Date: Sat, 13 Sep 2008 08:45:02 -0400
Reply-To: Kim Brennan <kimbrennan@MAC.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Kim Brennan <kimbrennan@MAC.COM>
Subject: Re: misc (mpg, transmission, driving habits.)
In-Reply-To: <ac1f198b0809130059p2d00de49id92cd6c805b3dfef@mail.gmail.com>
Content-type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
No EGR, but yes, I've chipped both of my SVX engines in my Vanagons.
On Sep 13, 2008, at 3:59 AM, Jim Akiba wrote:
> I was wondering if you'd chipped them or some such. Calling it 230 is
> already like the old SAE gross pre-72 I can't let you get away with
> 240 if you haven't earned it :) So do they have EGRs or no?
>
> Jim Akiba
>
> On Fri, Sep 12, 2008 at 7:57 PM, Kim Brennan <kimbrennan@mac.com>
> wrote:
>> Eh? Isn't that the right horsepower on the SVX? Oh, 230 hp. mea
>> culpa.
>>
>>
>> On Sep 12, 2008, at 6:24 PM, Jim Akiba wrote:
>>
>>> Kim do you have an active EGR system on the SVXs in your vans? Where
>>> does the 240HP for the SVXs come from, measured or guess?
>>>
>>> Jim Akiba
>>>
>>>
>>>
>>> On Fri, Sep 12, 2008 at 3:44 PM, Kim Brennan <kimbrennan@mac.com>
>>> wrote:
>>>>
>>>> My most recent vehicle purchase is not a Vanagon. But a Jaguar X-
>>>> Type
>>>> (small 4 wheel drive sedan). I got it as I wanted a winter vehicle
>>>> OTHER than my Vanagons, and I wanted something that got
>>>> (relatively)
>>>> good fuel economy.
>>>>
>>>> So it is interesting (to me) to compare engine/transmission and
>>>> fuel
>>>> economy between it and my "normal" Vanagons.
>>>>
>>>> Vehicle Jaguar X-type Vanagon Syncro Vanagon Syncro Camper
>>>> Engine 3.0 V6 3.3 H6 3.3 H6
>>>> weight 3428 lbs 3650 lbs 4000 lbs
>>>> HP 231 240 240
>>>> MPG 18-30mpg 16-17 mpg 15-17 mpg
>>>> L n/a 6.03 6.03
>>>> 1st 3.42 3.78 3.78
>>>> 2nd 2.14 2.06 2.06
>>>> 3rd 1.45 1.23 1.08
>>>> 4th 1.03 0.86 0.70
>>>> 5th 0.77 n/a n/a
>>>> Final Drive 3.80 5.43 5.43
>>>> Tire size 225/45R17 225/70R15 215/75R16
>>>>
>>>> MPG figure is real world experience GPS corrected for tire size
>>>> differences.
>>>>
>>>> Tire size on the vanagon doesn't seem to make any difference
>>>> towards
>>>> fuel economy (from using 205/65R15 tires or 215/75R16)
>>>>
>>>> On the Jag, the gearing is oriented towards sporty. If I don't
>>>> shift
>>>> extremely early the mpg figure drops dramatically. Early shifting
>>>> is
>>>> around 2800 rpm (at most). On the Vanagons, I find that if I
>>>> shift at
>>>> less than 4000 rpms, the engine tends to accelerate VERY slowly (On
>>>> the Westy, the big jump between 2nd and 3rd really means I wind
>>>> up 2nd
>>>> pretty decently.)
>>>>
>>>> In reviewing all the specs, it occurs to me that while the
>>>> aerodynamics make some difference as to the fuel economy,
>>>> especially
>>>> above 50 mph, it is possible that the final drive ratio is the big
>>>> difference.
>>>>
>>>> I'll have to do a lot more experimenting with driving habits in my
>>>> passenger syncro to see if I can't make a significant impact on my
>>>> fuel economy.
>>>>
>>
>>
| 
