03 lm7 radiator cap psi
03-16-2016, 08:53 PM
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03 lm7 radiator cap psi
Hey all,
I have a 2003 lm7 5.3. I decided to ditch the expansion tank and go with a moroso filler neck. What psi radiator cap are you guys using? I just tried to run a 16 psi one and I overheated within 2 miles of driving.
I have a 2003 lm7 5.3. I decided to ditch the expansion tank and go with a moroso filler neck. What psi radiator cap are you guys using? I just tried to run a 16 psi one and I overheated within 2 miles of driving.
03-17-2016, 03:09 AM
#2
I have the exact same engine in my Scout, donor vehicle was a 2003 Tahoe.
Temperature stays rock steady (so far) at 190 F. My cap is a 16 PSI.
Running this radiator:
RnD Fabrication 1965-1971 International Scout 800 & 800a Downflow Radiators
Hope this helps, good luck.
Temperature stays rock steady (so far) at 190 F. My cap is a 16 PSI.
Running this radiator:
RnD Fabrication 1965-1971 International Scout 800 & 800a Downflow Radiators
Hope this helps, good luck.
Last edited by scout2000; 06-27-2017 at 05:02 PM. Reason: typo
03-17-2016, 04:08 PM
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Thanks!
I think we finally came down to the issue of their being air still in the system. I think all of the coolant sprayed out of the overflow trying to get it back to the shop, so tonight we are going to try to properly throw coolant in their with a coolant funnel. Hopefully we see better results tonight.
I think we finally came down to the issue of their being air still in the system. I think all of the coolant sprayed out of the overflow trying to get it back to the shop, so tonight we are going to try to properly throw coolant in their with a coolant funnel. Hopefully we see better results tonight.
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