Posts Tagged ‘Lakewood’

Offset Dowel Pins

Sunday, November 22nd, 2009

The standard dowel pins had to be removed from the Trans Am’s block.  As you can see in the first picture below, there’s not much engagement for the QuickTime bellhousing after the backing plate is installed.  The new Lakewood offset dowel pins were quite a bit longer which solved this problem.  First attempt at removing the stock dowel pins with vice grips was unsuccessful.  The bellhousing backing plate was too thick to get a good grip on the dowels pins.  Finally the dowel pins were drilled and tapped in order to use a slide hammer for removal.  The pins were case hardened so a few thousands had to be ground from the surface with an air grinder for the drill bit to start.  Some old spare nuts and collars were welded to to a socket head screw in order to use the slide hammer.  The Lakewood dowel pins were easy to install.  The extra money spent proved to be well worth it.  The flats on the pins were undoubtedly easier to adjust than a slot for a screwdriver on cheaper offset pins.  I still think I could have dialed the bellhousing in more accurately.  With frustration setting in after a few hours, I finally had to settle on .004″ offset which is just under the .005″ spec.  After the bellhousing was dialed in, the dowel pins were locked in to place with a socket head screw running through the center.  The bellhousing was removed again for clutch installation.  The clutch, pressure plate, and bellhousings were then put back in place for final assembly.

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