LT1-LT4 Modifications 1993-97 Gen II Small Block V8
View Poll Results: Better Gas Mileage Cut out Open or Closed?
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Going on road trip tomorrow

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Old 05-18-2006, 08:12 PM
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Default Going on road trip tomorrow

I have a question about my GAS MILEAGE..
I have a cut out on my exaust..
Do I get better MPG with the cut out OPEN?
or Better MPG with the cutout CLOSED?
Old 05-18-2006, 08:30 PM
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i would imagine better closed.. unless you have a rediculous restrictive exhaust. i just got back from a 1800 mile road trip last week. and i got 27 mpg with bolt ons and M6. be safe and dont get a f'n speeding ticket like i did (damn s.carolina state troopers)
Old 05-18-2006, 08:34 PM
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Originally Posted by flyinglow57
i would imagine better closed.. unless you have a rediculous restrictive exhaust. i just got back from a 1800 mile road trip last week. and i got 27 mpg with bolt ons and M6. be safe and dont get a f'n speeding ticket like i did (damn s.carolina state troopers)
Stock WS6 Exaust
Old 05-18-2006, 08:46 PM
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My girl is moving to georgia and I (michigan) am going to be driving the 12 hour drive almost everyweekend. or everyother weekend. Good thing there is 6th gear!!!!
Old 05-19-2006, 12:28 AM
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my lt1 auto got 24 mpg at 85-95 across tx last summer with intake exhaust and stall...
nevr got that when it was bone stock
Old 05-19-2006, 12:29 AM
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it is annoying...i currently keep it closed all the time besides track and local g2g
Old 05-19-2006, 08:53 AM
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I would keep it closed because on the highway the drone could/would get anoying but the choice is up to you.



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