280ZX (S130) Forums Dedicated to 79-83 ZCars

HEAD IS BACK ON WOO HOO and I screwed up!

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Old Jan 10, 2013 | 08:39 PM
  #1  
Lesnocker's Avatar
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From: Monongahela Pennslyvainia
HEAD IS BACK ON WOO HOO and I screwed up!

Got the head back on to-nite! Didn't drop the tensioner !!! How ever sadly I f-ed up. 1st My "how to rebuild your 2.8" Guide book failed me Tourqe pattern was listed as "Head removal" and install is "opposite of diagram"

Well I tightened the head down outward going to center. Which another diagram
showed tightening from center out.

The second frigging retarded thing I did was rush "worrying over cam gear"
Where I tighten all bolts to 20 ft lbs then I hopped directly to 62ft lbs HA HA NO SNAPPED BOLTS.

I really hope this is not a big deal! Now to decide if I need a new gasket and head bolts or to say the hell with it and finish n see If I leak
Old Jan 10, 2013 | 08:45 PM
  #2  
NismoPick's Avatar
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From: Wild Wild West, UTAH!
Originally Posted by Lesnocker
Well I tightened the head down outward going to center. Which another diagram
showed tightening from center out.
Just loosen them in the proper sequence and tighten them down CORRECTLY this time... It won't hurt anything to just loosen and re-tighten. But you certainly do want to fix it to spread the pressure correctly.

Originally Posted by Lesnocker
The second frigging retarded thing I did was rush "worrying over cam gear"
Where I tighten all bolts to 20 ft lbs then I hopped directly to 62ft lbs HA HA NO SNAPPED BOLTS.

I really hope this is not a big deal! Now to decide if I need a new gasket and head bolts or to say the hell with it and finish n see If I leak
So you did, or did not snap bolts?
Old Jan 10, 2013 | 08:58 PM
  #3  
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Oh no nothing Broke saw a lot of posts saying they snapped the head bolts. I re-tapped the 10mm holes and thoroughly cleaned them before installing the old head bolts that I also chased and scrubbed. Good note to add!

So I just back them off to "broke free" and step them 20-40-61. This wont crimp the gasket thought a head gasket was a one time deal. Its a felpro....

Can I leave the cam sprocket on "hate that damn thing"

And lastly is the head bolts good for a 3rd torquing?

Thanks alot man!
Old Jan 10, 2013 | 09:07 PM
  #4  
NismoPick's Avatar
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From: Wild Wild West, UTAH!
Are you using oil or thread lube on the head bolts?

Just loosen them to the point where you can turn them with your fingers, then re-tighten. Don't freaking touch or move the head or cam sprocket... just loosen, and re-torque.
Old Jan 12, 2013 | 05:16 PM
  #5  
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From: Monongahela Pennslyvainia
!!!!RUNS!!!!! Kicked right on over Loud but I forgot to screw the egr pipe to the manifold. Tomarrow is hooking up thermostat housing and all coolant lines and rad. Then pray she sealed. I do think it did nicely sounds much stronger. But gotta wait till I fill the rad
Old Jan 12, 2013 | 05:34 PM
  #6  
FricFrac's Avatar
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From: Victoria, BC
The gasket should be fine...
Old Jan 12, 2013 | 06:58 PM
  #7  
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From: Monongahela Pennslyvainia
The only weird thing that happened : Next to the coil there is a lil diode That plugs into the black wire going to the distributor. Well the wire broke off going from it.

Didn't really think it mattered hooked into the wire from the harness by passing it.

It started smoking up my fuse link luckily. I pulled the neg battery cable in time.

I always thought That wire was a ground for the distributor? And that diode was I silencer for the radio. Keep the rev noises out of the speakers if that makes any sense .

Or is it some form of capacitor? Ill take pics if needed.
Old Jan 12, 2013 | 07:17 PM
  #8  
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From: Monongahela Pennslyvainia
Think its called a condenser. From what I can see using
the fsm
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