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Old 09-16-2009, 08:12 AM
v8volvo v8volvo is offline
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Join Date: Jun 2009
Location: Montana, USA
Vehicle: '86 745, '83 764
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Checking your compression would tell you a lot about whether it's related to blowby or to other stuff. Most likely it is rings/bore wear.

What grade oil are you using?

Still running good with more power since the major mods we did over the weekend?
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86 745 D24T/ZF 345k lifted 2.5"
83 764 D24T/M46 155k
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