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LO3 coolant leak

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Old Mar 29, 2009 | 08:34 AM
  #1  
Icarus 402001's Avatar
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From: SE PA.
Car: 92RS
Engine: 305
Transmission: 700R4
Axle/Gears: 2.73
LO3 coolant leak

Search showed no specific answers. I've been hunting down a coolant leak. I've had a constant, light coolant odor for a while now. Repeated pressure testing showed nothing obvious. Nothing showing wet. Yesterday, i noticed wetness at both front bolts on the intake manifold. This is a 123,000 mile LO3. I've been doing normal oil changes every 3,000-5,000 miles and found no milkshake, the radiator shows no oil when drained.
My car runs like a top( albeit a weak one). It's my DD. Since I don't find any metal in the oil, and I'm getting fairly good mileage( 22-24 mixed), I'm trying to decide if I should just re-gasket the top end or if I need to consider a crate engine.
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Old Mar 29, 2009 | 11:20 AM
  #2  
50bmgshooter's Avatar
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Re: LO3 coolant leak

check to see if the bolts have loosened. if not its time to change the intake gaskets
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Old Mar 29, 2009 | 07:47 PM
  #3  
Icarus 402001's Avatar
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Joined: Feb 2008
Posts: 133
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From: SE PA.
Car: 92RS
Engine: 305
Transmission: 700R4
Axle/Gears: 2.73
Re: LO3 coolant leak

Originally Posted by 50bmgshooter
check to see if the bolts have loosened. if not its time to change the intake gaskets
That would be nice. I'm not really looking forward to a swap any time soon.
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Old Mar 29, 2009 | 08:03 PM
  #4  
89RS_82Z's Avatar
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: LO3 coolant leak

water neck can leak slightly some to with no trace

tahe it off and stright edge it make sure its true and flat
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