Porta Tool Vw Line Bore Tool
Porta Tool Vw Line Bore Measuring Instruments
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I was surprised to see negative postings about the Porta-Tool Mainliner. I am 60 years old and have been a machinist/mechanic all my life. I started rebuilding VW motors while I was still in high school. Over the years I've learned a lot. Rebirth iso installation .zip.torrent. In 1980 I purchased a Mainliner, I READ THE INSTRUCTIONS. I used this tool to line bore dozens of cases over the years and it has always done an excellent job for me.
Design doll cracked. Weekends do not count in this turnaround.
Porta Tool Vw Line Bore
As a machinist who has made precision bearings for virtually all aircraft engines that fly today as well as the bearings for the Space Shuttle I am well trained on making products with tolerances sometimes down to 30 millionths of an inch. I always gauged bored cases with a dial bore gage after I bored them. I was always impressed with how accurate the bores were time after time, even when switching between cutters. The only problem I had with this tool was after years of use I needed to put some oil in the hydraulic feed unit as some evidently had leaked out. The only addition I added to the Mainliner was I made my own setting tool for the cutters so I didn't have to bother sending them out to be sharpened.