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BlockGuards???Please Read

772 Views 6 Replies 6 Participants Last post by  sdubfid
OK guys I have seen some fast ass D series run blockguards but i have also heard bad things about blockgaurds. What do you guys think? Anybody running one?
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heres some info but the search button is loaded and check it urself
x2 that thead you have different opinions. It's really up to you.
I have one... 10,000 miles or so... Don't think its caused any problems yet.
another option is the block fill. Keeps the top of the cylinders open to the water jacket but supports the middle.
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