D-Street Type R AutoX info sharing

Yonder

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Hi All, Just a general question.

I've read a lot of CTR's tend to have overheating issues on the track but I've also noticed those same CTR's were not running stock power. Genuinely curious if you guys have ran into overheating issues at stock power?
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Hi All, Just a general question.

I've read a lot of CTR's tend to have overheating issues on the track but I've also noticed those same CTR's were not running stock power. Genuinely curious if you guys have ran into overheating issues at stock power?
I haven’t heard of any issues so far (nor have I experienced any) on a auto-x environment. However I have 3 friends who have overheated at the track with a stock car ( at two very different venues with ambient temps in the 70s)
 

apexit53

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Hi All, Just a general question.

I've read a lot of CTR's tend to have overheating issues on the track but I've also noticed those same CTR's were not running stock power. Genuinely curious if you guys have ran into overheating issues at stock power?
honestly this feels like rumors to sell oil coolers. granted i never did a track day in mine but not once did i ever have over heating issue in my CTR.
 

b2point0h

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Hi All, Just a general question.

I've read a lot of CTR's tend to have overheating issues on the track but I've also noticed those same CTR's were not running stock power. Genuinely curious if you guys have ran into overheating issues at stock power?
During short 60 - 80second AutoX laps, you'll likely never experience overheating. I certainly never have.

On a road course, you will guaranteed overheat. However, the heat is manageable. What I mean is this:

- The car doesn't immediately overheat, this obviously happens after multiple laps. How many laps exactly will largely depend on ambient air temps, how hard you're pushing the car, how long the laps are, and how much airflow you're getting.

- Once you see the temps rise, back off the throttle and go for a cool down lap. In stock form the car cools quite quickly, and should only require 1 - 2 laps MAX.

In my on-track experience here's what I saw:

Car:
- 2019 R
- PRL Front Pipe
- PRL HV Intake
- PTP Inlet blanket
- Aftermarket honeycomb grill
- Hondata Stage 1 Tune
- HKS Oil Cooler

Streets of Willow CCW 40-60F ambient temps:
- 1st session - 9 laps no issues
- 2nd session - 5 laps with traffic, overheated. 1 cool down lap went another 4 laps before overheating. (When i say overheating, i mean the temp needle gets to 3/4 before I back off).
- 3rd session - 3 laps with traffic, temps to 3/4, kept pushing 1 more lap, car flashed overheat message and to immediately cool down car

Buttonwillow CW 13 40-50F ambient temps:
- 1st session - 6 laps no issues
- 2nd session - 7 laps no issues
- 3rd session - 2 laps, car went into limp mode (later found out due to low fuel. Had full tank start of 1st session!)

Thoughts: The car is excellent at both AutoX and track. Your overheating issues will certainly arise, but this is highly dependent on ambient temps and how hard you push. I firmly believe if you have the following mods your on-track experience will be much more pleasurable, but not 100% necessary to get there and drive.

- Higher flowing grill (Absolutely necessary)
- Oil Cooler (Necessary for prolonged sessions & high ambient temp tracks)
- Vented hood with vent directly above turbo (Necessary for prolonged sessions & high ambient temp tracks)
- Radiator
- Intercooler
 
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Yonder

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@Apex Carver @apexit53 @b2point0h Thanks for all the info! I figured i'd ask the DS peeps since you guys are closer to stock than other sub forums for the FK8. Just trying to gather some more info for my Pops regarding his FK8. i think he's been kind of spooked about the heating issue lol I was just telling him its probably more because these guys are running more power but the 2020 FK8 grill was opened up for more airflow so i guess it was really an issue even at stock power (like @b2point0h said) for "prolonged sessions". He has his eyes on J's high flow grill and hks oil cooler kit but il be sure to show him these posts to help coax his decision for what is necessary.

thanks again yall!
 


apexit53

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@Apex Carver @apexit53 @b2point0h Thanks for all the info! I figured i'd ask the DS peeps since you guys are closer to stock than other sub forums for the FK8. Just trying to gather some more info for my Pops regarding his FK8. i think he's been kind of spooked about the heating issue lol I was just telling him its probably more because these guys are running more power but the 2020 FK8 grill was opened up for more airflow so i guess it was really an issue even at stock power (like @b2point0h said) for "prolonged sessions". He has his eyes on J's high flow grill and hks oil cooler kit but il be sure to show him these posts to help coax his decision for what is necessary.

thanks again yall!
I did have a front pipe on mine and one thing i would suggest is wrapping it. its so close to that oil pan it cant hurt!
 

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I did have a front pipe on mine and one thing i would suggest is wrapping it. its so close to that oil pan it cant hurt!
or ceramic coat it like me :thumbsup:

personally, never had any overheating issues with my18 in DS or STU this past season. locally, our courses are a bit short due to our lot size with heats at 40-50 secs.
 
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Speed9117

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Speaking of front pipes, I am curious to get opinions from folks running DS on any benefit from a front pipe and/or exhaust. Is there any discernible increase in power that would actually help at autox? Typically, I would write off exhausts on otherwise stock cars as almost an aesthetic mod - just for sound and looks based on personal preference. But with the turbo are there "real" gains to be had?

I'm a recovering ricer and now consider myself to be more on the old man end of the spectrum and I actually prefer the stock exhaust for daily driving. Not trying to ruin the car by adding an obnoxious exhaust, but also not trying to leave power on the table... Because you know, srs bzns and whatever.

My current prep simply consists of 3 sets of DS Motegis and a Whiteline RSB (which I will probably replace with stock for lower grip surfaces like Packwood).
 

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Speaking of front pipes, I am curious to get opinions from folks running DS on any benefit from a front pipe and/or exhaust. Is there any discernible increase in power that would actually help at autox? Typically, I would write off exhausts on otherwise stock cars as almost an aesthetic mod - just for sound and looks based on personal preference. But with the turbo are there "real" gains to be had?

I'm a recovering ricer and now consider myself to be more on the old man end of the spectrum and I actually prefer the stock exhaust for daily driving. Not trying to ruin the car by adding an obnoxious exhaust, but also not trying to leave power on the table... Because you know, srs bzns and whatever.

My current prep simply consists of 3 sets of DS Motegis and a Whiteline RSB (which I will probably replace with stock for lower grip surfaces like Packwood).
RV6 claims that the prevailing wisdom from before and after dynos indicated about a 10-12 hp bump. Fairly impressive if true for a front pipe. Mine goes in this month.
 

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I have the front pipe and I don't really have any gauge if ii does anything. Main thing was since I am changing the rest of the system to 3" I might as well do it...
 


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Hi All, Just a general question.

I've read a lot of CTR's tend to have overheating issues on the track but I've also noticed those same CTR's were not running stock power. Genuinely curious if you guys have ran into overheating issues at stock power?
I ran my completely stock other than wheels/tires/cat-back exhaust car HARD at the Portland TTNT and couldn't get through a session without overheating the engine and trans, and they have massive fueling issues when running that hard (i.e., the high pressure fuel pump and rail can't keep up). Car would hesitate and throw codes if I didn't back off. Unfortunately, a month later, it did it's hesitation BS at the Packwood Tour, hence jumping from my car to another Type R for day 2 (thanks Des!). Prior to the Portland TTNT, I never had an overheating or fueling issue with either my 2017 or 2018, and I drove them pretty hard. So, I attribute it to the track time, not autox.

As for whether the front pipe and exhaust make any difference. Technically yes but in reality no - with back to back drives with Des's car (OEM) vs mine with the pipe and exhaust - same times, just one with more noise. .
 

apexit53

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I ran my completely stock other than wheels/tires/cat-back exhaust car HARD at the Portland TTNT and couldn't get through a session without overheating the engine and trans, and they have massive fueling issues when running that hard (i.e., the high pressure fuel pump and rail can't keep up). Car would hesitate and throw codes if I didn't back off. Unfortunately, a month later, it did it's hesitation BS at the Packwood Tour, hence jumping from my car to another Type R for day 2 (thanks Des!). Prior to the Portland TTNT, I never had an overheating or fueling issue with either my 2017 or 2018, and I drove them pretty hard. So, I attribute it to the track time, not autox.

As for whether the front pipe and exhaust make any difference. Technically yes but in reality no - with back to back drives with Des's car (OEM) vs mine with the pipe and exhaust - same times, just one with more noise. .
The time i felt it made the most difference is at the top end. when you were there consistently at a fast course. it just felt like it was breathing better. Could all be in my head though.
 

Banannie

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Yes, agreed, technically it would make a slight difference, it is a few more horsepowers, but it really isn't a "must have" mod is all I was trying to say. There are other cars where I'd argue it's a must-have, the Type R isn't one...
 

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Hmmm maybe I'll just sit and try to score some deals on some used stuff if anything and not just throw the dollars at it.
 

Speed9117

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I ran my completely stock other than wheels/tires/cat-back exhaust car HARD at the Portland TTNT and couldn't get through a session without overheating the engine and trans, and they have massive fueling issues when running that hard (i.e., the high pressure fuel pump and rail can't keep up). Car would hesitate and throw codes if I didn't back off. Unfortunately, a month later, it did it's hesitation BS at the Packwood Tour, hence jumping from my car to another Type R for day 2 (thanks Des!). Prior to the Portland TTNT, I never had an overheating or fueling issue with either my 2017 or 2018, and I drove them pretty hard. So, I attribute it to the track time, not autox.
I'm hoping a kart track will be closer to autox than a true track day... Hoping to run the Enduro in Medford coming up. PIR is one of the hardest PNW tracks on equipment too though. Basically two drag strips connected by a couple turns. I run my SR 240sx both there and at ORP and always run significantly cooler at ORP.
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