I even did a 2-1 for the first time and it was near perfect no buck or bump at all. Now it just falls into gear no matter how screwed up your rev match is. It wasn't impossible before but if you didn't rev match it perfectly it would clunk into the next gear. And what I love most about MT-90 is the car down shifts SOOOOO much smoother now. Shifting from 3-4 didn't change much, I never really had problems with it before. :lol: So far with the MT-90 it feels just like his with the exception of the "crunch". He drove my car at the track and said he had the car basically lock him out of 3rd. He has had MT-90 for about 7000 miles if I remember correctly. I drove Jason's (Zoomin J's) car at the track and slammed that puppy into 3rd and didn't get any retaliation at all. I've only driven 30 miles with the MT-90 in so I'm hoping this will vanish with time. This is contributed greatly to having only a single cone syncro on 3rd gear. Shifter from 2-3 is now effortless, although there is still a faint "crunch" when shifting briskly above 5000rpm. The clunk I felt when shifting mainly from 1-2 is now non existent, butter smooth even above 5000rpm. Switching to MT-90 at 13000 miles has fixed or greatly reduced these problems. :lol: I'm exaggerating a little but you get the idea. And you had to baby it into 3rd gear at anything above 5000rpm if you didn't want it to slam into the syncros and almost have it fly back out. Adding my signature 2lb knob into the mix did help greatly but under quick shifting above 5000rpm it seemed you almost had to hang on it to get into gear. And this was only amplified with the addition of a TWM Short Shifter. Ever since I rolled the car off the lot the shifter was always clunky compared to other 3's I've driven. Seal compatibility is designed to be similar to petroleum-based lubricants.Redline MT-90 is worth it's weight in gold! I picked it up from Lowe's Automotive here locally for 9.95 a quart. Because of its low corrosivity, Red Line MTL and MT-90 could also be used in transmissions requiring GL-1 or GL-3 lubricants. The additive chemistry used is non-corrosive, so even though they will provide GL-4 performance, they will not corrode synchros or bushings. MT-90 is a 75W90 GL-4 and also satisfies motor oil viscosities SAE 10W/15W/40. The shear stability and oxidation stability of these products are excellent, thus the physical characteristics of Red Line MTL and MT-90 will change little with use. MTL is a low 75W, almost a 70W, at very low temperatures and a high 80W, nearly an 85W, at elevated temperatures, providing adequate viscosity to prevent wear and deaden gear noise. The synthetic base oils used have a very high viscosity index which provides relatively constant viscosity as temperature changes. Secondly, the viscosity characteristics of MTL and MT-90 allow proper shifting over the entire temperature range which the transmission will experience. Many gear oils, engine oils, and ATFs are too slippery for proper synchro engagement. First, they have the appropriate coefficient of friction for most manual transmission synchronizers. MTL and MT-90 have cured the problem of hard shifting in numerous transmissions which have notoriously difficult shifting. RED LINE MT-90 is designed to provide excellent protection and improved shiftability for manual transmissions and transaxles. RED LINE MT-90 is designed to provide excellent protection and improved shiftability for manual transmissions and transaxles.
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