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  1. M

    Will EGR delete cause rich running symptoms?

    Like the title says...Will EGR delete cause rich running symptoms? I did my intake gaskets recently and deleted my egr at the same time. I have not tuned out the egr yet. I have white smoke on start up, it lasts until the engine reaches operating temperature. The smoke smells rich, almost...
  2. M

    are there two coolant temp sensors on 98 vortec 5.7?

    Hi. Like the title says. Are there two coolant temp sensors on these motors. i know there is one next to the thermostat, but is there one going into the block as well (driver side, below the spark plugs). if so, what is it called/if not, what is that sensor. it screws into the block and...
  3. M

    Just did intake manifold gasket...still losing coolant. Nooooooooooo!

    Hi. This is my third post in three days. I just did the intake manifold gaskets a few days ago. I've marking the coolant level in the overflow tank while the truck is parked overnight to try and get an indication of leakage. It seems to be dropping slightly after each night. My only hope is...
  4. M

    setting distributor (cam retard) on 5.7 vortec with aftermarket distributor

    Hi. I just made a post a few days ago about my intake manifold gasket replacement. Now I'm trying to get the timing correct. The truck runs, I brought it to a shop to get the cam retatd adjusted. I was -8 and after adjusting -6 was as close to zero as the mechanic could get. The distributor...
  5. M

    Filthy intake manifold/valley/lifters...how to clean???

    Hi. I need help. I'm in the process of replacing the intake gaskets, valve cover gaskets, spider and various other bits and pieces. I have the intake manifold and valve covers off...and the valley/block is full of black sludge as well as the manifold is full of carbon. What's the best way to...
  6. M

    Coolant leak...need help diagnosing/finding the problem

    98 k1500, 5.7 vortec, 4L60e. Hi guys. I need some help. My truck started leaking coolant yesterday. I drive, the motor warms up to operating temp, I shut it off and the coolant will begin to leak. About 50 ml or so. Then it will stop. I assume it leaks because the system is pressured...
  7. M

    Power washed engine bay, now no start!

    Like the title says. I washed the engine bay, I made sure not to directly spray the alternator or electrical connections. The truck started immediately after washing, I let it sit for about 45 minutes and then tried to start it again. It didn't want to. It tries to turn over but seems to...
  8. M

    EGR Delete Before Tune?

    hi all. if i was to delete the egr, before i got a tune would i have any problems with performance or drivability. i know the check engine light would come on, but is that all that would happen. in the near future i'm replacing my intake gasket and wanted to remove the egr, but a tune is a...
  9. M

    Code P1345 - Adjusting Distributor

    Hi I have a P1345 code (1998, 5.7 Vortec). This code is related to the camshaft and crankshaft correlation. I was wondering if the truck can run "fine" and still have the timing off. I know the cam retard has to be within + or - 2 degrees. But if its outside the 2 degrees will the computer...
  10. M

    Which gasket set to buy?

    Hi all, i'm replacing the intake manifold gasket on my truck (98, 5.7 vortec), i'm also doing the mpfi swap. here are two part numbers for gasket sets on the summit website. i'm wondering which would be best for the repairs i have planned. they seem to be vary similar, but i just want to be...

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