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-   -   Kenlilley04's STF Build Thread (http://www.mazda3forums.com/showthread.php?t=693817)

Kenlilley04 11-04-2015 12:25 AM

Kenlilley04's STF Build Thread
 
3 Attachment(s)
Hello everyone, I've decided in the last month or so to start auto crossing my 04 mazda 3s. car just hit 140,000 miles and is my current daily driver here in Titusville Florida (Orlando area). I'm mainly looking for some advice on a few topics I've been researching, mainly weight saving (looking at some aftermarket seats) and rim sizes, i would like to get a new set of 17x7.5 sparcos (cheap and somewhat lightweight) but i know everyone basically runs the 15 inch rotas.

Car currently set up with Megan racing Coil-overs, with 450lbs rear springs and 350 lbs front springs, also have BC racing adjusters in the rear. JBR rear sway bar with Moog end-links, just recently installed a vibrant header and a Corksport cat-back with high-flow cat. (really love the sound and noticeable power gain). Also have Moog front end-links and new Mevotech ball joints are on the way. TWM Short Throw Shifter and solid shifter bushings with a Big type R shift knob.

I will be getting a CAI soon but for right now rims and tires are the priority, as well as some better rotors and some EBC Yellow pads all the way around.

Please feel free to comment with any and all suggestions, i used to race asphalt superlate models so ive been around racing my entire life, i also ran my dads 98 corvette this year in CAM-S so im no stranger to the racing community, sadly he wont let me prep the corvette lol

JTilus 11-11-2015 10:25 AM

Consider replacing the battery with a lightweight LifePo4 such as the Battery Tender 360cca model. It'll save you 35+ pounds off the front of the car.

gigglehurtz 11-14-2015 12:52 PM

Don't be shocked when the Moog endlinks bite the dust if you drive in an area with a lot of potholes. I'm upgrading to heim jointed endlinks so at least I can rebuild them if they start making a lot of noise.

miata_racer 11-21-2015 11:33 PM

Please for the love of christ don't use a cheap motorcycle battery...IT WILL cost you many tenths at the national championships by intermittently disabling ABS and power steering.

Ask me how I know...yay 3rd place in 2014 :(

Might I suggest trying to save up to replace your coilovers with something more suited to autocross and able to handle about double the rates you're on now :)


As for wheels...I may have a set I'd be willing to part with in the size you want...lighter too ;)

Quote:

Originally Posted by JTilus (Post 9908273)
Consider replacing the battery with a lightweight LifePo4 such as the Battery Tender 360cca model. It'll save you 35+ pounds off the front of the car.


miata_racer 11-21-2015 11:35 PM

P.S. - the car "looks" too low right now. Hard to see without good profile shots at rest.

JTilus 11-23-2015 12:45 PM

Quote:

Originally Posted by miata_racer (Post 9913017)
don't use a cheap motorcycle battery...IT WILL cost you many tenths at the national championships by intermittently disabling ABS and power steering.

I agree. Don't use a cheap motorcycle battery. That said, there are lightweight battery options that seem to be working fine in other Mazda3's.

Dave, was your battery the lead acid type? Those things are junk. Even my Focus eventually had problems with the ETX9 I was using. The LiFePo4 batteries are WAY better.

andres3165 11-29-2015 03:23 PM

Quote:

Originally Posted by miata_racer (Post 9913017)
Please for the love of christ don't use a cheap motorcycle battery...IT WILL cost you many tenths at the national championships by intermittently disabling ABS and power steering.
Ask me how I know...yay 3rd place in 2014 :(

LOL don't blame the battery for the results, was all on you ,

1- cheap battery set up, I still have your pics somewhere lol !! ;)
2- Dirty driving.

I don't blame my cheaty results this year on my car, just poor driving.

Still love you, you are an icon

Andres

Kenlilley04 11-29-2015 07:53 PM

The car was way to low when those pictures were taken, it has since been raised up about an inch all around.

I'm working on getting some BC Racing ER type coil overs. But that might be a while.
JBR rear sway is in along with new end links (bushing are very loud, any advice on how to quiet them up? They have plenty of grease)

Still looking for wheels but I've decided on the tires (RE71's) just need to decide on the size I want.

New clutch is on the way, as well as the ball joints. I need more time before the next season starts lol there's still way to much to do

gigglehurtz 12-07-2015 10:41 PM

I've got the same rear sway and I had to wrap the bar in teflon tape (same stuff that's used to seal threads on pipe fittings) and then grease to quiet it down. It make a little noise, but at least I don't have to re-grease it monthly now.

Kenlilley04 12-08-2015 11:16 PM

Thanks for that advice, I will have to do that, how thick was the tape? Like 2 wraps all the way around?


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