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75W-85W Correct Lube Spec ?
- Thread starter edge10
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Interesting...
What are independent repair shops supposed to do when a vehicle requires 75w85 GL4?
What are independent repair shops supposed to do when a vehicle requires 75w85 GL4?
Originally Posted By: 1sttruck
"
Below is some info on Syntorq;
http://www.high-impact.net/nv4500.htm
Additional Info: Here is the response to an inquiry that was sent to Castrol USA about where to get Castrol Syntorq in Europe: "Castrol TAF-X 75W-90 GL-4 gear oil is made in the U.K. and sold only in Europe. However, the equivalent in the U.S. is Syntorq LT. Having said that, Syntorq LT SAE 75W-85, API GL -4 is a premium high performance, synthetic gear lubricant for synchronized manual transmissions. The all new "clean slate" approach enables Syntorq LT to provide consistent performance and durability under the most severe operating conditions due to its unique polymer free formula. It has been designed primarily as a problem solving gear lubricant for manual transmissions to provide reduced gearshift effort at low temperatures. Syntorq LT is available through General Motors (Part #12346190) and Chrysler (Part #4637579) dealerships. Please contact your local dealership."
Syntorq LT sounds suspiciously like like European Syntrans and not TAF-X as TAF_X is a 75W-90 (equivalent here to Syntrax)
Syntrans was specifically developed for ZF, MAN and Mercedes truck transmissions, and also carries a Volvo trucks pt. #.
It's often used in 'problem' synchro transmissions, and is recommended here for race use.
It's a 75W-85 POE/PAO fluid, which appears to have similar chemistry to GC and is rated in truck transmissions to 400,000km with UOA's.
11.9 cSt @ 100*C
64.4 @ 40*C
VI 183
PP < -45*C
Syntrans M is heavier again at 18.5 cSt and is specced for Spicer, Rockwell and Road ranger transmissions.
"
Below is some info on Syntorq;
http://www.high-impact.net/nv4500.htm
Additional Info: Here is the response to an inquiry that was sent to Castrol USA about where to get Castrol Syntorq in Europe: "Castrol TAF-X 75W-90 GL-4 gear oil is made in the U.K. and sold only in Europe. However, the equivalent in the U.S. is Syntorq LT. Having said that, Syntorq LT SAE 75W-85, API GL -4 is a premium high performance, synthetic gear lubricant for synchronized manual transmissions. The all new "clean slate" approach enables Syntorq LT to provide consistent performance and durability under the most severe operating conditions due to its unique polymer free formula. It has been designed primarily as a problem solving gear lubricant for manual transmissions to provide reduced gearshift effort at low temperatures. Syntorq LT is available through General Motors (Part #12346190) and Chrysler (Part #4637579) dealerships. Please contact your local dealership."
Syntorq LT sounds suspiciously like like European Syntrans and not TAF-X as TAF_X is a 75W-90 (equivalent here to Syntrax)
Syntrans was specifically developed for ZF, MAN and Mercedes truck transmissions, and also carries a Volvo trucks pt. #.
It's often used in 'problem' synchro transmissions, and is recommended here for race use.
It's a 75W-85 POE/PAO fluid, which appears to have similar chemistry to GC and is rated in truck transmissions to 400,000km with UOA's.
11.9 cSt @ 100*C
64.4 @ 40*C
VI 183
PP < -45*C
Syntrans M is heavier again at 18.5 cSt and is specced for Spicer, Rockwell and Road ranger transmissions.
Royal Purple Synchromax has a cSt of 7.7 @100 which puts it squarely in the ATF-type category (one of the only ones since MolaKule shut down production.
http://www.royalpurple.com/manual-transmission-fluid-pp.html
However, they seem to recommend it for everything short of a 90 weight gear oil ... but I highly dispute this.
I'm still looking for a viscosity spec for Honda MTF-II I hear it's a touch thinner than their original MTF ... probably for fuel economy reasons.
http://www.royalpurple.com/manual-transmission-fluid-pp.html
However, they seem to recommend it for everything short of a 90 weight gear oil ... but I highly dispute this.
I'm still looking for a viscosity spec for Honda MTF-II I hear it's a touch thinner than their original MTF ... probably for fuel economy reasons.
Originally Posted By: Bror Jace
one of the only ones since MolaKule shut down production.
I have inquired about this before and never rec'd an answer.
What are you referring to? Does/did MolaKule make manual tranny fluids? Gear lubes?
one of the only ones since MolaKule shut down production.
I have inquired about this before and never rec'd an answer.
What are you referring to? Does/did MolaKule make manual tranny fluids? Gear lubes?
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Originally Posted By: artificialist
Interesting...
What are independent repair shops supposed to do when a vehicle requires 75w85 GL4?
They probably drive over to the dealership and buy it.
Interesting...
What are independent repair shops supposed to do when a vehicle requires 75w85 GL4?
They probably drive over to the dealership and buy it.
"Does/did MolaKule make manual tranny fluids? Gear lubes?"
Yes he did ... his brand was "Specialty Formulations" and he made a full range of synthetic syncromesh fluids, four weights from ATF up to 90 weight gear oil ... as well as a dozen other specialty lubes (hence the name). He shut down production at the end of 2006.
Right now, I think Royal Purple Syncromax is the only ATF-weight syncromesh fluid going. So, despite my dislike of the brand, I'd use it in any vehicle calling for this kind of oil in the tranny.
Yes, 75W-85 GL4 oils aren't impossible to get ... might have to pay dealership prices, though. I'd try Courtesy Nissan's mail order shop.
Yes he did ... his brand was "Specialty Formulations" and he made a full range of synthetic syncromesh fluids, four weights from ATF up to 90 weight gear oil ... as well as a dozen other specialty lubes (hence the name). He shut down production at the end of 2006.
Right now, I think Royal Purple Syncromax is the only ATF-weight syncromesh fluid going. So, despite my dislike of the brand, I'd use it in any vehicle calling for this kind of oil in the tranny.
Yes, 75W-85 GL4 oils aren't impossible to get ... might have to pay dealership prices, though. I'd try Courtesy Nissan's mail order shop.
Last edited:
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Originally Posted By: Bror Jace
"Does/did MolaKule make manual tranny fluids? Gear lubes?"
Yes he did ... his brand was "Specialty Formulations" and he made a full range of synthetic syncromesh fluids, four weights from ATF up to 90 weight gear oil ... as well as a dozen other specialty lubes (hence the name). He shut down production at the end of 2006.
Right now, I think Royal Purple Syncromax is the only ATF-weight syncromesh fluid going. So, despite my dislike of the brand, I'd use it in any vehicle calling for this kind of oil in the tranny.
Yes, 75W-85 GL4 oils aren't impossible to get ... might have to pay dealership prices, though. I'd try Courtesy Nissan's mail order shop.
Courtesy Nissan is a great place to get OEM Nissan parts. Nissan MTF was about $7-$8 a quart when I bought it last year sometime. Any Nissan dealership should have it for sale. I`d check the one nearest you.
"Does/did MolaKule make manual tranny fluids? Gear lubes?"
Yes he did ... his brand was "Specialty Formulations" and he made a full range of synthetic syncromesh fluids, four weights from ATF up to 90 weight gear oil ... as well as a dozen other specialty lubes (hence the name). He shut down production at the end of 2006.
Right now, I think Royal Purple Syncromax is the only ATF-weight syncromesh fluid going. So, despite my dislike of the brand, I'd use it in any vehicle calling for this kind of oil in the tranny.
Yes, 75W-85 GL4 oils aren't impossible to get ... might have to pay dealership prices, though. I'd try Courtesy Nissan's mail order shop.
Courtesy Nissan is a great place to get OEM Nissan parts. Nissan MTF was about $7-$8 a quart when I bought it last year sometime. Any Nissan dealership should have it for sale. I`d check the one nearest you.
Last edited:
edge10
Thread starter
Originally Posted By: aquariuscsm
Your location says US. If you`re anywhere near Austin,Tx and you want to give the Nissan MTF a whirl,swing by Southpoint Nissan (where I bought mine) and buy it there. I paid $7 a quart for it.
I am out on the east coast, but thanks for the info. I ended up getting the Nissan MTF mail order for $ 7.49 a quart along with some other parts I needed. So far, I have this fluid in the Stealth for about 100 miles and I am fairly impressed. During cold start, no shift blocking during first gear down-shift and smooth up and down through all gears. When warmed up for about an hours drive with outside temp at 90 F, also smooth up and down through all gears. Time will tell as I get more mileage and when the cold weather comes to test the 1st gear shift blocking.
Your location says US. If you`re anywhere near Austin,Tx and you want to give the Nissan MTF a whirl,swing by Southpoint Nissan (where I bought mine) and buy it there. I paid $7 a quart for it.
I am out on the east coast, but thanks for the info. I ended up getting the Nissan MTF mail order for $ 7.49 a quart along with some other parts I needed. So far, I have this fluid in the Stealth for about 100 miles and I am fairly impressed. During cold start, no shift blocking during first gear down-shift and smooth up and down through all gears. When warmed up for about an hours drive with outside temp at 90 F, also smooth up and down through all gears. Time will tell as I get more mileage and when the cold weather comes to test the 1st gear shift blocking.
Last edited:
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Originally Posted By: edge10
Originally Posted By: aquariuscsm
Your location says US. If you`re anywhere near Austin,Tx and you want to give the Nissan MTF a whirl,swing by Southpoint Nissan (where I bought mine) and buy it there. I paid $7 a quart for it.
I am out on the east coast, but thanks for the info. I ended up getting the Nissan MTF mail order for $ 7.49 a quart along with some other parts I needed. So far, I have this fluid in the Stealth for about 100 miles and I am fairly impressed. During cold start, no shift blocking during first gear down-shift and smooth up and down through all gears. When warmed up for about an hours drive with outside temp at 90 F, also smooth up and down through all gears. Time will tell as I get more mileage and when the cold weather comes to test the 1st gear shift blocking.
Didn`t the Stealth/3000GT`s have Getrags? My 3000GT had the ABSOLUTE smoothest shifting manual tranny I`ve ever felt. Just incredible cars!
Originally Posted By: aquariuscsm
Your location says US. If you`re anywhere near Austin,Tx and you want to give the Nissan MTF a whirl,swing by Southpoint Nissan (where I bought mine) and buy it there. I paid $7 a quart for it.
I am out on the east coast, but thanks for the info. I ended up getting the Nissan MTF mail order for $ 7.49 a quart along with some other parts I needed. So far, I have this fluid in the Stealth for about 100 miles and I am fairly impressed. During cold start, no shift blocking during first gear down-shift and smooth up and down through all gears. When warmed up for about an hours drive with outside temp at 90 F, also smooth up and down through all gears. Time will tell as I get more mileage and when the cold weather comes to test the 1st gear shift blocking.
Didn`t the Stealth/3000GT`s have Getrags? My 3000GT had the ABSOLUTE smoothest shifting manual tranny I`ve ever felt. Just incredible cars!
edge10
Thread starter
Originally Posted By: aquariuscsm
Didn`t the Stealth/3000GT`s have Getrags? My 3000GT had the ABSOLUTE smoothest shifting manual tranny I`ve ever felt. Just incredible cars!
Yep, the turbos had the Getrags. They have had their share of problems in the Stealth/3000GT, though. I have the non-turbo DOHC with the Mitsu trans, which has fewer problems.
Didn`t the Stealth/3000GT`s have Getrags? My 3000GT had the ABSOLUTE smoothest shifting manual tranny I`ve ever felt. Just incredible cars!
Yep, the turbos had the Getrags. They have had their share of problems in the Stealth/3000GT, though. I have the non-turbo DOHC with the Mitsu trans, which has fewer problems.
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