Red Line shock proof

JimCT said:

Anyone running Red Line shock proof gear oil in their 404's? Works great in our '68 LR ambulance, curious if anyone is using it . thanks Jim

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I'm running it in both axles. Great stuff but a pricey.

I tried MT-90 in my transmission but found it a little to thin. Shifting was great but, with what appears to be a slightly leaky rear output seal I got sick of watching that pricey fluid drain into the torque tube and overfill the rear axle.
I switched to some 90wt gear oil from napa and it seems to have cured or slowed the leaking issue.

rodger

1962 404.1s