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Max bore on a 243 head?

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Old 05-27-2011, 04:00 AM
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Default Max bore on a 243 head?

I was looking into doing a stroker short block with the lsx block and was wondering what is the max bore a set of 243 heads can be machined to accept.
Old 05-27-2011, 04:18 AM
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ive read about guys using them 4.060 lq4/lq9 apps with no issues. thats the biggest ive read about that i remember. katech sells big bore 243's not sure what theyre all about tho.
Old 05-27-2011, 04:40 AM
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I already have a set in my garage I was going to do my head cam swap in a bit but was wondering what I can look forward to doing later on. I wanted to try and keep my fast 90, edelbrock long tubes, and 243 heads when I do a stroker so that I do not have to buy an all new top end setup.
Old 05-31-2011, 07:15 AM
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I have one set left of 4.100+ bore LS6 heads on clearance if you're interested.



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