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-   -   skirts on the Beast.... (

mcrews 04-22-2011 03:26 AM

skirts on the Beast....
Am getting ready for my semi-annual "DTD" (drive to Dallas) from Sacramento CA. It's about 1700 miles.
The Infiniti Q45 Sport w/ full IMPUL body kit is a joy to drive and with some help from Ecomodder, gets decent mpg. currently 230,000miles on it.
To recapthe following mods have been preformed w/ ecomodding/mpg in mind:
1. Impul Body Kit is 2 inches lower than factory. (reduced drag) Car is on stock suspension
2. 255/45/18 Kuhmos (not 245/45/18) on factory rims (decrease rpms at hgwy speed it increase mpg)
EDIT Now running 245/5018 (27.7 in diameter) tallest tire that fits
3. Nitro instead of air. 44 psi(no fluctuation when road gets hot or cold) increases mpg)
4. Front Grill blocked from back side with clear lexan 5. front underpan sealed to midengine.
6. rear underpan sealed from rear axle
7. Factory rear and rear-side window shades.
8. additonal rear and side tints over factory
8a. blackout tint on sunroof
8b. tinted window visors
9. factory MPG screen
10. Scangauge & Garmin Nuvi on dash.
11.Highly focused 'nut behind the wheel'
12. last edition: REAR SKIRTS - CLEAR, Polycorbonate Rear skirts
New larger rear shirts see page 513. Lowered front end 1.25 inches.
14. 2" rubber garage door trim on front lip

grille block:

I will post how I made them after I get to Dallas

My goal is 30 mpg on the one way to Dallas.
epa is 22 mpg hwy

kir_kenix 04-22-2011 07:43 AM

I like the clear skirts! They look really nice and professional. If I didn't live someplace where it snows, I would probably give them a try myself (cleaning out the slush on the backside sounds like a pain).

Let us know how it works out for you, I'd be interested to hear your FE improvements over such a long trip.

mcrews 04-22-2011 07:14 PM

just filledup in medera,california i-5 south mileemarker 150.
reset car mpg gauge and trip on scangauge
72 degrees
195 fwt
1700 rpm
55 mph by garmin gps
94 fia
32 load

32 avg mpg scangauge
30.1 avg mpg factory screen

139 miles filledup took 4.1gal

pretty flat 309 ft elevation
using cruise control, no p&g, no drafgting, some coastng when possible

Angmaar 04-22-2011 08:31 PM

Those wheel skirts look nice and stealthy. I didn't notice them at first.

deathtrain 04-22-2011 08:50 PM

Yea good job!!!!

Bill in Houston 04-22-2011 09:14 PM

wow, nice. thanks for posting!

t vago 04-22-2011 09:43 PM


I like that grille block. Look forward to hearing about it.

Frank Lee 04-22-2011 09:48 PM

Very nice workmanship :thumbup:

Tygen1 04-22-2011 11:02 PM

Good job, now you will want to keep them on :) I never figured you for the wheel skirt kind of guy :D

XJguy 04-23-2011 07:43 AM

Nice job. I had told my brother to do just that same thing to his muscle car that we use for road-rally competition. Would provide much needed aero help without taking away from the car's good looks and hiding the expensive wheels.

I cant make out exactly what you used to secure it.

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