Thread: Fuel economy of 7.4L (454) powered 3/4 ton suburban
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Old 05-01-2015, 06:59 PM   #47 (permalink)
cosmick
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One of these days I'll be showing how a '96-'00 Vortec 7400 in an '86 Camaro can see 30 MPG without drafting, going slow, ****ting the engine off, etc.
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