Project 90: Oil Temperature Gauge Upgrade
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Porsche 911 (1978-89)
Numbered Oil Temperature Gauge & Sender
The early 911s in this series shipped with a temperature gauge that had distinct numbered readings on it. For some reason, this was dropped with the later cars. 'Downgrade' to the earlier style gauge and gain the ability to read your engine temperature accurately. Adding this gauge half to your combo gauge is a simple process, but also requires you to replace your temp sender with the earlier style one.