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Thanks for the information.Any ideas why the second install is still leaking oil?
Quote from: Horsman on September 27, 2020, 10:43:19 AMThanks for the information.Any ideas why the second install is still leaking oil?Two guesses:1. There is a nic in the area of the block that the plug goes into maybe from when a previous one was removed2. The plugs are out of tolerance. Are they made in the US or are they off-shored where close enough is good enough
Quote from: sg66 on September 27, 2020, 02:18:39 PMQuote from: Horsman on September 27, 2020, 10:43:19 AMThanks for the information.Any ideas why the second install is still leaking oil?Two guesses:1. There is a nic in the area of the block that the plug goes into maybe from when a previous one was removed2. The plugs are out of tolerance. Are they made in the US or are they off-shored where close enough is good enoughChecked for a nic when I installed the first plug, all looked good.Engine builder provided the plugs both times, I feel they are probably not US made. Any recommendations for a good US product?
Quote from: Horsman on September 28, 2020, 10:06:31 PMQuote from: sg66 on September 27, 2020, 02:18:39 PMQuote from: Horsman on September 27, 2020, 10:43:19 AMThanks for the information.Any ideas why the second install is still leaking oil?Two guesses:1. There is a nic in the area of the block that the plug goes into maybe from when a previous one was removed2. The plugs are out of tolerance. Are they made in the US or are they off-shored where close enough is good enoughChecked for a nic when I installed the first plug, all looked good.Engine builder provided the plugs both times, I feel they are probably not US made. Any recommendations for a good US product?I’ve always had good luck with Dorman. I checked their website and they recommend two cam expansion plugs for a 289 which seems strange:1. 555-051 which is 2 3/162. 555-070 which is 2 1/8Their site says both are 0.060” oversizedI would go with the 555-051 but you may want to first call their tech support line to see why they list 2 different sizes 1-866-933-2911