Posted: Fri Feb 20, 2009 1:51 am Post subject: Rdiator caps
I've got two rad caps, need help to decide wich type to use. Opening pressure 4psi on both. Pictures will be uploaded later with Ryan's help(hopefully).
Are there any manufacturer's markings on the caps?
As long as the pressure rating is correct and the cap matches the filler neck OD and the filler neck inner depth it will be ok to use it.
For the jeeps that should be 2 1/16" OD neck with a depth of 3/4" (this measurement insures the inner lower disc of the cap seals with adequate force against the ridge dow inside the filler neck. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
No manufacturer's name appear on either caps. The one on the right side (on paper bag) does not have a rubber seal and the release valve is inside the rigid center housing. Dimensions are about the same, both will fit the rad neck, but the one without the rubber seal is much tighter. I have two M38A1s here right now and both have radiator cap with the rubber seal. But this does not mean that the cap is right.
Zoli
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