1987 Thunderbird Turbo Coupe - TCCoA Forums
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post #1 of 3 (permalink) Old 09-25-2009, 06:35 PM Thread Starter
Join Date: Sep 2009
Location: central Florida
Posts: 4
1987 Thunderbird Turbo Coupe

Just bought a TC, engine seems to run good, turbo was replaced before I bought the car,...question, how accurate are the gauges in these cars, it show the temp being in the normal range but neat the top when just sitting and idleing and the oil pressure near the bottom of the normal range, the temp doesn't bother me as bad as the oil pressure, does any one know if this is normal or how to check the oil pressure and what it should be? Don't want to hurt my new 22 year old car!
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post #2 of 3 (permalink) Old 09-29-2009, 02:30 AM Thread Starter
Join Date: Sep 2009
Location: central Florida
Posts: 4
Followup: checked oil pressure, starts about 60 cold and drops to about 30 warm at idle, and above 2000 rpm it get back to about 40 and above 2000 there is what sounds like bearing knock, sound like it's coming from the bottom end, is this normal for these engines?
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post #3 of 3 (permalink) Old 10-17-2009, 01:05 PM
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Join Date: Oct 2006
Location: Sewell, NJ
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a rod knock is very bad!
oil pressure is surprisingly good tho, but build short block as about 20psi hot and 45 cold and only 30 2500rpm hot...
ford gauges are completely inaccurate, my two cars vary so much from each other, one turns the fans on at 3/4 the way up and the other is about 1/4 up......
i rely on autometer gauges for accurate readings, the ford one are a good guess, lol

Brian J Larkin
1988 Tbird TC 5spd. few bolt ons, 308k miles
1989 Cougar XR7 AOD 110k
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