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Schulisco Schulisco is online now
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Join Date: Mar 2019
Location: Saarland, Germany
Posts: 1,231
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Quote:
Originally Posted by targa80 View Post
My original fuel pump in my 80SC had the internal check valve. When the internal valve failed many years ago I just added an external one.
Afaik do the Pierburg pumps contain an internal check valve. Boschs depends on the type of the pump and car's model year, but as the Bosch 0580 464 126 is a replacement for all SCs they go with the external check valves now. Makes also sense if only the check valve goes bad to replace it.

Thomas
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1981 911 SC Coupé, platinum met. (former tin (zinc) metallic), Bilstein shocks, 915/61,930/16,WebCam20/21, Dansk 92.502SD,123ignition distributor with Permatune box as amplifier,Seine Systems Gate Shift Kit,Momo Prototipo. Want to get in touch with former owners of the car. Last registration in US was in 2013 in Lincolnshire/lL.
Old 09-06-2022, 07:13 AM
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