slickrok
04-08-2006, 05:51 PM
Tach is not marked, just wondering what the redline is on that old 3.9 in the 1994 Defender 90.
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: What is the redline on a 94, 3.9 in a D-90? slickrok 04-08-2006, 05:51 PM Tach is not marked, just wondering what the redline is on that old 3.9 in the 1994 Defender 90. ProsQtor 04-08-2006, 06:57 PM Depends on the miles -- effective redline could be anywhere from 2,500rpm to 6,000rpm. :flipoff2: PTSchram 04-08-2006, 08:28 PM Don't worry about the redline. The rev limiter will kick in long before it's a problem. ProsQtor 04-08-2006, 08:57 PM Don't worry about the redline. The rev limiter will kick in long before it's a problem. Or Throttle Position Sensor, or IAC, or valve gasket will blow, or oil pump, or something, right? :flipoff2: | |