Originally Posted by
1.8litertalon
No a block guard stabilizes the sleeves in an open block so they do not move under load. And, now that I think of it, I have not been on VFAQ.com in a few years so who knows. But there is a site and I can not think of the address off hand either.
4G64's are still FTL though.
My open header Spyder will always be legendary on these forums