fuel mileage

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baz
Posts: 34
Joined: 08 Jul 2007 10:49 am

fuel mileage

Post by baz » 19 Apr 2014 07:33 am

everywhere I look I see statements that the 360 is thirsty I never had complaints at 30 mpg from my tired one in fact thought it good from a car I never drive gently
totally gobsmacked that the B230FB I,ve now fitted is returning 38 per gallon and that was a run of 500 kilometres where it rarely went slower than 120 kp/h it could be better maybe if I drove sensibly :D
I now need decent tyres as maintaining traction is the downside to this engine swap
84 360 GLT mk2 daily driver
84 340 GLE 1.7 mk3 lookingfor new engine sudenly became a major oil burner at 144,000 miles

Nimminz
Posts: 1669
Joined: 11 Jun 2010 10:56 pm
Location: Durham City, NE England, UK
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Re: fuel mileage

Post by Nimminz » 22 Apr 2014 01:17 pm

I used to get arount 21mpg from my old 360 GLT now with the +t conversion i'm looking at around 35 if i'm sensible :)

Did you use the LH2.4 from the donor car?
'88 360 +T LSD - sold
'87 760 TDI (D24TIC) - sold
'04 V40 D sport (F9Q, decat, Remapped, launch control)
'89 740 SE (b230ft, 12psi, V-cam, headwork, 'remapped', banded steels)
'86 340 DL 1.4

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Joris
Posts: 147
Joined: 13 Nov 2013 02:43 pm
Location: The Netherlands, across the pond

Re: fuel mileage

Post by Joris » 23 Apr 2014 05:14 pm

With my 230fb on lh2.4 I average 30mpg(US) City and highway combined.
City driving gives 25mpg(US) and slow driving on the highway (50mph) gives me 35mpg(US).

38mpg is really good, no miscalculations? :D

Edit: I'm using the google thing to go from liters to gallons, those are US gallons I think?

I like this page http://www.unitjuggler.com/convert-fuel ... oline.html
Last edited by Joris on 01 Jun 2014 04:01 pm, edited 1 time in total.

Ride_on
Posts: 2262
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: fuel mileage

Post by Ride_on » 31 May 2014 11:16 am

My 940 gets up to 47mpg at around 30mph in 5th along the flat. This is closed loop and is a peak figure, but indicates what its capable of. The 360 has a much lower frontal area so should be better.
I can average 39mpg, but it needs very good conditions and strange driving. My 'normal' driving gets about 24mpg, but my sister can do 30mpg without trying in my car.
The lh2.4 is better than the open loop jet tronic but the lh2.4 closed loop is very fragile and goes open loop very easily, where Volvo have programmed a very rich map, and daft somtimes, like slowing down. There is fuel cut but it needs specific conditions, and is conservative.

I'm considering a faster response wideband system with megasquirt3 at the moment.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

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