Dans55
Newbie
Posts: 41
Reg: 03-03-22
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01-25-24 05:46 PM - Post#2866300
I have the heads off my 350 and noticed some of the water passages, the cause of the blown head gasket were clogged. I opened them up with an awl but I can feel a lot of scale inside the hole. Is there some way I can flush them out. I tried putting compressed air in the holes but it did nothing.
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bobb
Super Senior Member
Posts: 6686
Loc: paradise
Reg: 09-05-03
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01-26-24 08:13 AM - Post#2866317
In response to Dans55
muriatic acid
| 70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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 ForeverYoung
"10th Year" Silver Supporting Member
Posts: 30
Age: 76
Loc: Orlando, FL
Reg: 05-01-08
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01-30-24 05:43 AM - Post#2866419
In response to bobb
To do it right, you would really need to lift the motor out, take it apart and have the block hot-tanked, assuming they even do that anymore.
The next option would be to put the heads back on, rig up some sort of radiator hose connection between the water pump outlet and thermostat inlet (remove the thermostat) and figure out a way to spin the pump to circulate a cleaner through the block.
Just my opinion, of course.
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Dans55
Newbie
Posts: 41
Reg: 03-03-22
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02-10-24 06:30 PM - Post#2866789
In response to ForeverYoung
Thanks. I can get the hot tank done in my area. However, before I do that, going to pull the oil pan off to see if it's 4 bolt. If not, not going to bother. Right now got to get a tow out of my small garage, get the car turned around facing the front.
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4dr 57
"11th Year" Silver Supporting Member
Posts: 4848
Loc: Texas Hill Country
Reg: 11-10-04
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04-26-24 07:37 PM - Post#2869219
In response to Dans55
What's up with that? Are you build a race car? If not, check the numbers on the block,find out what year the block is? I had a 283 bored out to 301 and regularly spun it to 7k rpm.
Hot tank the heads, block and intake, especially if it is the engine that came with the car imho.
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