Quote:
Originally Posted by beatr911
Off topic a little but consider the stock air dam from the SE model and/or starting the undertray at the front, going all the way back.
+1 on cleaning up what's there to start. Mirrors, antenna, rear wiper delete if you have it, smooth front wheel covers, rear skirts. You'll probably do these with a rear cone anyway.
The big, inefficient, low geared truck based motor is really working against you no matter what you do aerodynamically. The chassis/body on these is a great starting point for a RWD car however.
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I intend to run partial undertrays. I am also looking to install a cowl for the wipers along with the mirror delete and tire spats. Taller LRR tires will come later as my current tires only have ~200 miles on them. I'm thinking about going with 205/65/15's, possibly 195/65's.
Also, my car is powered by an SR20DET with some minor mods. Wet curb weight of the car with a full fuel tank is approximately 2250lbs. I did my research before buying the swap and found that the SR is a far more economical motor for my purposes than both the KA and the CA.
I have been looking into the Q45's 3.54 final drive gearing. With the light weight of the car and incredible amount of power I have at low revs I believe I can considerably lower the rpm's at cruise without any lugging.
A PCM based coolant heat retention system and an engine blanket are both on the radar as well.
My design goal is 35-40 mpg in the city, with whatever is necessary to achieve this.