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Bad radiator cap
#11

(03-28-2020, 04:40 PM)TurboRay Wrote:  
(03-28-2020, 12:22 PM)Hemi Wrote:  If temp didn't get into the 200's, I guess pressure couldn't have been that high.  

My WAG (guess) is that temp had nothing to do with the pressure buildup in Joe's situation, Geoff. I suspect the blown h/gask was the major culprit.....bad enough to allow lots of combustion pressure into the cooling system. In which case (and without sufficient relief past the radiator cap), it apparently led to extremely high cooling system pressure almost immediately.  [Image: confused0024.gif]
That makes perfect sense.  My lack of experience relative to you is showing. Blush
Geoff - 85 XR DD back in service - with a vengeance!
"Beyond the Palace, Hemi powered drones scream down the boulevard" - Bruce Springsteen
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#12

(03-28-2020, 10:59 PM)Hemi Wrote:  My lack of experience relative to you is showing. Blush

LOL.....you silly man ~ I'm pretty sure you've forgotten  more than I've ever known!  [Image: anim_32.gif]
Placerville, California
(former)  2.3T '78 Courier ~ (current)  2.3T '87 Ranger & '82 Mazda B2200 (smog-exempt diseasel truck)
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#13

(03-30-2020, 05:01 PM)TurboRay Wrote:  
(03-28-2020, 10:59 PM)Hemi Wrote:  My lack of experience relative to you is showing. Blush

LOL.....you silly man ~ I'm pretty sure you've forgotten  more than I've ever known!  [Image: anim_32.gif]
Aw shucks Ray, yeah, I'm a trained mechanical engineer with long experience in system and performance development and lately, turbocharger matching of large (non-passcar) engines, but my hands on experience with the ones we drive around and modify is tiny compared to yours, and I don't want to make any pretensions otherwise. [Image: anim_32.gif]
Geoff - 85 XR DD back in service - with a vengeance!
"Beyond the Palace, Hemi powered drones scream down the boulevard" - Bruce Springsteen
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