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Hardtuned.net: std 33 rb25det. AUTO. wat fuel ecconomy do people average. - Hardtuned.net

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std 33 rb25det. AUTO. wat fuel ecconomy do people average. options to better increase fuel ecconomy.

#1 User is offline   ....Js.... Icon

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  • Car Type:Nissan Skyline
  • Car Model:R33 4 Door

Posted 08 February 2010 - 08:34 AM

Hey All,
Mainly directing this question to those who either have or have had a r33 rb25det AUTO.
Just trying to push some better fuel ecconomy out of it but unsure as to what most people can average as a starting point to aim towards. chasing mainly how many's k's averaged to a full tank.
Car is basically stock with only a front mount intercooler and exhuast. (for comparision)
Looking for possible options that work to better increase the fuel ecconomy.
cheers.

#2 User is offline   dale_s15 Icon

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Posted 08 February 2010 - 07:25 PM

Both my Mum and my Dad, each have a R33 GTS25t Auto. They both get about 300-350k's out of a tank of I think its 60L? And thats driving it like a grandma. Also thats just running on 91 octane, we've tried 98 octane and the car just chewed through it, got about 250-280ks out of a tank. and that was basically all highway. Mechanic checked everything over and said both skylines were fine, and he also said that nissan just tuned the skylines really rich from the factory so its expected and completely normal that they get crap fuel economy.

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Posted 08 February 2010 - 07:29 PM

oh and both cars are completely stock engine wise.

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Posted 08 February 2010 - 08:05 PM

yeah mine is about on par with that. except i am not driving as slow :whistle:
anyone have any thoughts on ways to better improve on economy?

#5 User is offline   nuutz Icon

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Posted 08 February 2010 - 08:05 PM

thats pretty bad economy.. a tune will get better economy

#6 User is offline   EVL S15 Icon

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Posted 08 February 2010 - 08:19 PM

Yeah as nuutz said a tune will make your fuel eco much better!

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Posted 09 February 2010 - 07:10 AM

can you tune & adjust on standard computer considering you would be inside the standard parameters or do you need after market gear to make any real difference.

#8 User is offline   nuutz Icon

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Posted 09 February 2010 - 12:15 PM

u need an aftermarket computer or a chipped standard ecu

#9 User is offline   Jatt Icon

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Posted 09 February 2010 - 12:45 PM

just get a remap of the standard ecu might cost a bit
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