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Old 04-05-2020, 02:42 AM   #19
mikentosh
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Join Date: Sep 2013
Location: San Jose, CA
Posts: 406
Re: Mikey's 77 shortbox - Greenie

After putting another couple of hundred miles on the 250 I-6, I came to learn that this is a 55mph truck. The I-6 is just not happy spinning at the RPM required for modern highway speed, and the different tire diameter made it even worse.

I also wanted to bring the front end down a little bit to tighten up the front fender to tire gap, but had fears of this truck bottoming out like our shop truck suffers from.

The plan started simple enough: Pancake the crossmember to get some more clearance...but to pull the crossmember the motor has to come up, so we might as well swap that too...you know how it goes with one thing leading to another and then you find the truck is off the road for a year or more; well I didn't want that to happen.

Fortunately we had an extra shortbox frame hanging around that we were using for measurements on some other builds, so I could build this one out while keeping the truck drivable as long as possible.
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