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What Primary Oil is your Choice
#551
Maybe they changed the formula? I have both on hand as Walmart cleared them out at $3/qt and I bought (8) each of 10w40/20w50
#556
HD just released a new gear oil for the transmission and primary which is an 80w-140. I just did my 3 hole change on my 08 ultra and I am trying this in my trans and primary along with my regular mobil1 mc 20w-50 in engine. My bike is shifting quieter and primary seems to allow for better finding of neutral even after it has been hot.
Heavy Synthetic Gear Oil
Part Number 62600091
#557
As for changing a primary that has been neglected for years, redline did an awesome job.....shifting was quiet, neutral was easy , really was the oil for the job. But with a primary with 3,500 miles....does it even need it? oil was changed when the primary cover was changed somewhere between 13 miles and 3500.......I can wait
#559
Just tried to make this oil slip on my 134,000 stock clutch, but it held fine and shifts almost as good as ATF. Should hold up to wear great,as it's right up there with the best on 540 rat blogs oil list. Will be using in my new Chevy 350 rebuild also so it's one oil for truck and primary and way cheaper then amsoil been running in primary. I could of bought a new clutch with all the money spent on amsoil primary in the last few years.
https://www.walmart.com/ip/Quaker-St...5-qt/177257743
GSUD 5-30
https://www.walmart.com/ip/Quaker-St...5-qt/177257743
GSUD 5-30
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OutlawFC222 (09-04-2022)
#560
For putting any type of oil/fluids in my bike its SPECTRO Brand, 18 yrs in my old 02 FXD with never a problem and will use it in my newly acquired 03 FLHR-I also.
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Stopit (03-27-2023)