ls1 timing chain in ls7 block.
#2
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Is there and issue with and LS2/aftermarket single roller in an LS7? I thought just the double roller has issues. I just bought one 5 minutes ago for my LS7 I hope not.
#4
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I haven't heard of any issues with the front covers and double rollers unless its a Melling HV oil pump that is used or a 2 piece timing cover is used. Sorry I can't be more help.