Thread: Picture request
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Old 04-06-2017, 10:59 PM   #23
Daves55Sedan
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Join Date: May 2010
Location: Granite City, Illinois
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Default Re: Picture request

If you were going to make your own adaptor plate, it would be best to first know what the radius is from the crankshaft of the Y-block to the engine-bellhousing mounting bolts as a starting point. Knowing that the radius is 8 inches for the I-block, you can see that you will have two radii layed out on a sheet (the smaller radius being the I-block and the larger being the Y-block. Then you can lay out your bolt hole pattern.
How would the starter work though? You have a manual trans with a smaller flywheel than that used for the Y-block. Will it even be possible to mount the starter so that the starter Bendix touches the flywheel gearteeth ? need to closely look at cast iron ribbing and bumpouts at the back of the Y-block to make sure that a mounting bolt for the manual trans bellhousing doesn't hit the ribbing before driving the bolt home. All kinds of things to think about !
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