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#1
10-13-2022, 02:05 PM
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Since my last post I've been rinsing out the inside of the block. Rinsing is becoming cleaner each time. I've rinsed out the heater core & the radiator. Took the top & bottom hoses off & cleaned them. The spring in the lower hose was rusty but still usable. I took out the thermostat, blocked the heater hose connections on the engine & blocked the water pump where the bottom radiator hose goes. Tuesday about noon I filled the block with Evaporust. It's been sitting since. The positive side is I don't see anything dripping. Later today I will drain it off, strain it & possible return it to the block. I'll see what it looks like after draining.....Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO 1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E 1970 'cuda Moulin Rouge, 440-6, 4 speed 
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| The Following User Says Thank You to X66 714 For This Useful Post: | ||
dykstra (10-19-2022) | ||
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#2
10-22-2022, 05:11 PM
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Drained & strained the evaporust & started rinsing the block....again. Decided to connect the radiator & heater core. Leaving the thermostat out & refilling the entire system with evaporust. Installed the starter & now running the engine until it reaches 160 degrees. The people at Evaporust says heat & fluid movement will help desolve the rust. I will continue doing this through the weekend & drain all the evaporust. I will then start flushing the system with clean conditioned water from the house. This is really bugging me. The car sat for 15 years. Maybe I should've just tore down the block for a complete cleaning.
On positive note, I fixed the tranmission leak....Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO 1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E 1970 'cuda Moulin Rouge, 440-6, 4 speed Last edited by X66 714; 10-23-2022 at 01:38 AM.
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| The Following 3 Users Say Thank You to X66 714 For This Useful Post: | ||
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#3
11-09-2022, 11:05 PM
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Latest update. Did all the rinsing & drainng of everything. Evaporust foams up when run in the engine. Took alot of flushing. Mixed 50/50 deizonied water with green coolant. Ran it & tested the new mix at 100 degrees. -43, 1,200 plus on the nitrite, 7.5 on the ph. Took it for a 20 mile drive today. Did a retest at 160 degrees & got the same results. I bought coolant test strips & I'm going to test it every time I come back from a drive till I think the problem is gone. I did fix a trans leak as I indicated before. Also fixed an engine oil leak which was alot less fun. I had to pull the trans & reseal oil galley plugs....Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO 1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E 1970 'cuda Moulin Rouge, 440-6, 4 speed
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| The Following User Says Thank You to X66 714 For This Useful Post: | ||
RPOLS3 (11-09-2022) | ||
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#4
11-10-2022, 12:13 AM
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