22-11-2018, 10:50 AM
Once you've bored out the block for liners there's not much metal left between the bore and the base flange. A cam with high acceleration coupled with overly strong valve springs can lead to failure. This is why Chris Garner rightly suggests a more mild cam. I'd also recommend that you think hard about valve spring strength. The general rule is use the weakest ones that will do the job.
Charles
Charles