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    Replacement rear 3.42 diff for 4x4. Can I mix ratios?

    I have a 97 Burb 5.7L K1500. It has a factory 3.42 gu6 g80 diff on the front and rear. My rear has rusted through the horizontal pipes, is leaking and I need to replace the entire read end. The only rear ends I see on craiglist are 3.73 gt4 g80. is this an option? Will the gt4 fit seamlessly...
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    Positive Junction Box on Radiator Shroud

    I have a 98 Yukon and was given a 97 Tahoe 5.7L that has been messed with in terms of wires. Can anyone tell me the specific function of this box in the picture? Is it just a junction for the battery, alternator and computer connections? Any electronics in it? The 97 Tahoe has been messed...
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    Sheet metal shield on side of 98 4wd/4dr gas tank.

    When replacing my fuel lines for my 98 Tahoe 5.7L 4wd/4dr the shield on the side of my gas tank just fell out. It was extremely rusted. What is the function of this piece of metal attached to the gas tank. It is adjacent to the drivetrain but also close to the muffler. Is this designed to...
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    R134a discharged

    I busted my scradder valve while recharging. All my refrigerant leaked out. The specialists discharge with s vacuum pump. After I fix the valve, is that necessary? Can I just recharge without having to vacuum pump?
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    98 Tahoe with misfire for cyl 5

    98 tahoe with 80k miles. Car had power loss. I changed the plugs and wires since cyl 5 plug was full of ash. All other plugs Look good. Truck runs good now but is this indicative of another issue?

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