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1990 964 C4 CAB

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Old 02-21-2024, 09:20 PM
  #136  
penna964
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Pistons 4-5-6

Last edited by penna964; 02-21-2024 at 09:21 PM.
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Old 02-21-2024, 09:24 PM
  #137  
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Block rear

Side

Side

Block front
Old 02-21-2024, 09:27 PM
  #138  
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Block through bolts

12 point thin walled socket
Old 02-25-2024, 06:32 PM
  #139  
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Head one

Removing studs

This was close to the valve
Old 02-25-2024, 06:35 PM
  #140  
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This tool is a life saver

You can keep adjusting to avoid hitting surroundings

Exhaust studs
Old 02-25-2024, 06:37 PM
  #141  
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Top studs removed

Studs

Intake
Old 02-25-2024, 06:40 PM
  #142  
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Something is not right here

Looks like a broken spring

I can push the valve open with my thumb
Old 02-25-2024, 06:43 PM
  #143  
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To the parts washer

Ozzy juice is awesome
Old 02-25-2024, 06:44 PM
  #144  
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First wash

Will remove valves

Valves

Exhaust port

Intake
Old 02-25-2024, 06:46 PM
  #145  
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Valve removal tool

Cam action

Tiny magnet

Keepers
Old 02-25-2024, 06:51 PM
  #146  
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Valve was moving excessively in guide

Springs

6 shims

Stem

Carbon

Rubber stem sleeve
Old 02-25-2024, 06:54 PM
  #147  
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Broken spring

Excessive movement again

Rusty and pitted valve face

Valve assembly
Old 02-25-2024, 06:56 PM
  #148  
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Head sans valves

Time to head to the blaster
Old 02-25-2024, 06:59 PM
  #149  
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Blast off!

Top

Side

Intake

Exhaust
Old 02-25-2024, 07:02 PM
  #150  
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Another scrub down

Side

Intake

Side

Exhaust

Valve guide

Valve seats don’t look too bad… a little carbon left

Only 5 more to go… yippee!


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