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Jonboy · 04-18-2013, 09:57 AM

The LT1 makes a nice upgrade for these trucks. I had one in a '79, and it had great power and got pretty decent mileage. If you want to save a little money on the gauges, get a cluster from a 90-91 R/V truck (electric gauges). The VSS signal comes buffered from the PCM, so it is an easy hookup.

04-18-2013, 09:57 AM	#6
Jonboy Slots go on anything! Join Date: May 2003 Location: Richardson, TX Posts: 5,957	Re: 85 shortwide lt1 The LT1 makes a nice upgrade for these trucks. I had one in a '79, and it had great power and got pretty decent mileage. If you want to save a little money on the gauges, get a cluster from a 90-91 R/V truck (electric gauges). The VSS signal comes buffered from the PCM, so it is an easy hookup.