Kenlilley04's STF Build Thread - Page 2 - Mazda3 Forums : The #1 Mazda 3 Forum
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post #11 of 86 (permalink) Old 12-12-2015, 10:28 AM
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RSB Noise?

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Originally Posted by Kenlilley04 View Post
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)
Not understanding why there is any noise from your rear sway bar. At all.

I've first had the Corksport and now the Hotchkiss 32mm rear sway bars, and not a peep....... You did replace the stock rear sway bar links with the Mazdaspeed sized ones, right? They are different sizes.

If the main mounting bushings are the right size (gotta be, came with, right?), and the endlinks are the right size, sway bars make no noise. Should the endlink nuts loosen a little they will make some clunking over bumps, I do have to check and re-tighten about once a month on my daily driver/autocross MZ3.

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post #12 of 86 (permalink) Old 12-20-2015, 01:39 AM Thread Starter
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I have the upgraded bushings from JBR, it's not a clunk, I've never had a problem with that. It's a squeaking noise over every bump, if the Teflon tape solves the problem I'm not worried about it. It's just annoying to hear while daily driving.

Clutch is here, as well as a new flywheel (didn't want to deal with possible resurfacing) this will be installed sometime in the next 2 weeks, just bad timing with Christmas. Also have new ball joints ready to be installed as well as adjustable front end links (cork sport, also Christmas present from my girlfriend) as well as a new wheel bearing assembly for the left front as its making some noise. I won't be running my local events in January but February I will make the debut, look for me at the pro solo event in Georgia in March. Hopefully I will have wheels and tires by then!
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post #13 of 86 (permalink) Old 12-20-2015, 03:56 PM
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Thanks for that advice, I will have to do that, how thick was the tape? Like 2 wraps all the way around?
Sorry about going MIA, I forgot my password and was too damn lazy to reset it.

I just went one layer, in the area where the bushing will mount. I then greased it and put the bushing on. I learned about this trick from MotoIQ; they do it for all of their swaybar installs.

I also installed the heim jointed endlinks which have the proper sized through bolt to fill the hole in the sway bar. It turns out that the Moog endlinks worked their way loose because of the smaller stud and a used-up lock washer (though me thrashing it on a rallycross course had nothing to do with it. /s)
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post #14 of 86 (permalink) Old 01-06-2016, 07:51 PM Thread Starter
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Got some work done in the last few weeks and decided to upgrade the thread.

Re did my rear seat bar install and wrapped it with Teflon tape re greased and torqued everything down again, problem solved for that one. Also put in the corksport adjustable end links, WOW that made a huge difference in turn in down some back roads!

Just got the car back from the shop for the new clutch and flywheel. I couldn't find a specific rule for STF as what we could do in the tranny. Ended up with the exedy stage 1 clutch and lightweight flywheel. It feels way better than my 140,000 mile clutch lol.

Rims and tires are going to be ordered in a few weeks, I'm sticking with 17's when I get a newer car down the road I'm hoping these will look good and fit nicely. RE 71'rs are the tire I'm going with. Also new ball joints going on in the next few weeks, as well as a left front hub assembly since it's making some noise. Should have all that done by the tour date in Moultrie GA in March!
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post #15 of 86 (permalink) Old 01-07-2016, 07:00 PM
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Clutches in STF

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Originally Posted by Kenlilley04 View Post
Got some work done in the last few weeks and decided to upgrade the thread.
Just got the car back from the shop for the new clutch and flywheel. I couldn't find a specific rule for STF as what we could do in the tranny. Ended up with the exedy stage 1 clutch and lightweight flywheel. It feels way better than my 140,000 mile clutch lol.
Sorry to say, when you enter that Tour, real sure you'll have to enter as FSP; F Street Prepared.

For future reference, if SCCA doesn't specifically say you CAN do something, then you CAN'T.

Street Rules (for clutches) apply to Street Touring cars:

Quote:
Alternate components which are normally expendable and considered
replacement parts (e.g., engine and wheel bearings, seals, gaskets, filters,
belts, bolts, bulbs, batteries, brake rotors, clutch discs, pressure plates,
suspension bushings, drivetrain mounts, fenders, trim pieces, fuel filler
caps, etc.) may be used provided they are essentially identical to the standard
parts (e.g., have the same type, size, hardness, weight, material, etc.),
are used in the same location, and provide no performance benefit.
The good news is that in FSP there is a BUNCH more that can be done.

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post #16 of 86 (permalink) Old 01-08-2016, 04:43 PM
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Scott's right, Exedy stage 1 clutch kit isn't Street Touring legal because the pressure plate offers more clamping force over the OEM Exedy/Daiken pressure plate and lightweight flywheels aren't legal in ST either. You now techically have a FSP car.

I show how to legally do the clutch/flywheel and discuss what the options are in my build thread here:

http://www.mazda3forums.com/90-autoc...-thread-9.html

Last edited by Adam3s; 01-08-2016 at 04:53 PM.
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post #17 of 86 (permalink) Old 01-08-2016, 07:27 PM
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Now if we all were running NASA-X (NASA Autocross) you might actually be able to stay in the same Class. Each mod carries a set "cost" in points, and only once you exceed your set point limit for your Class would you move up. There is driver choice and flexibility in what can be done to your car. SCCA OTOH is very strict and limited on change options.

In *my* world I would attend a NASA-X event over an SCCA one.

Scott Meyers
2006 Mazda 3S Sport - Making it the best that it can be

Last edited by mazda3az; 01-08-2016 at 09:44 PM.
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post #18 of 86 (permalink) Old 01-09-2016, 10:54 PM Thread Starter
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Who will be at the tour event? Do they care if I enter in STF? I'm not going to try to win, this is the closest tour event to me and would be fun to run. Considering I only have 1 other STF car in my region I would like some other people to run against. Would you guys protest me?
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post #19 of 86 (permalink) Old 01-09-2016, 11:50 PM
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Quote:
Originally Posted by mazda3az View Post
Not understanding why there is any noise from your rear sway bar. At all.

I've first had the Corksport and now the Hotchkiss 32mm rear sway bars, and not a peep....... You did replace the stock rear sway bar links with the Mazdaspeed sized ones, right? They are different sizes.

If the main mounting bushings are the right size (gotta be, came with, right?), and the endlinks are the right size, sway bars make no noise. Should the endlink nuts loosen a little they will make some clunking over bumps, I do have to check and re-tighten about once a month on my daily driver/autocross MZ3.
I had that same issue with the OEM Bar in the rear. Drilled it out, and used some MevOTech endlinks (Part# 24036-05249096), have yet to even touch them since I first torqued them down by hand. Running on 3 months now, and the endlinks have yet to loosen.

Last edited by MWolf85; 01-09-2016 at 11:51 PM. Reason: Addition of info
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post #20 of 86 (permalink) Old 01-10-2016, 08:43 PM
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Quote:
Originally Posted by mazda3az View Post
Now if we all were running NASA-X (NASA Autocross) you might actually be able to stay in the same Class. Each mod carries a set "cost" in points, and only once you exceed your set point limit for your Class would you move up. There is driver choice and flexibility in what can be done to your car. SCCA OTOH is very strict and limited on change options.

In *my* world I would attend a NASA-X event over an SCCA one.
I kind of agree, but there is another side of me that likes the "challenge" of engineering around the strict SCCA rules while increasing the performance of the vehicle.

Quote:
Originally Posted by Kenlilley04 View Post
Who will be at the tour event? Do they care if I enter in STF? I'm not going to try to win, this is the closest tour event to me and would be fun to run. Considering I only have 1 other STF car in my region I would like some other people to run against. Would you guys protest me?
Here's the thing with protests, in my experience nobody seems to care what you're doing to the car if you are at or near the back of the pack. People don't put the last place car under a microscope, they put the front runners and first place car under a microscope. The people who are in front of you in the results probably won't care one way or another what you've done to the car. It's the people behind you in the results you need to worry about. So if you start to have some success and beat some people, and they find out you have illegal parts, you very well might get protested.
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