mt-90 or reg castrol 75w-90

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09-21-2007, 01:42 PM

ziobep

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mt-90 or reg castrol 75w-90

mt-90 or regular castrol 75w-90 is there any difference???

09-21-2007, 01:42 PM

ziobep

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gear oil that is

09-21-2007, 01:45 PM

ziobep

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both are synthetic right

09-21-2007, 02:19 PM

draxcaliber

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royal purple for the win.

09-21-2007, 03:46 PM

blatant-blue

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no. not royal purple.. I put royal purple in my transmission and all it did was grind. RedLine MT-90. the only way to go.

09-21-2007, 04:19 PM

Nychold

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Royal Purple Synchromax doesn't grind in my transmission, but I've heard Royal Purple Max Gear does.

09-21-2007, 05:30 PM

schaumburgscion

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There is ONLY one choice here.....R E D L I N E

I tried RP in a few cars I have owned over the years compaired to Redline. There is NO COMPARISON. Redline all the way. Far Far Far Far better product. Especially in colder climates durring the winter. RP tends to get real thick. Feels like you are shifting through mollasses until the fluid heats up.