Tas's 2008 Elantra Build Thread

[tasdrouille]

Here's the stock rear wheel air dam on my car. What would you do to improve it? Extends it downwards? How low? Should I mod it to take care of oblique air flow coming from underneath the car?

[MetroMPG]

Apparently these little flat tire spats/dams are quite sensitive to size & positioning. It's possible to increase Cd by going overboard, according to this article:

http://autospeed.com/cms/A_2456/article.html

I think the optimal route would be to add proper "3d" aerodynamic shapes ahead of the tires rather than spats/dams. Though of course that would be much more work to do.

[tasdrouille]

Reading Darin's comments in regards to custom 5th gears in the top gear thread, I decided to investigate a bit if there was something I could find for the Elantra.

My 5th gear set is 0.776. It turns out the 5th from the trans mated to the 1.6 diesel engine in the Elantra HD, Avante HD and i30 is 0.66, a 15% drop which would be perfect. Problem is parts for this trans are not available in NA. I contacted a couple KDM import business to see if they could source the part and at what cost.

[MetroMPG]

Interesting - good luck.

I wish I could get a taller OEM 5th for my car. It may make it pretty much undriveable in top gear with the taller final drive already in there (as well as the tires, which are taller than originally went with that transaxle), but I'd still like to try it.

I'd like to ask the guy who already made a custom taller gearset for the Metro if he'd lend me his, but he's not very consistent at answering e-mail.

[dan765]

Id like to put a block on my elantra but I dont think it will get cold enough here to compensate.

[tasdrouille]

You can at the very least block the top grille from behind. I keep it all year long.