc's recommendation on the Amsoil. After all, he is one who should know.
No more often than we change oil & filters, the cost difference if actually insignificant if it is the best for our cars. I also suggest we should order from Marc and return all the support he gives to the ZR 1 community. That's what I am going to do when I do the service on the car this winter. 
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12-06-2017
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#26 |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: May be of interest to Mobil 1 users.
As good as Amsoil is I have a hard time with the price differential to Mobile 1. I can get M1 for just over $5.15 a quart plus tax. Amsoil is $11.70 a quart plus tax and shipping. Forgetting about the tax and shipping for the moment 10 quarts is $51.50 for M1 and $110.70 for the AMSOIL. I can add a bottle of zinc addative for $10 to the M1, have an even higher zinc level and still be $50 ahead vs AMSOIL on every oil change. With the exception of zinc (zddp) Mobile 1 is still a great product. Unless someone can convince me otherwise I’m staying with M1 even if I have to include the zinc addative.
H 
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12-06-2017
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#27 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: May be of interest to Mobil 1 users.
I believe Pete is using Mobil1 w/o any additives and so far no issues.
I’ve decided on the Mobil1 Extended 10W-40. And now that u mention it, haven’t noticed much in the way of startup chain rattle. |
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12-06-2017
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#28 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,165
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Re: May be of interest to Mobil 1 users.
I pay less than $11 per quart for Amsoil, but I am a preferred customer.. and while I don't pay $5 per quart, I do buy for all my cars.
Where do you guys buy ZDDP from?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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12-06-2017
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#29 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,165
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Re: May be of interest to Mobil 1 users.
Amsoil ZDDP Info attached
__________________
1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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12-06-2017
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#30 | |
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Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,843
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Re: May be of interest to Mobil 1 users.
Quote:
https://www.summitracing.com/nv/parts/crn-99003-1 H |
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