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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,567
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The early pressure senders used a small base fitted above the oil pump and in 74 still using the small base pressure sender was moved to the fan area. 75, I think, went to the larger base 0/10 atm. Including the turbo and the 3.0.
The chrome temp sender started in 77 through the Carrera. You need to match the temp sender to the chassis year. Long ago, companies offered a package with matching sender and dash instrument.. 5 bar started for 78 model year, chrome sender was 77.
Bruce
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