Re: Advice Request on oil pressure gauge

[Herb <zephyr9900@xxxxxxxxxxx>]

Bet you did not insert the included little short brass tubes inside the plastic tubing before tightening the fittings.  The plastic tube cant support the compression & pressure alone.  So, anyone omitting the little tubes has a time bomb ticking, yours just did not tick very long!  Personally I would ONLY use copper tubing on a mechanical gauge.  The other issue with plastic is during the winter it is very brittle and very prone to breakage.

 

 

 

 

              Herb

 

1954 DeSoto Firedome Estate Wagon 276 HEMI

1956 Plymouth Belvedere 361 4-Sale

1959 Dodge Coronet 326 Poly

1961 Plymouth Sport Suburban Wagon 318 Poly

1961 Plymouth Valiant V200 Wagon  170

1961 Dodge Dart Pioneer Wagon 318 Poly

1963 Plymouth Fury 2D/HT 7.0L Gen III HEMI

1963 Plymouth Sport Fury Convertible 361

1970 Chrysler 300 Hurst 440

1979 Dodge Aspen Sport Wagon 360

1999 Durango SLT 5.9L

2008 SRT-8 Magnum 6.1L

St. Louis, MO.

 

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-------Original Message-------

 

On Jun 9, 2014, at 5:16 PM, carverex@xxxxxxx wrote:

Hi Guys

I need some input. I installed a Stewart Warner mechanical oil pressure gauge a couple of weeks ago. I used Polyethylene tubing and compression fittings from Lowes. Specifically, I used the compression fittings with the brass collars. Delrin collars were also available. Last Saturday, while leaving to go to a cruise, the car spit the tubing out of the compression fitting and promptly pumped 3 quarts of oil everywhere! I don't want to experience this again! I'm trying to determine what I did wrong, (which may include just having the fitting too loose!) So, if anyone has information / experience regarding the use of copper V/S plastic collars on these fittings please let me know. Thanks in advance for all input, it is highly valued.

Lyle

63 Plymouth Sport Fury 383 4bbl. 

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