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  1. Chevy C/K Truck Forum
    Hi I have a 1998 k2500 Cheyenne with about 305000 miles. It have the 5.7L v8. The issue I am having is that the truck has low oil pressure and idle at a stop. The pressure and idle is fine when you first start the truck but as you go you can the oil pressure drop. It usally drops to around 20...
  2. Chevy C/K Truck Forum
    I have a 92 GMC k1500 5.7 TBi 350, I got this truck about 6 months ago. The engine has a little over 100k miles on it so not original engine. The truck boggs down constantly but not where it cuts off, it idles great but when giving it gas it runs like it's lost half the power. Every now and...
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