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  1. Exhaust Mods
    Looking to redo my exhaust system and I came across these on ebay, has anyone ever used these or know anything about them? https://www.ebay.com/itm/233874684639?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=G8pwEOTgRvy&sssrc=2349624&ssuid=&var=&widget_ver=artemis&media=COPY
  2. OEM Issues
    Lately my '06 I6 (95K miles) has been regularly throwing a P0128, and it does seem to be running a bit cooler than normal, so I need a new thermostat. I know these forums are full of great how-tos, but I'll probably just pay a pro eventually. My question is, do I really care about this right...
  3. Introductions
    While looking for a drivetrain for street rod project, I came across a wrecked (rollover) '04 Envoy 4.2 with under 4200 miles. Thanks to info from this site I decided to buy it and am in the process of removing everything that can be used on the other car. ('37 La Salle). So technically, I'm...
  4. OEM Issues
    So I am forced to get a new engine, and we were going with a Jasper 4200. I was trying to find specs on the new engine but was unable to. Anyone know how they compare to the OEM 4200? I have a 2006 Envoy. I assume it till be atleast what the OEM engine was but I was hoping it was going to be...
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