Double vs. Bubble Flares
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From: Gainesville, FL
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Double vs. Bubble Flares
What's the difference between double flares and bubble flares? If someone could draw a picture in Paint or something that would be great.
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Car: 1989 Firebird Formula
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The double flare uses the standard SAE thread fittings; while the bubble flares use metric fittings, and are used on most, if not all, new vehicles today. GM started converting over to the metric ones in the mid 80's.
The bubble flare seals on the outside of the 'bubble', where the inverted nut squeezes it into the fitting.
Pete
The bubble flare seals on the outside of the 'bubble', where the inverted nut squeezes it into the fitting.
Pete
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