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Old 06-23-2020, 10:06 PM   #3865
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Thanks all for the advice. I'm either going with the Tomei UEL or JDL 4-2-1. I think the ACE is a bit expensive for me. Honestly, the cost is the only reason I don't just go with the JDL right now. I'll be doing an oil change in the next couple of weeks, so I'll make sure to swap to the 5W-30.



Steve, I believe I have ridden with you before. I almost signed up for the Bristol Champ Tour, but trying to manage money, I decided to sit this one out and try and get these mods on finally. There's no way I can have the car prepped with the new stuff before Bristol, but once it's all ordered and I have a better idea of final cost, I may revisit. I'll come say hi next time we cross paths. Hopefully we can start back up in Huntsville again soon.
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Old 06-24-2020, 08:56 AM   #3866
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Thanks all for the advice. I'm either going with the Tomei UEL or JDL 4-2-1. I think the ACE is a bit expensive for me. Honestly, the cost is the only reason I don't just go with the JDL right now. I'll be doing an oil change in the next couple of weeks, so I'll make sure to swap to the 5W-30.



Steve, I believe I have ridden with you before. I almost signed up for the Bristol Champ Tour, but trying to manage money, I decided to sit this one out and try and get these mods on finally. There's no way I can have the car prepped with the new stuff before Bristol, but once it's all ordered and I have a better idea of final cost, I may revisit. I'll come say hi next time we cross paths. Hopefully we can start back up in Huntsville again soon.
I'm following a travel guidance for work right now, so hopefully I can go to Huntsville when those events do happen.

It is frustrating to dump money into a car and not really get to enjoy it the way you envisioned.
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Old 10-28-2020, 10:43 PM   #3867
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This has probably been answered, but I looked through the SCCA rule book and it seems my 2015 is considered a "D" class car? I plan on doing Bilstein B6s and RCE Yellow springs with Group N top hats. Will this bump me up a class?


Also, I might consider headers/tune, but I don't really feel the need for more power in this thing yet.
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Old 10-28-2020, 11:10 PM   #3868
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This has probably been answered, but I looked through the SCCA rule book and it seems my 2015 is considered a "D" class car? I plan on doing Bilstein B6s and RCE Yellow springs with Group N top hats. Will this bump me up a class?


Also, I might consider headers/tune, but I don't really feel the need for more power in this thing yet.
Yes. Only oem springs and top hats are allowed in Street class, damper change ok as long as it's built to oe dimensions. Sounds like you're building an STX car, have fun.
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Old 10-28-2020, 11:37 PM   #3869
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Yes. Only oem springs and top hats are allowed in Street class, damper change ok as long as it's built to oe dimensions. Sounds like you're building an STX car, have fun.

I don't plan on racing for placement and just plan on doing it more for fun and learning the limits of this car so I guess it's not that big of a deal. Just wanted to know where I would stand. Thanks for answering, though.
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Old 10-29-2020, 10:06 AM   #3870
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I don't plan on racing for placement and just plan on doing it more for fun and learning the limits of this car so I guess it's not that big of a deal. Just wanted to know where I would stand. Thanks for answering, though.
STX is great. You can do a lot of popular street mods in the class (though you do need to pay attention to some things like bushings and cats when making your choices).
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Old 10-29-2020, 08:21 PM   #3871
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STX is great. You can do a lot of popular street mods in the class (though you do need to pay attention to some things like bushings and cats when making your choices).

Just to be clear, it seems I have to retain a cat for STX, but does that mean both or can i get a catless header while retaining the other one and still stay in STX?
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Old 10-30-2020, 07:37 AM   #3872
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Just to be clear, it seems I have to retain a cat for STX, but does that mean both or can i get a catless header while retaining the other one and still stay in STX?
as long as your last cat is within 6" of the stock last cat location and it fits whatever density and size of a cat you are good
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Old 10-30-2020, 08:39 AM   #3873
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as long as your last cat is within 6" of the stock last cat location and it fits whatever density and size of a cat you are good
I think there's a minimum requirement for the single replacement cat.
From the rule book: "Replacement converters must have a minimum catalyst density of 100 cells per inch and minimum substrate length of 3”
(76.2 mm)."
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Old 10-30-2020, 09:25 AM   #3874
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I think there's a minimum requirement for the single replacement cat.
From the rule book: "Replacement converters must have a minimum catalyst density of 100 cells per inch and minimum substrate length of 3”
(76.2 mm)."

that sounds about right. pretty sure every "high flow" cat will meet those requirements
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Old 10-30-2020, 03:48 PM   #3875
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Just to be clear, it seems I have to retain a cat for STX, but does that mean both or can i get a catless header while retaining the other one and still stay in STX?
Assuming you are getting a tune then too? Even if you opted to build suspension to D-Street spec the header would bump you up. You'll have fun in STX and if you buy wheels to class spec and 245 tires for them your car will compete with 99% of STX cars out there.

Also I don't know how familiar you are with SCCA classing / modification rules but even the tiniest of parts can bump you way beyond STX. Just something to keep in mind if you're doing a build for fun.
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Old 10-30-2020, 04:09 PM   #3876
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Assuming you are getting a tune then too? Even if you opted to build suspension to D-Street spec the header would bump you up. You'll have fun in STX and if you buy wheels to class spec and 245 tires for them your car will compete with 99% of STX cars out there.

Also I don't know how familiar you are with SCCA classing / modification rules but even the tiniest of parts can bump you way beyond STX. Just something to keep in mind if you're doing a build for fun.

I haven't done Auto-x is like 10 years so I'm playing a lot of catch up at this point.


Here's what I have currently planned for the spring:


Bilstein B6 w/ RCE Yellow springs
High-flow catted headers
Crawford Power Blocks

OFT Tune
17x7.5 wheels w/street rubber
Subframe bushings, steering lockdown, tranmission mount insert



Will any of this knock me out of STX?
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Old 10-30-2020, 05:50 PM   #3877
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No power blocks
No steering lockdown

Instead of steering lockdown you can pick up delrin steering rack bushings from diftech, STX legal and same effect, although mine weren't too noticeable, for better or worse. Transmission mount insert is fine as are other bushings as long as you're not adding metal. The white line polyurethane stuff is legal affordable and makes a difference to a point.

Seems like a fun set up but in no way competitive with a build for the class.
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Old 10-30-2020, 06:10 PM   #3878
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I haven't done Auto-x is like 10 years so I'm playing a lot of catch up at this point.


Here's what I have currently planned for the spring:


Bilstein B6 w/ RCE Yellow springs
High-flow catted headers
Crawford Power Blocks

OFT Tune
17x7.5 wheels w/street rubber
Subframe bushings, steering lockdown, tranmission mount insert



Will any of this knock me out of STX?
Don't quote me on this but I believe those power blocks will knock you up to prepared. Possibly even higher. They are 100% not STX legal and I can't speak to SM.

That said - If you're running 7.5 wheels you won't be anywhere close to an STX prepped car in performance so I wouldn't sweat it much unless you show up to a national event.
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