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#20
04-13-2026, 12:39 PM
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I use 4 quarts dex 3 for color and additives, the rest Hy-Gard John Deere transmission fluid because its cheap. The turbo racer guys swear by it on YB. There is a standard viscosity and low viscosity Hy-Gard. The standard vis will lower your converter stall speed about 200-300 RPM. I use the standard viscosity and it does tighten the converter a bit at cruise.
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I could explain all this to the girl at the parts store, but she'd probably call the asylum. White '67 LeMans 407/TH350/Ford 3.89... RIP Red '67 LeMans. 407/TH400/Ford 3.25 |
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