Thread: Rear Main Seal
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Old 12-29-2008, 07:30 PM
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Quote:
Originally Posted by poboy427 View Post
Anyone have any personal experience with the florescent die that can be added to oil to help detect the origin of the leak problem better.
I have used it many times. It is "the FE's friend." I've had small oil leaks that were traveling, almost imperceptibly, down the block and then tracking back and dropping from what appeared to be the rear seal, the transmission, and even a spot on the frame! Using the UV dye let me find the origin (intake/head spot) and fix it.

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