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Chevrolet Impala Real World MPG

117 messages,  Last post on Apr 15, 2009 at 11:28 AM

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What is this discussion about? Chevrolet Impala, Fuel Efficiency (MPG), Sedan

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#113 of 117 Re: '01 IMP LS 3.8 255,000 miles 22-24mpg [txguy] by highmiler650 Apr 15, 2009 (7:14 am)
Replying to: txguy (Apr 14, 2009 10:59 am) Although many cars have spark plugs that may last up to 100k miles I believe in changing them every 3 years or 60k miles at most.   The reason is that although they might survive much longer periods working as intended, they are notoriously difficult to remove after many years.   Even when installed properly with a bit of anti seize compound they are a pain to remove without causing damage.   I always get new plugs at around $ 2 per plug (platinum) so the investment is really not much.   Lastly, your car is paid for and anything requiring fixing is going to be much cheaper than 3 to 5 years of monthly payments, especially in these tough times.
#114 of 117 Re: '01 IMP LS 3.8 255,000 miles 22-24mpg by gar_fanatic Apr 15, 2009 (7:57 am)
Wow, where are you finding platinum plugs for only $2.00 per plug?!?! The cheapest I can find Delco ones is $6.00 per plug. I won't put anything else in my 'Pala.   At 255k, have you had to replace your upper intake manifold yet? Replies to this message: txguy (Apr 15, 2009 8:13 am) highmiler650 (Apr 15, 2009 11:28 am) highmiler650 (Apr 15, 2009 11:27 am)
#115 of 117 Re: '01 IMP LS 3.8 255,000 miles 22-24mpg [gar_fanatic] by txguy Apr 15, 2009 (8:13 am)
Replying to: gar_fanatic (Apr 15, 2009 7:57 am) replaced intake manifold at 50K or so. I also use only plugs that the car is designed around, Delco. Replies to this message: highmiler650 (Apr 15, 2009 11:28 am)
#116 of 117 Re: '01 IMP LS 3.8 255,000 miles 22-24mpg [gar_fanatic] by highmiler650 Apr 15, 2009 (11:27 am)
Replying to: gar_fanatic (Apr 15, 2009 7:57 am) Schucks usually has them discounted to this price on one of their flyers (state of Washington, Bellingham area).
#117 of 117 Re: '01 IMP LS 3.8 255,000 miles 22-24mpg [txguy] by highmiler650 Apr 15, 2009 (11:28 am)
Replying to: txguy (Apr 15, 2009 8:13 am) The car will run fine on any brand as long as they are equivalent to the Delco you mention (Bosch, Champion or any other well known brand)

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