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R-MODEL · 03-31-2001, 12:13 PM

I have a friend with a 85 Thunderbird Turbo Coupe with an automatic. When the engine is at idle, if you unscrew the oil cap, the revs drop, but when you screw it back in, they go up again. Why is that???

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1994 Mustang GT with 110K miles, ported cobra intake, ported edlebrock heads, 1 3/4" long tube, b303 cam, 2 chamber flowmasters, cobra-r wheels, cobra front brake kit, saleen wing, recaro seats, radar detector, etc.

03-31-2001, 12:13 PM	#1
R-MODEL Registered Member Join Date: Mar 2000 Location: Toronto, Ontario, Canada Posts: 54	2.3 Turbo Problem I have a friend with a 85 Thunderbird Turbo Coupe with an automatic. When the engine is at idle, if you unscrew the oil cap, the revs drop, but when you screw it back in, they go up again. Why is that??? ------------------ 1994 Mustang GT with 110K miles, ported cobra intake, ported edlebrock heads, 1 3/4" long tube, b303 cam, 2 chamber flowmasters, cobra-r wheels, cobra front brake kit, saleen wing, recaro seats, radar detector, etc.