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91 Grand Prix GT

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Old Nov 2, 2011 | 08:15 AM
  #81  
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I plan on taking on it trip next weekend. So if I got 30+ MPGs that would be great.

With the ported heads and plenum this car pulls harder than it did, but it still could use more power.
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Old Nov 2, 2011 | 08:23 AM
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Originally Posted by jwfirebird
nice. i always thought those were the best looking gp'* of any year. like it would bite your arm if you got too close. to bad the engine didnt back it up, but i always got 30+ mpg with mine even when it had 300k on it.
That'* why you swap in the L67....lol
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Old Nov 2, 2011 | 08:57 AM
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for me it was a dd, and it did that well, very few break downs and good mileage.
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Old Nov 2, 2011 | 04:40 PM
  #84  
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Detailed it up today. Looks really good.
Attached Thumbnails 91 Grand Prix GT-c66d0a2c.jpg   91 Grand Prix GT-fbc0d4ff.jpg   91 Grand Prix GT-8d81eeec.jpg  
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Old Nov 2, 2011 | 05:17 PM
  #85  
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It sounds better now. It doesn't sound like it has a cam in it.
Before
After
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Old Nov 3, 2011 | 12:46 AM
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glad to see her back on the road
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Old Nov 3, 2011 | 08:33 AM
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Originally Posted by jwfirebird
for me it was a dd, and it did that well, very few break downs and good mileage.
Yeah, and the 3.1 does a good job on both those issues...mine in my gp is getting a little tired though at 180k....mpg'* are slowly not doing so good...not sure what'* wrong with it....probably be looking for either a rebuild (since mine is the interceptor 3.1) or l67 swap..

94 olds vert: that car is by far the best looking gp gt coupe I have seen in a long time even including the '97-03 models too. Keep up the awesome work!
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Old Nov 4, 2011 | 07:47 AM
  #88  
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its probably something else going, theres lots of things that rob mileage. fuel filter, air, plugs/wires, o2 going, cat, etc..
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Old Nov 4, 2011 | 04:01 PM
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Originally Posted by silversurfer
94 olds vert: that car is by far the best looking gp gt coupe I have seen in a long time even including the '97-03 models too. Keep up the awesome work!
Thanks man!

My new fog lights. These things are really bright.

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Attached Thumbnails 91 Grand Prix GT-a9b25385.jpg   91 Grand Prix GT-f081035e.jpg   91 Grand Prix GT-3770efb6.jpg   91 Grand Prix GT-eca83736.jpg  
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Old Nov 8, 2011 | 10:55 PM
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i had the yellow version of your fog lights..except i put in 100watt bulbs in them..man those things were bright i didnt even need my head lights
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