syncro ring issue,,race cars - Page 5 - Alfa Romeo Bulletin Board & Forums
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post #61 of 83 (permalink) Old 11-06-2012, 10:05 AM
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thank you once more richard.
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post #62 of 83 (permalink) Old 01-12-2013, 11:27 AM
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redline gear oil

would you recommend the redline 75w90 NS for street use? I have used MT-90 in all my alfas for years. this is a GL-4 oil that specifically says is safe for brass components. I am now getting some gear noise in 2nd and 4th gears ( no synchro problem). I am thinking of changing to the 75w90 NS before tearing the gearbox down.

Any insight?

Thanks
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post #63 of 83 (permalink) Old 01-12-2013, 12:18 PM
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Other than cost, there is no reason not to give it a try. I use it on one of my two GTA CR transmissions on the street with no issues. This is, however, just my experience.


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post #64 of 83 (permalink) Old 01-12-2013, 12:51 PM
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Now this is an interesting factoid. Could it be that Fiat's traditional distain for Alfa is at work here? But what, as is often the case in the corporate world, that isn't really a hard-and-fast decision? What if we on the bb organized a world wide email-campaign asking Fiat to change their policy and place an order for Alfa syncros? I would think somebody in the corpoate bowels of Fiat probably made that decision and it got institutionalized because nobody challenged it. With a little luck we might be able to change that.

Just a thought.
I didn't re-read the entire thread, but did anyone mention that Alfaholics is selling what are claimed to be proper reproductions of the original synchros? Anyone know if they are different than the other repros that everyone is complaining about? If so, there may not be a need for a campaign.

Erik
'66 GTV racecar, '71 Spider racecar, '74 GTV street car, '71 GTV project
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post #65 of 83 (permalink) Old 01-12-2013, 02:15 PM
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gl5 gear oil in an alfa

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Other than cost, there is no reason not to give it a try. I use it on one of my two GTA CR transmissions on the street with no issues. This is, however, just my experience.
thanks for the feedback. Are there any resources where I could find out if the GL-5 oil in the 75w90 NS is safe for brass components?

thanks again.
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post #66 of 83 (permalink) Old 01-12-2013, 02:52 PM
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From my experience with brass bushings in Ferrari transaxles, even the 90 EP that would turn the brass black, ONLY did that when it oxidized over time. If we changed the lube either annually, or if it was cooked as in racing, nothing turned black. If we let it cook, cool, and cook again, brass got black. If it sat unused, for years, brass turned black. Flush the brakes, and clutch, change the transaxle lube at each oil change or annually, and there were no issues.


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post #67 of 83 (permalink) Old 01-12-2013, 03:50 PM
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flushing

wow! that is a lot of flushing. I don't know if I can meet that level of dedication.
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post #68 of 83 (permalink) Old 01-12-2013, 04:08 PM
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thanks for the feedback. Are there any resources where I could find out if the GL-5 oil in the 75w90 NS is safe for brass components?

thanks again.
I suggest that you give a call to Redline's tech supports guys. When I called them to ask if NS was appropriate for an Alfa gearbox the guy I talked to knew all about Alfas. Also, another consideration is that NS has been around for quite some time and is regularly used by Alfa racers. That's about as good a field-test as you'll find.

I changed to NS in the close-ratio transmission in my Super last spring. I'd been told to expect a difference but I was surprised at just how much there was. After putting in the NS, shifting effort was dramatically easier, much smoother and quicker both up and down shifting. You can actually feel the difference in how the syncros bite with the NS as compared to regular gear lube.

Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
'62, Lancia Flaminia Zagato3c, 2nd series
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post #69 of 83 (permalink) Old 01-13-2013, 07:04 AM
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Redline 75-90 NS

Actually you don`t have to call anyone. Just read the lable on the back of the bottles!

Yes it is safe to use with "yellow" metals...

Richard Jemison
RJR Racing

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post #70 of 83 (permalink) Old 01-13-2013, 09:18 AM
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Actually you don`t have to call anyone. Just read the lable on the back of the bottles!
Labels?? We don't need no stinin' labels . . .

Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
'62, Lancia Flaminia Zagato3c, 2nd series
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post #71 of 83 (permalink) Old 01-13-2013, 09:25 AM
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I didn't re-read the entire thread, but did anyone mention that Alfaholics is selling what are claimed to be proper reproductions of the original synchros? Anyone know if they are different than the other repros that everyone is complaining about? If so, there may not be a need for a campaign.
Well, you gotta hand it to the Alfaholics guys, they're certainly walking the walk when it comes to actively finding parts solutions, even if it means they go out on their own and actually make the stuff themselves. Now, in addition to becoming lawyers---shudder---I wonder if Max and Andrew also learned to speak fluent Mandarin?

Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
'62, Lancia Flaminia Zagato3c, 2nd series
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post #72 of 83 (permalink) Old 01-13-2013, 10:10 AM
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NS it is. I'm sold. I wonder what is making the noise in second and 4th. I hope it goes away with a simple oil change. I'm afraid im in for an expensive rebuild.
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post #73 of 83 (permalink) Old 01-13-2013, 10:26 AM
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the price listed for the synchros is 100 bannanas a ring it seems from their site.can any one confirm that?
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post #74 of 83 (permalink) Old 01-13-2013, 02:13 PM
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wrong. 100 *pounds*. that is $162 dollars a piece. quite a bit, but they did have them specially made and all of their stuff rocks.
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post #75 of 83 (permalink) Old 01-13-2013, 02:43 PM
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Syncros

Once you pruchase and install aftermarket syncros and they prove to be less than great you are out all the effort and $$ you have spent.

I strongly suggest you avoid any aftermarket pieces and call Larry at APE, He will sell you as new syncro parts very reasonably. I`ve never gotten a syncro from him that I was not happy with. I will only use OEM parts until someone proves the alternatives hold up in race application.
Too much "great new product" Chinese junk out there.

Richard Jemison
RJR Racing

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