Quote:
Originally Posted by ProStreet83C10
ok guys, one last question.,..since the starter i got is for both 153 and 168 tooth flywheels does that also mean it has provisions or adapters for both staggered and straight mounting options?
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The universal type of starter usually has a straight bolt configuration, but with multiple holes drilled (usually 4). On the starter, if you use it on a 153-tooth, it would use one set of 2 holes. For the 168-tooth, it would need to be moved over about 3/4" outward and use the other set of 2 holes (in the starter). On the engine mount pad area, it uses the "straight" bosses for the 153 setup. Allowing you to move it sideways for either a 153 or 168 setup depending on which holes in the starter you use. It's hard to explain but once you see, it will be an "ah ha" moment.
Normally the 153 setup uses the straight row bolt pattern. And the 168 uses the L pattern on the engine pad. The universal ones just move side to side in the 153 tooth holes depending on what flywheel/flexplate you have.
Since you would have to move the starter over about 3/4" outward for a 168, there might be rare cases when it won't clear tight headers or the bellhousing cover plate hole properly, etc. YMMV. If you have a 168 and it doesn't clear something, then get a L pattern version like I posted above. But be sure you have the 3rd boss for the L pattern starter. Most motors do. But some don't.
Oh, and the gear teeth spacing is the same. Just a smaller diameter flywheel/flexplate, thus less teeth.