I got my 17" wheels for autoX'ing and drag racing the other day, thread here . Made it out to San Antonio Raceway Wednesday night. My best time was a 14.0651 @ 97.68mph. My friend video taped the runs and I edited it down to 4mins (15MB). Thanks Nemisis8 for hosting it.

Video link Right click and select "Save As".

Some other info:
Temperature was 86F and humidity was also up there. Dropped the rear tires to 29psi. Car weighed in at 3180lbs with me in it (2980 for the car alone). Car number was 84.
I noticed that I shifted into 4th gear much sooner than with my 19's. I'm not sure if it's due to gearing or faster acceleration due to less wheel weight. (old rear tires - 275/30/19; new tires - 245/45/17)

I can get into the 13's by working on my burnout and launch. I'd like to spin the tires longer and have them warmer. It seems 6k rpm launches worked best for me.

The boost level drops off quickly. Peak was 42kPa (6psi) and 25kPa holding (3.5psi). I'm looking into getting a wideband O2 sensor to tune my AFR. The RP supercat leaned it out a little. Also, I don't want to up the boost (with boost controller) without knowing my AFR beforehand.

 

Great video. Very well produced.

 

sweet vid !

 

Wow! The car can do better than that!
Though your ET was almost a whole second faster, you MPH is within 2 or 3 MPH of my RX-8 before the turbo.
Your MPH (the true indicator of power) should be closer to 102 or 104 MPH.

EDIT: I now I see why (just watched it). You have practically no boost right where you need it most.
You need to fix that.

 

Great video adrian! I was hoping for a high 13 but hopefully next time! Great runs..im glad you spanked on the wrx and the slurbo civic...hahaha

 

Wow sweeeet !!!

 

You can most def get in the 13's! You'll only get better at the drag strip with time! Try going when the humidity is down a little more.

Either way good job!

 

Correct. I'll be calling Greddy to see what the boost is supposed to drop to and at what rpm. It may be due a leak somewhere.
The lower ET is mostly from my other mods (midpipe, flywheel, clucth, wheels/tires) .


More coming. I'll probably do an autox within a month.

 

Your Welcome! :D

About the hosting: My server download time is pretty good right now. Any problems for anyone? Bandwidth currently is 20,000 MB per month, and I am at 21% as of today.

 

No problems here. Just took me ~ 15 seconds...

 

Adrian, what was your clutch again?

 

Bonez clutch set, found here. I think I misspelled it on the video.

 

Awesome video!

 

Nice vids. Practice practice practice. With a good launch you'll be mid-high 13s.

 

Great video, thanks for sharing.

 

Mazda where's your drag video? o.O

 

According to that video, when you had the video in the car, your dash showed no orange traction light to show you disabled the traction control...which means you still had your traction control system on when you raced.

Is that true? If so, how come you didn't turn it off?

 

^good question

 

i think u should be holding onto your steering wheel more securely :D maybe on the side or something? and yah turn off your traction control xP

oh and EXCELLENT videos :D Share ur auto-x videos too when you go

 

Yeah, I'd like to see that, too. That would make a great TV commercial.

 

Adrian,

GREAT videos!

can't wait to see more of them. When's the date for Auto X'ing?

 

Nice!

Just curious, but why smaller diameter wheels? Are the wheels + tires the same overall diameter when you compare the 17" to the 19"?

 

The wheel diameter is roughly the same but the weight savings are HUGE. He's saving 12lbs on each rear wheel.

 

nice work adrian, I almost felt bad for the Honda, that el camino was pretty sweet and you almost had it. car's coming along nice, HeatWave is just around the corner too