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  1. E

    Looking for diagnostic scan tool

    I sold tools for 32 years. There is a new brand out there ottofix, it is very, very good. Try one of those get it from ebay.
  2. E

    2002 yukon Z71 thermostat question

    I always drill an 1/8 inch hole in all the t stats i install. It does away with all those problems. Also if the t stat shuld stick closed it insures you wont fry a motor.
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    Little FYI

    Just a little fyi. Since all the baloney with my tahoe. It now has 320 thousand on it. It does not use a drop or leak a drop of oil. Put a little bit of marvel in it quited down the lifters and after all that runs great. Miledge is good for a tahoe. Lots of power no smoke whatsoever. Other than...
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    Aftermarket Intake trouble shooting MPG

    its a huge compliment sir.
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    Im Back! here we go agian.

    okay guys got it all apart. When I pulled off the valve cover started buzzing of the rocker arm bolts I cam to the cyclnder with the problem, the intake rocker was off to the sided looked loose and thd push rod just sitting there! So this thing ran for six months. But my wife ran it down to...
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    Battery not charging message but it is sometimes

    check the connector on the back of the alternatgor closely.
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    REDUCED ENGINE POWER. Read below and please help me understand this.

    on yours id get a stock throttle body, and really check the wires from the pedal to the throttle vss or whatever it is called and look hard at those connectors. take them apart and look real hard.
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    Aftermarket Intake trouble shooting MPG

    Do you work at nasa by chance!?
  9. E

    Im Back! here we go agian.

    Your right, I followed up the compression test with the old oil in the cyclinder test, no change. So I wipped out the old cyclinder balance tester, and whola exhaust valve singing like a bird. So either I missed a slightly bent valve, which would be odd or there just wore out. I did a quickie...
  10. E

    Im Back! here we go agian.

    Well, I thought I was done for a long time. But, all that work and we only got five months out of her. The same hole I put the usd piston and rod in with new rings, now has only 30 lbs compresion. I guess I could throw some oil in her and see if it goes up, but does it really matter? She has 315...
  11. E

    TTY head bolts with engine in-vehicle

    First off if your using the original head bolts do not do torque to yield. They dont streth anylonger and you will break them. There was a study done, used gm head bolts are stronger than brand new arp stuff. Look it up. I beleive you do the first pass 25 lbs second at 50 and I do the last at...
  12. E

    Knock Sensors! Another Experience Piece!

    The dreaded knox sensor debacle. You can purchase all original gm parts, put everything new, and then whamo two weeks later lights back on. This is a horrible design. Another reason for litegation. But I have the fix. Take the knox sensor out of under the intake. Mount one on the passenger...
  13. E

    Coolant Tee Quick Questions

    You want both black tees. They last longer!
  14. E

    Knock Sensor Advice

    Put them on outside of engine one on front of passenger head , the other drivers head side half way. Solved forever!
  15. E

    Engine issues

    If I were you, I would not go back there. You need a compresion test and cyclnder leak test. Will tell you all you need to know. If your in califonria close I can help, good day!
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    Reduced Engine Power, an opinion and experience piece!

    My Experience: Reduced engine power, my thoughts and ideas. If you are having this condition, which in effect will affect every loving gm owner of trucks trahoes and gmcs. Im going to list these, they are self descripve in nature. First Things to check. !: grounds, check under drivers front...
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    Bleeping QD lines to evap / fuel system

    Make yourself a smoke machine makes this kind of repair much easier.
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    Alternator

    Rebuild the one you have got. You can not purchase one of the same quality has the one that came originally with your truck new. Not even from gm. Just copies.
  19. E

    Exhaust manifold clamps

    You can buy the clamps cheaper on ebay. I have used them in the back corners. They work but stink putting them in.
  20. E

    Chasing Vacum Leakes!

    So I wanted to for sure know that I had no vacum leakes or any other kinda leakes in the newly repaired Tahoe. So I put together a smoke machine in about fifteen minutes. Used it on my tahoe, didnt find much. But , I have been chasing a intake leak on my lifted honda ridgeline for a few months...
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    2005 Tahoe Fuel System Upgrade

    made a phone call for ya 70 mm turbo 60 lb injectors!Up to 650 hp
  22. E

    2005 Tahoe Fuel System Upgrade

    80 pounders?
  23. E

    Reduced Engine Power - on startup only

    check the battery voltage in the morining before start up.
  24. E

    Head gasket question/advice (05 Tahoe 4.8)

    To low of miles. Pull the heads takem in and pressure check them clean it all up put back together , run it until 500 thousand!
  25. E

    Broken Connecting Rod! Yikes

    Okay guys, got her all butoned up today, hit the key smooth has silk. I went ahead and pulled the other head. Valves were in bad, bad shape. Did a valve job in my garage, new seals new head gaskets. Double checked all the injectors hit the key pure sweetness. Finally. Thanks for putting up with...

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