Settled on a Valvoline SynPower PSF and Pentosin mix.
#1
AudiWorld Super User
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Settled on a Valvoline SynPower PSF and Pentosin mix.
After running Dex for a few days in the 1991 100 to clean it out, I needed to decide on a fluid. Mobil 1 ATF was my 1st choice, but might be over-doing it on the detergents for an old system and too thick visc, especially with the cold snap coming. Also, I had less than 1L of Pentosin here and had to do the job right now (+0f tonight) so I decided on the Valvoline SynPower PSF. All of Ashlands products are great, so I grabbed a q for $6 and filled up with a mix of the Pentosin and the clear, thin SynPower. Likely a good product for our application, as the Pentosin alone is too thin, imo. Here is an older thread on it.<ul><li><a href="https://forums.audiworld.com/v8/threads/19625.phtml#109492">https://forums.audiworld.com/v8/threads/19625.phtml#109492</a</li></ul>
#2
AudiWorld Super User
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Specs look like VSP is only a hair thicker at 7cSt over the 6cSt CHF11S. Calculating the VI-
50cSt @+40c
7cSt @+100c
VI=?
Dexron ATF is typically 9cSt, a SAE 20 weight.
VI of 95<ul><li><a href="http://www.shell.com/home/Framework?siteId=globalsolutions-en&FC2=/globalsolutions-en/html/iwgen/services_and_technologies/technology/base_oils_group/toolbox/zzz_lhn.html&FC3=/globalsolutions-en/html/iwgen/services_and_techno
7cSt @+100c
VI=?
Dexron ATF is typically 9cSt, a SAE 20 weight.
VI of 95<ul><li><a href="http://www.shell.com/home/Framework?siteId=globalsolutions-en&FC2=/globalsolutions-en/html/iwgen/services_and_technologies/technology/base_oils_group/toolbox/zzz_lhn.html&FC3=/globalsolutions-en/html/iwgen/services_and_techno
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