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Old 03-25-2015, 10:47 AM   #329
rgunlock
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Join Date: Jul 2009
Location: Tomball, Texas
Posts: 1,592
Re: My 78 K15 High Sierra build - Fish Tremble

Hi, I have actually drilled for the drain tube. On mine, I drilled right at the top of the floor just before it joins the firewall. The firewall actually has about a 1" overhang there so you'll barely see the drain line from the engine compartment. This may provide more slope than necessary, but I believe it was only about an inch drop and keeps it mostly out of sight.

I've still got to find belts for both the alternator and the compressor. The VA instructions do provide suggested lengths and since my engine and accessories are otherwise stock I'm hoping this won't be an issue.
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Rick

78 GMC K15 SWB, 350/NV4500/NP205/4.10s Project Hazel
71 GMC C25 350/TH400 - Project Angie
59 Chevy SWB Stepside (next in line? Not sure now )
2001 GMC Sierra K2500
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