TwinTurbo.NET: Nissan 300ZX forum - You may be overthinking it...
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Subject You may be overthinking it...
     
Posted by -Grimm- on February 05, 2016 at 12:25 PM
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In Reply To First start after rebuild guide? posted by schwar74 on February 05, 2016 at 08:44 AM
     
Message Did you replace the cams or lifters?

I see you serviced your lifters, did you label them (and the cams) so they went back in the same position?

As far as oil pressure goes, just do the vacuum trick and crank ~10s a few times and you should be set.

If honing/rings is the major part of your rebuild (no cam or lifter replacement) you dont need to worry about idling to check things out, the rings will take a few hundred miles of breaking in.

Your break in additive isnt necessary, it is most likely a high ZDDP additive for breaking in new cams/lifters.

If you want to verify that your timing is in the ballpark, set your crank to ~15BTDC on cylinder 1, put a spark plug in your #1 coil pack and ground it to the manifold (via wire/alligator clips), loosen your CAS and slowly rock it back and forth around its original position. You should be able to get it to fire the spark plug when it rotates past that point. (Key in, powered obviously, you may need to remove the CAS and rotate in full revolutions so it can pick up all the timing marks)

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1992 300ZX NA 5 Sp (Dead)
1990 300ZX NA Auto 2+2 (Dead)
1990 300ZX TT 5 Sp (Stock Turbos) (Est. 400 HP)
1990 300ZX TT 5 Sp (GT600R) (Est. 600 HP)
2004 G35 Sport 6MT (DD)
2008 Honda Civic (DD)
1969 Chevy C10 (Toy)
1969 Chevelle (Toy)

     
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