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Old 01-02-2018, 11:09 AM   #96 (permalink)
aardvarcus
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Join Date: Apr 2012
Location: Evensville, TN
Posts: 676

Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.75 mpg (US)

Griffin (T4R) - '99 Toyota 4Runner SR5
90 day: 25.43 mpg (US)
Thanks: 237
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So I did a ton of work on the Suburban over the holiday break. Routed lots of wires and cables, fabricated an aluminum upper radiator shroud to integrate my electric fans, hooked up lots of assorted parts, terminated and troubleshot the wiring, added fluids, and generally worked on it as much as I could. Rolled it out of the garage yesterday and started it up.

The engine ran fine, but it was making a thumping noise out of the intake. I am guessing it is a valve not opening, so I will have to pull a bunch of stuff to get back to the valve covers off to have a look. Hopefully it will be a simple fix and not require pulling the heads. Note I never pulled the valvecovers before swapping this engine, the bottom end looked so clean I assumed the rest was in similar condition.

Anyway that sucked the wind out of my sails a bit on the project. I have a few in progress pictures showing the fan shroud but I was too disgusted to photograph it last night. But what fun would a project be without some hiccups.
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