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  1. Naturally Aspirated
    I've recently noticed a case of vanishing oil on my 97 Grand Prix GT. 3.8l NA rebuilt with 40k on the engine since then. I use full synthetic Mobile 1 oil and I've noticed over the course of say, 2 months give or take I'll go through about half a quart or a little more. I have heard that these...
  2. DTC's, Problems & Troubleshooting
    My car has developed an oil leak; I swear it is coming from around the balancer bolt, but that doesn't make sense to me. I have done a few searches on here, and not found this specific oil leak. I don't understand how oil could be coming from the bolt. There is not oil leaking around the...
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