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Old 11-20-2012, 08:19 AM   eBay Motors  #1 (permalink)
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Can i mix them?

Was wondering if anybody knew what would happen if I mixed additives?
I have always run stanadyne performance formula and just bought a fresh case.
Recently joined the forum and read the additive test. Stanadyne is way down there and opti-lube is at the top.
Ordered a quart to give it a try. Was thinking about mixing them. Any comment appreciated.
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Old 11-20-2012, 08:33 AM   eBay Motors  #2 (permalink)
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Run one at a time until its gone, no use wasting it as there could be a reaction between the two. I wouldnt chance it. who knows, your truck may be the opposite of lab tests, wouldnt be the first time ive seen it.
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Old 11-20-2012, 10:10 AM   eBay Motors  #3 (permalink)
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They probably have very similar chemical compositions. I doubt it would hurt anything but I would do as stated above just in case.
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Old 11-20-2012, 10:38 AM   eBay Motors  #4 (permalink)
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Where is this additive test you speak of?
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Old 11-20-2012, 11:16 AM   eBay Motors  #5 (permalink)
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the test results are in a thread 5 below this 1. Titled fuel additives.
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Airdog II 100 with CAT 364-5287 UHE, EFI live from ATP
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Old 11-20-2012, 03:14 PM   eBay Motors  #6 (permalink)
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I dont thing itll hurt if u mixed them. But Id use up the rest of Stanadyne or toss it.
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Old 11-21-2012, 01:07 AM   eBay Motors  #7 (permalink)
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1. I dont see any additive "test" thread

2. I always heard that stanadyne is one of the best additives available.
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Old 11-21-2012, 03:12 AM   eBay Motors  #8 (permalink)
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Quote:
Originally Posted by Tow Master View Post
1. I dont see any additive "test" thread

2. I always heard that stanadyne is one of the best additives available.
He's talking about the fuel additive study done in 07. Fuel additive Post #7

Opti Lube XPD ranked #2
Stanadyne LF ranked #8
Power Service DK #10
Stanadyne PF ranked #12
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Last edited by HD Dmax Machine; 11-21-2012 at 03:15 AM.
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Old 11-21-2012, 04:49 AM   eBay Motors  #9 (permalink)
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I thought everyone has seen that additive study by now, lol


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Old 11-21-2012, 05:06 AM   eBay Motors  #10 (permalink)
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Quote:
Originally Posted by bretmax View Post
....Stanadyne is way down there and opti-lube is at the top.
Ordered a quart to give it a try. Was thinking about mixing them. Any comment appreciated.
Your cost per tank with Stanadyne PF vs Opti-Lube is the same.
I'd dump the Stan on CL and make the switch.
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