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Old 9th March 2006, 10:08   #1
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Default M800 mileage query

Hey ppl, V bought a M800 2005 November. Till date done 5900 kms, Well on dec 23 v travelled to Vijaywada where the car first service was done already. The car gave 16-18 per litre, doin a avg of 80 to 95. Then again on March 4 v went to Vijaywada again, n the car gave 18-20 per litre, n the second service was done on Feb, Avg speed bout 85 to 95. So guys i wanna know whether in the next service will i get more mileage? n whts the max mileage of the m800 n speed? my old m800 used to give only 18 per litre, n did top speed of 120. n also i have few query of my music system, will upload pics n expalin the problem.
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Old 9th March 2006, 10:18   #2
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his nosfreak!

i have a m800 (mar, 2000) which i regularly take out for long journerys. within city i get a mileage of 15.5 to 16.5 while on the highway i dont get nything less than 20 (this car doesn't have a/c). once on a trip 2 agra i got a milage of roughly 24, i dont know how. i usually drive it between 80-90 kph with no sudden dashed.

also as u said 16-18, on a highway trip u are always sure of how much average ur car gives between refulling a tank, so pay little extra attention 2 this and u will know the exact average. cause between 16 and 18 there is a huge gap if u were 2 travel 300 kms. its almost 112% difference. no offence meant bro.

i m sure the mpfi engine will regularly give u 20+ average for highway travel. enjoy the best car ever built.
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Old 9th March 2006, 12:28   #3
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nosfreak, engines' fuel efficiency don't increase 10% after every service.

In ur case, the engine and other parts were slowly running-in. So, there was an increase.20kpl is pretty good and it might stay there.
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Old 9th March 2006, 19:32   #4
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hey thx guys, yeah i know i wont get more mileage increase in every service done. from Hyd to Vijay is bout 280 to 290 kmph, actually mr bros m800 gives 21-22 in highway, hes done 3rd service, he said actually after 3rd service the car sets its itself, u know wht i mean. anywayz i dont have a/c in my car, so in city i can expect 16-18 n highways bout 20+?
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Old 9th March 2006, 19:55   #5
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Quote:
Originally Posted by nosfreak
hey thx guys, yeah i know i wont get more mileage increase in every service done. from Hyd to Vijay is bout 280 to 290 kmph, actually mr bros m800 gives 21-22 in highway, hes done 3rd service, he said actually after 3rd service the car sets its itself, u know wht i mean. anywayz i dont have a/c in my car, so in city i can expect 16-18 n highways bout 20+?

kmph? its kmpl right?

and shibup's M800 5speed gives him 17kmpl even with the freeflow. Impressive.

and nosfreak; see taht your post is more legible and try to avoid chat type post.
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Old 9th March 2006, 19:57   #6
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Quote:
Originally Posted by nosfreak
anywayz i dont have a/c in my car, so in city i can expect 16-18 n highways bout 20+?
Easily. My M800 (non-a/c, 1985 model) used to give 22 and more on highways. Never really checked the FE in Chennai, but would assume that it must be between 16-18.
Don't worry mate. I don't think there is any other petrol car that can beat the M800 in FE in India. ie. unless the Suzuki Twin or some small car comes into the fray.
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Old 9th March 2006, 21:44   #7
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Quote:
Originally Posted by jkdas
17kmpl even with the freeflow. Impressive.
Erm, theoretically, a good free-flow exhaust will decrease back-pressure on the engine. This in turn increases overall efficiency, leading to slightly better mileage. Iceman's 12-13 kmpl Baleno (in town, with AC) is testament to that.
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Old 9th March 2006, 22:25   #8
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Quote:
Originally Posted by v1p3r
Erm, theoretically, a good free-flow exhaust will decrease back-pressure on the engine. This in turn increases overall efficiency, leading to slightly better mileage. Iceman's 12-13 kmpl Baleno (in town, with AC) is testament to that.
stop tempting me ! free flow is no good :((
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Old 9th March 2006, 22:39   #9
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It might help to increase the FE, but people rev hard till the redline for the sound so naturally, FE drops
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Old 9th March 2006, 23:09   #10
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The reason FE goes down is that free-flows sound at mid & high revs.
We all want to hear that exhaust roar as often as possible and shift somewhere below the redline.
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Old 9th March 2006, 23:30   #11
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Quote:
Originally Posted by v1p3r
Erm, theoretically, a good free-flow exhaust will decrease back-pressure on the engine. This in turn increases overall efficiency, leading to slightly better mileage. Iceman's 12-13 kmpl Baleno (in town, with AC) is testament to that.
yeah and a certain Ikon 1.6 Sxi with free flow giving 12 kmpl as daily driver is another testament too.
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Old 9th March 2006, 23:31   #12
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viper and karthik are right free flow is supposed to increase fuel effeciency as it takes presure off th engine so in short a free flow is good!as per the mileage of the 800 i get nothing less than 18 in my 96model!
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Old 10th March 2006, 08:37   #13
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kmph? its kmpl right?

My Mistake , Kms. I dont rev the car so hard, hey also which r the best way to yeild better results on highways , like shifting the gear at wht speed? Also stock M800 v get radial tyres, so i put around 27 in front n back too. Is that Correct ? how much psi do i have to put?

Also i know this sounds a little awakrd but can abtter suspension be fitted in M800, caz my car was a lil low @back caz of the speakers, I have a Blapunkt Bass tube, Two Velocity 6 inch woofers (kinda old) boxes were made, n plus Two Pioneer Speakers fitted to the dig key, SO this kinda put weight on the car, where whenever theres a big speedbreaker ahead, the rear bumpere always touches, But for now v have removed da Velocity woofers, n the cae seems to be better nown the rear bumper doesnt touch a lot. But im kinda a sound freak so i really miss that rear woffers in the back, caz whenever i sit at the back i get to clean my own ears with my fingers while sitting @ the back in 2 min . also got to 2 mid range speakers of velocity in front, crossovers, Pioneer amp(will check n tell u da watts of it), n Also got the Latest Pioneer Stero (will check that too).

So any chance of chaging the rear suspension for a better one n how much will it cost?
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