Bottom end rebuild...
S130 love
Joined: Nov 2003
Posts: 842
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Somehow I just knew it was the timing to start out with. I am sure we could have spent another long while getting it right but frustration and a loss of hope comes into play. Also for the fact of not really knowing. As soon as we did the compression test, I knew something wasn't right to begin with. To the best of luck.. If you need any help, let me know. 
Unregistered User
Joined: Jul 2004
Posts: 138
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My $.02... Since you mentioned timing... During this build, I figured out that the oil pump shaft has a tiny pit/hole right above the gear that when lined up with another hole on the oil pump and valves 1 and 2 closed, timing is right on. It's retard proof, GO NISSAN!! I finally got my engine back in the Z last night, tinkered with it this morning and got it running flawlessly in about 5 minutes. Good luck with yours. Long live L28.
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compact cars only
compact cars only
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I have a whole tube of turbo oil feed line gaskets. You can purchase them at any auto parts store under the brand name of "permatex ultra copper". I also wouldn't be concerned with low compression in a motor that was just rebuilt. Give it a bit for the rings to seat. My motor smoke for the first 1000 miles or so, but its fine now, except for the bad lifter 
S130 love
Joined: Nov 2003
Posts: 842
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Compression will certainly be low due to the rings not seating yet. The car will smoke for a while especially if anything was painted and needs to bake in. I would give the car a chance since it is running. If there are further problems with compression after a good bit of miles as well as it continuing to smoke, then it would be the time to conclude that the machine shop did a poor job.
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Yeah, I spoke with them today about all the problems. Im waiting until I get the car running and i'll give it a week. They said if there was anything wrong with it they would warranty their work. They also said there could be a valve issue because of the low compression in cyl 1. Even after adding oil it wasn't all that high.
Spent more money than you
Joined: Oct 2003
Posts: 7,708
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good luck Jeff
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Racing Integration
LHT Performance
My tuner is named Alpha
Roque Fab = The best Fabricator in the WHOLE WORLD
Racing Integration
LHT Performance
My tuner is named Alpha
Roque Fab = The best Fabricator in the WHOLE WORLD
The best engine in the world is the vagina, it takes any size piston, its self lubricating, starts with 1 finger, and every 4 weeks does its own oil change. It's just a pity the management system is so fucking temperamental.
Launch It Like It's Unbreakable!!!
