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1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

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Old 09-03-03, 05:05 PM
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got a couple of questions. im looking at buyin a 1st gen.

what gas mileage do you guys get?

will a streetport cause you to fail emissions?
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Old 09-03-03, 05:11 PM
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Im gettin Bout 25+ since I cleaned the actuators, shaved the sleeves, removed the emmissions and cats but before, stock, I got 20+.
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Old 09-03-03, 05:17 PM
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k would a street port cause me to get worse gas mileage?
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Old 09-03-03, 05:33 PM
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most likely... more air= more fuel to compensate. More power, though!!!
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Old 09-03-03, 05:46 PM
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and will it cause me to fail emissions
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Old 09-03-03, 05:55 PM
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if its properly tuned you should be able to pass emissions with a streetport. but if for some reason you can't, there are ways to force it to pass
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Old 09-03-03, 09:38 PM
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haha well i think im gonna buy it. its a 79SA with a rebuilt streetport. it also coems with a 84gsl/se parts car. and i found a used turbo kit for it for 600 bucks. not bad. will keep you posted
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