Redline 75/90NS Gear oil - Page 2 - Alfa Romeo Bulletin Board & Forums
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post #16 of 20 (permalink) Old 06-28-2019, 06:33 AM
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Originally Posted by Del View Post
Most of us with 164s have run the factory recommended ATF lube (for the US market) in the transaxle with great success for many many thousands of miles. I wonder how that would work in some of these other transmissions?
164's use the Borg Warner designed gearbox which uses brass synchro's. I works completely different from the Porsche style gearbox.

The Borg Werner design is the same style the early 750 Giulietta's used.

1969 1750 Spider Veloce w/dual webers, 1969 1750 Berlina, 1971 1750 Spider Veloce w/ dual webers, 1985 Spider Veloce 23,000 orig. miles, {Two} 1986 Spider Veloces, 1987 Spider Veloce bought new, 1988 Quadrifoglio, 1991 164S, Plus several more. I think they are breeding.
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I just got 2 more. Now I have a Matta. I must be crazy.
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post #17 of 20 (permalink) Old 06-28-2019, 08:48 AM
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Alfavirusnz. We purchase redline from a supplier in Melbourne. If you want to try it Pm me for there contact details.

On the redline oil we have Tried it in maybe 100 105,s and alfettas by now. Road cars and race cars. On rebuilt boxes and ones with worn synchros to people just wanting to try it and I canít say itís any better than many other oils we use. We build and maintain many race boxes and I would suggest the biggest impact on function and wear and tear is how ham fisted you are. People can destroy gearbox parts in a couple of races.

I have been using penrite but switched to redline in my track car. I have rebuilt the gear box now I have to get to the track so I can evaluate the redline in my own car. Anyway you know what they say about *******sí and oils.
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post #18 of 20 (permalink) Old 06-28-2019, 09:27 AM
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I figured I'd chime in with my 2 cents worth of information. I refilled my 1988 with Redline 75/90NS and I noticed a significant difference in the shift quality. Before I was rarely able to get a good shift into 2nd without a grind (I know my trans needs rebuilt), but with Redline I very rarely get any grind at all. The entire shift process feels smoother in general. Much better than I expected!

Adam -- 1988 Alfa Romeo Spider Graduate
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post #19 of 20 (permalink) Old 06-28-2019, 10:04 AM
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Abeasley. Good to hear you felt positive results. I think another thing to consider is what oil you are replacing and how old is it. Obviously if you replace crappy oil with anything of quality your going to feel an improvement. Maintenance has improved on these cars as the value has increased however owners still want to cut costs on things like oil price.
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post #20 of 20 (permalink) Old 07-01-2019, 02:27 PM
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Originally Posted by alfavirusnz View Post
I`ve never had the need to use first gear for anything more than start off and I have by habit always placed the gearbox into second before placing in first in any car I drive.
I certainly donít need to put my modern cars in another gear before using first but I do on my 74 GTV. My mechanic gave me good advice to use 4th gear instead of 2nd since 2nd gets the most use and wear already.
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