ntxcustoms Posted November 4, 2019 Report Share Posted November 4, 2019 Ok scratching my head here. I have a mystery block i came across. Numbers ground off the pad so no luck there it's a 23" block mopar l-head. But...the stroke is a little under 3 7/8" all reference material i see doesn't list that measurement. It's like it's destroked which would mean no torque...which would suck. Bore is 40 over from 3 1/4". It's fully rebuilt so i would love to run it but what the hell is it? Thoughts? 1 Quote Link to comment Share on other sites More sharing options...
P15-D24 Posted November 4, 2019 Report Share Posted November 4, 2019 Post the casting numbers on the side. Their is a list of them in the Downloads section. Quote Link to comment Share on other sites More sharing options...
ntxcustoms Posted November 4, 2019 Author Report Share Posted November 4, 2019 Quote Link to comment Share on other sites More sharing options...
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