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  1. ChromedZ71

    '98 K1500 Z71 5.7L Vortec Overheating... Help?

    192,500KM (120,000Mi) on my truck. So, my truck started overheating about a month ago. Previously it ran at around 70C (160F) which all my chevs have run at. Late November, early December it started going up to 115C (240F) and then it would drop down to 100C (212F). I immediately changed...
  2. ChromedZ71

    1998 GMC K1500 5.7L Vortec Cam question

    I have a '98 K1500 with the Vortec 350, I have been wanting to put a lumpier cam in. I want the lumpiest cam I can get giving me the most torque and power increase possible but also to give me the best fuel mileage I can gain while hauling my 9.5ft camper. Part numbers, name brands...
  3. ChromedZ71

    Steering parts improvement question..

    I have a 1998 GMC K1500 with the Vortec 350 and the Z71 offroad package. I need to replace a couple steering components but as I am going to be putting a 6-8" lift in within the next couple months I figure maybe I will replace all the steering components. My question is: Is there any high...
  4. ChromedZ71

    1992 Chevy k1500 tranny issue?

    So, last week I put a used tranny (700R4) into a 1992 chev pickup. All fluids are filled, no leaks. First time we started it up it sounded like the flywheel was grinding on the bellhousing (it is not). So there is a very loud and mechanical grinding sound and I'm not sure what the problem is...
  5. ChromedZ71

    What to use for performance parts?

    I have a '98 5.7L Vortec. Looking to slowly gather parts to increase it's performance level. Currently have: Cold air intake Performance coil Long tube headers/ no cats/ Magnaflow muffler Looking to upgrade distributor, fuel pump, and throttle body at this point in time. What does everyone...
  6. ChromedZ71

    My 1998 K1500 ECSB 5.7L Vortec

    So, I bought this truck in early October 2013, completely stock with a whopping 157,000 original kilometers on it. It had the chome along the lower half of the truck and chrome trim around the stock grey grille. I've now owned it for 6.5 months and it is far from stock. I started with an...
  7. ChromedZ71

    Major misfire, all new plugs, leads, cap, rotor. Timing correct. Spider Inj suspect?

    I have a 1998 GMC K1500 with the 5.7L Vortec. Just today I started having some misfiring happening. I pulled my spark plugs and saw 3 had cracked porcelain, so I replaced all 8 with E3 Racing plugs. Leads with NGK performance, and cap and rotor with OEM. That made my issue worse. The misfire...

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