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95NismoB14grl
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1,492 Posts
Discussion Starter #1
WEll, been thinking about changing my tranny fluid to something new. I heard of redline shockproof(heavy and light) I was thinking of running a mixture of heavy and light, this is going in my daily driven turbo classic. What do you guys think?? Let me know the thoughts!!

Tom
 

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593 Posts
the breakdown points of the oils are different, if you feel your driving is more aggressive then suttle, i suggest get the heavy. i run heavy in my turbo classic and have nothing but good to talk about. the heavy uses a red color oil and the light to the best of my knowledge uses a blue color, i dont think mixing would be a good idea. but then again i may be wrong. i say use the heavy to be on the safer part. and if you have to order it, it would be a good idea to order the gallon i think it is, it will be cheaper then buying 4 seperate quarts i think.
 

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Boost Addict
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Also, it depends on the climate you live in. If it's winter and temps. are usually around or below freezing, then definitely get the lightweight shockproof oil. If you live somewhere like Cali, or Florida with no chance of cold weather, then get the Heavyweight.
 

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Missing my SR
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300 Posts
Im having the same probleme here. My NX is my summer car and it wont see winter. I drive it everyday in traffic and i pan do doing at least 8 autocross events this summer plus maybe a track day or two. Does the heavyweight make it harder to shift ? Or is it just harder to shift when its cold (the tranny)? I was thinking about mixing 2 lightwight and 2 heavyweight. Bigtoe and/or Choaderboy... im waiting for your replys :)
 

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ser+turbo=****ed up tranny...i suggest redline shockproof


im on my second tranny..this ones got shockproof and im driving the same with no problems yet :rofl:
 

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4th sr20 and counting..
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2,949 Posts
weather is cold in pa,, on my n/a se-r's i use the heavy.. in my toyota, i use the heavy... talked my friend out of valvoline (which eats at his syncro's in his trans/ only took him 3 trannys to take my advice, and he now he 2 uses heavy shock proof too...
 

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Team Tool
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2,514 Posts
Use the Shockproof Heavy. It takes a little while to warm it up in the trans when you are driving, but after 5 min its normal.

FYI set aside an afternoon to change it, it will take liek 30-40 min to pour 4 quarts.
 

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meh
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867 Posts
mt90 was used in my bone stock b15/p11 trans at 260-300ftlbs at the wheels on low boost...never had a problem :D used shockproof heavy in my old b14 cyro/welded trans and the trans let go from a roll in 3rd at same levels. i will run the mt90 on a stock b15/p11 trans when the car is running again at higher boost levels and see what happens.
 
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