Garry in Tampa wrote:I believe they are 1/4" - 20 threads per Inch (SAE standard coarse) should be grade 8
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thanks for the tip. did that with a harmonic balancer puller and impact gun. no dice. she wont budge. I can see how having the OMC puller will perform much better and was thinking about buying one, but the local shop said he would do it for less, so I am up in the air.
anyone have ideas? i did watch a few videos and read this thread again. but the OMC puller has the right height on the bolts and probably centers easily.