how many engine hours to rebuild?
hi all,long time no post
how many hours app. 500 efi engine can be used before rebuilt? -pleasure boat |
Originally Posted by timucin
(Post 3407748)
hi all,long time no post
how many hours app. 500 efi engine can be used before rebuilt? -pleasure boat |
Have had a few that had broken valve springs at 350-400
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Originally Posted by bcschoe
(Post 3407762)
519 hours at 5000 RPM
They ran excellent.....right up to that final moment!!!!!:D |
Figure top end refresh's in the 200-300hr range and full rebuilds in the 500-600hr range.
Where have you been???? |
Originally Posted by timucin
(Post 3407748)
hi all,long time no post
how many hours app. 500 efi engine can be used before rebuilt? -pleasure boat |
My buddy just had Brad Smith rebuild his 2003 500EFI's. They had just under 300 hours on them. Brad said both motors were losing head gaskets so his timing was perfect on the rebuilds.
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Originally Posted by bcschoe
(Post 3407762)
519 hours at 5000 RPM
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Originally Posted by Knot 4 Me
(Post 3408093)
My buddy just had Brad Smith rebuild his 2003 500EFI's. They had just under 300 hours on them. Brad said both motors were losing head gaskets so his timing was perfect on the rebuilds.
If top end was done (with head gaskets) around the 250-300 can the bottom end go for another 250? I know this is hard, depends 500 at 5000rpm's or 500 at 1500 rpms. What would be a good way to know if you are ready for a rebuild? Leak down, compression test,??? I am at this point, I have about 40 hours on complete top end, motors run great, (320 hours) but may take them out to do some other work and trying to decide if I should go through them or just set them aside and drop them back in. |
Originally Posted by Wildman_grafix
(Post 3408167)
How was the rest of the motors?
If top end was done (with head gaskets) around the 250-300 can the bottom end go for another 250? I know this is hard, depends 500 at 5000rpm's or 500 at 1500 rpms. What would be a good way to know if you are ready for a rebuild? Leak down, compression test,??? I am at this point, I have about 40 hours on complete top end, motors run great, (320 hours) but may take them out to do some other work and trying to decide if I should go through them or just set them aside and drop them back in. |
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