1983 Oldsmobile Cutlass Supreme Sedan LS Turbo Build

GroceryGetter83

LS Mafia
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Sep 18, 2018
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As I posted in my intro thread, I recently bought this 1983 Olds Cutlass Supreme 4 door. 75k miles, 231 c.i. V6 GM power plant, 3 speed automatic.

Current motor has rod knock and will be coming out soon.

Plan: 5.3L LS truck motor, keep AC (100% needed in FL), turbo + goodies
Goal: 500 whp sleeper to drive on weekends, drag race once in a while, eventually do the Power Tour or Drag Week.

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GroceryGetter83

LS Mafia
Supporting Member
Sep 18, 2018
676
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Tampa, Florida
2000 Full 5.3L LS pull out with 4L60e, 145k miles = MINE

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Got it home:


Will run the 4L60e until it breaks (TH400 HD ftw)
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Ready for some disassembly:
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GroceryGetter83

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Sep 18, 2018
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Taking the motor apart to inspect. So far, so good. Has some nasty iron sludge from straight water in the motor, but I can fix that.
 

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GroceryGetter83

LS Mafia
Supporting Member
Sep 18, 2018
676
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Tampa, Florida
Little more progress:

Pulling the engine a part, oil pick up looks fine but sludge in the oil pan.

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GroceryGetter83

LS Mafia
Supporting Member
Sep 18, 2018
676
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Tampa, Florida
Cleaned up nicely:
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Parts cleaner at work FTW:
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Pulled one bearing to inspect, looks good enough for 145k miles:
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Felpro rear main seal changed and rear cover gasket:
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Put the pan back on:
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Need to tap pan for oil return for turbo next.
 
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GroceryGetter83

LS Mafia
Supporting Member
Sep 18, 2018
676
2,406
93
Tampa, Florida
Cool! Glad to see guys fixing up more than coupes! (Not that there's anything wrong with that). :LOL:

Gotta have room for my daughter's car seat in the back :LOL:
 
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GroceryGetter83

LS Mafia
Supporting Member
Sep 18, 2018
676
2,406
93
Tampa, Florida
Valve covers all cleaned up:
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Painted gold:
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Removed broken exhaust bolt from the head:
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(y)
 
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