Gear oil

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Just popped into Pep Boys and they had Sta-Lube (my old faithful) for
limited-slip diffs. in 75w / 90w for $20 per gal. --or-- 80w / 140w
hypoid gear oil for $10 per gal--both supposedly New & Improved. Which
for '69 Round-tail, which for Alfetta GT? Which for diffs., which for
trannys? Yes, I'm aware, GT's are a combo.

Biba
Irwindale CA, USA

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