Q Quinlan New member Mar 22, 2009 #1 I am looking for a spare 575 to get rebuilt and have ready. I thought I read that the 500efi and the 575 are the same long block. Is this right? And if so does that mean my Top end off of the existing motors will bolt right up? Thanks for any help. Quinlan
I am looking for a spare 575 to get rebuilt and have ready. I thought I read that the 500efi and the 575 are the same long block. Is this right? And if so does that mean my Top end off of the existing motors will bolt right up? Thanks for any help. Quinlan
J.T. New member Mar 22, 2009 #2 the 575's have 7.5:1 compression and hyd flat tappet cams 500 EFI's have 8.75:1 compression and hyd roller cams. rest of the stuff should be the same.
the 575's have 7.5:1 compression and hyd flat tappet cams 500 EFI's have 8.75:1 compression and hyd roller cams. rest of the stuff should be the same.
J jrz New member Mar 23, 2009 #3 I have one for sale. Attachments 575 024.jpg 91.3 KB · Views: 9 575 025.jpg 90.4 KB · Views: 8
Q Quinlan New member Mar 24, 2009 #4 JRZ Pm me some info YR hrs location and what you are wanting for it. Quinlan
B Biggus Sponsor Mar 24, 2009 #5 The 575SCI long block is the same as the Merc 600SC. They share the same cams, pistons, heads.
