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Old 03-22-2005, 06:38   #1 (permalink)
351 XE on LPG
 
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LPG gases in cooling system ?

Has anybody ever experienced LPG gases leaking into the cooling system from the converter and creating heaps of bubbles?
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Old 03-22-2005, 14:29   #2 (permalink)
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Re: LPG gases in cooling system ?

Leaking from the convertor into the coiling system? It is possible but are you sure it's not a blown head gasket?
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Old 03-22-2005, 17:24   #3 (permalink)
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Re: LPG gases in cooling system ?

The block and heads have all been reconditioned and machined and I followed the normal instructions for torquing down the new Felfro head gaskets, so I hope it's not the gaskets.

By the way, I'm referring to an overheating problem in my son's 302W XY wagon, which I've outlined in the Windsor forum. I just thought I'd run the scenario by you guys.
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Old 03-22-2005, 17:38   #4 (permalink)
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Re: LPG gases in cooling system ?

Yep,

May be a cracked converter housing, easy enough to diagnose. Reroute coolant hoses to stop flow to converter, block one side and put another hose on other side filled with water, run and watch for your bubbles.

If you want some fun and don't value your health you could hold a match above radiator filler??
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Old 03-22-2005, 19:38   #5 (permalink)
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Re: LPG gases in cooling system ?

prob just water corrosion inside the converter is common
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Old 03-22-2005, 23:09   #6 (permalink)
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Re: LPG gases in cooling system ?

I'd try what blackxbhardtop has said.
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Old 03-23-2005, 21:32   #7 (permalink)
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Re: LPG gases in cooling system ?

Thanks guys, I'll try bypassing the water hoses to the converter, but how long can I run it before it starts icing up?
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Old 03-28-2005, 03:56   #8 (permalink)
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Re: LPG gases in cooling system ?

not long they ice up real quick there isnt much maet in the converters so corrsion may be the culprit the other thing is that gas has a oder that smells like bad eggs so if you remove the cap u should smell it
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Old 03-11-2006, 02:33   #9 (permalink)
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Re: LPG gases in cooling system ?

Hi I seem to have the same problem.
I have also had my heads done and replaced them, but still have the same problem.
Are the bubbles small and seem to be foaming. It's not oil I have checked that.
When you say re rout the water lines do you mean by pass the converter all together?

Thank you nev1956
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Old 03-11-2006, 06:11   #10 (permalink)
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Re: LPG gases in cooling system ?

Quote:
Originally Posted by nev1956
Hi I seem to have the same problem.
I have also had my heads done and replaced them, but still have the same problem.
Are the bubbles small and seem to be foaming. It's not oil I have checked that.
When you say re rout the water lines do you mean by pass the converter all together?

Thank you nev1956
Yeah just bypass the convertor,put a joiner in there for the time your testing it.

You will normally geta slight lpg smell as well when you release the cap
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