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After Boost Logic's installation of the HKS DCT transmission cooler (which works GREAT) to address my on-track tranny temps, it was clear that I had to then address my on-track oil temps. So, Boost Logic stepped up with an upgraded engine oil cooler. See their introductory thread here.
My first comment is that Boost Logic does quality work and spends time to get things right.
My conclusion after a few track days (13 sessions, 3 tracks) with the BL oil cooler, is that the Boost Logic oil cooler is showing its effectiveness in two ways.
First, there is a decrease in oil temps on the track, but due to intra-session cool down laps required with the OEM cooler with which I am comparing, it is hard to quantify the exact effect. It may be as great as 26F (see Session 2 in "C" below).
Second and more importantly, these track sessions show that my temps may be reaching a plateau below critical (260F) oil temps allowing me to finish full (25 minute) sessions and save on oil changes, whereas the OEM oil cooler core continues to build oil temps to critical (260F) requiring cool down laps within the 25 minute session.
Below are the sessions where I could do my best apples-to-apples comparisons. I have not had to do any intra-session cool down laps since the addition of the BL oil cooler.
NOTE: My "end session" temps below are the temps at checkered flag, BEFORE cool down lap; and car mods are listed at the very bottom of this post.
A: Same track (Driveway Austin Elevation (L2) Circuit), different day comparison with my car before and after BL engine oil cooler:
My car with OEM oil cooler core:
Date: 15 AUG 2010
Ambient conditions: 100F, dry track, 25 minute session
Quickest lap: 1:01.92s
.....Temps leaving pit lane: C: 181F, O: 177F, T: 168F
.....Temps in session: C: 204F, O: 260F, T: 253F
.....I reached 260F on oil twice in the session, requiring intra-session cool down laps
My car with Boost Logic oil cooler core:
Date: 24 SEP 2010
Ambient conditions: 97F, dry green dusty track, 25 minute session
Quickest lap: 1:01.88s
Quick Lap Video:
.....Temps leaving pit lane: C: 195F, O: 195F, T: 206F
.....this was after a short cool down period between this session and previous session on shorter track (see session "B" below)
.....Temps end session: C: 208F, O: 254F, T: 259F
.....NO intra-session cool-down laps, and I was duking it out with a CanAm car
B: Same track (Driveway Austin Short (L1) Circuit) comparison between my car with BL engine oil cooler & my brother's (NAGTROC: 42gtrJr) stock USDM 2010 GT-R with OEM engine oil cooler. We did a lead/follow (me following him, then him following me) for the session:
Date: 24 SEP 2010
Ambient conditions: 88F, dry green track, 25 minute session
Quickest lap: 37.XXs
One Lap Video:
My car:
.....Temps leaving pit lane: C: 179F, O: 183F, T: 174F
.....Temps mid session: C: 208F, O: 246F, T: 235F we pitted to get mid session temps
.....Temps end session: C: 204F, O: 249F, T: 246F
.....I ran full session, NO intra-session cool down laps
My brother's car:
.....Temps leaving pit lane: C: 179F, O: 177F, T: 170F
.....Temps mid session: C: 208F, O: 246F, T: 246F we pitted to get mid session temps
.....Temps in session: C: 218F, O: 260F, T: 266F
.....He had to do cool-down laps upon reaching O: 260F; Note you can see effect of HKS DCT cooler here, too.
C: Same track (Motorsports Ranch Cresson 3.1 mile Circuit) comparison between my GT-R and NAGTROC:Icarus' GT-R over sessions 2 & 4, including lead/follow in session 4 (session 3: Icarus ran conservatively with instructor):
Session 2:
Date: 12 SEP 2010
Ambient conditions: 90F, dry track water across 2 straights, 25 minute session
Quickest laps: 2:28.XXs
My car:
.....Temps leaving pit lane: C: 183F, O: 183F, T: 179F
.....Temps end session: C: 197F, O: 245F, T: 245F
.....I ran hard full session, NO intra-session cool down laps
Icarus' car:
.....Temps leaving pit lane: did not record
.....Temps in session: C: --, O: 271F, T: --
.....He had to do cool-down laps upon reaching O: 271F
Session 4:
Date: 12 SEP 2010
Ambient conditions: 96F, dry track water across 2 straights, 25 minute session
Quickest laps: 2:26.XXs
Quick lap video:
My car:
.....Temps leaving pit lane: C: 185F, O: 199F, T: 197F
.....Temps end session: C: 205F, O: 259F, T: 256F
.....I ran hard full session, NO intra session cool down laps
Icarus' car:
.....Temps leaving pit lane: did not record
.....Temps in session: C: --, O: 266F, T: --
.....He had to do cool-down laps upon reaching O: 266F
The Cars:
My (NAGTROC:forty-two) car is a USDM 2010 with:
.....OEM fluids, unless otherwise indicated
.....HKS DCT cooler, OEM DCT fluid
.....Boost Logic Oil Cooler
.....90mm Ti resonated midpipe, heat wrapped
.....ARP studs & lug nuts
.....AP Racing slotted rotors
.....Carbotech XP-12 pads
.....StopTech brake lines, w/Motul RBF 600 fluid
.....Custom Boost Logic brake cooling deflector for front brakes (similar to HKS Kansai deflectors)
.....19" Volk TE37's w/Hoosier R6's (F: 295/30/19, R: 315/30/19)
NAGTROC:Icarus' car is a USDM 2009 with:
.....OEM fluids, except Castrol TWS 10W-60 engine oil
.....HKS DCT cooler, OEM DCT fluid
.....HKS resonated midpipe & Legamax exhaust
.....AP Racing J-hook rotors
.....Carbotech XP-12 pads, w/Motul RBF 600 fluid
.....18" Enkei w/Toyo R888's (F&R: 305/35/18)
My brother's (NAGTROC:42gtrJr) car is a USDM 2010 with:
.....OEM fluids
.....19" Volk RE30's w/Hoosier R6's (F: 295/30/19, R: 315/30/19)
.....NOTE: Boost Logic will build out his car to match mine.
My first comment is that Boost Logic does quality work and spends time to get things right.
My conclusion after a few track days (13 sessions, 3 tracks) with the BL oil cooler, is that the Boost Logic oil cooler is showing its effectiveness in two ways.
First, there is a decrease in oil temps on the track, but due to intra-session cool down laps required with the OEM cooler with which I am comparing, it is hard to quantify the exact effect. It may be as great as 26F (see Session 2 in "C" below).
Second and more importantly, these track sessions show that my temps may be reaching a plateau below critical (260F) oil temps allowing me to finish full (25 minute) sessions and save on oil changes, whereas the OEM oil cooler core continues to build oil temps to critical (260F) requiring cool down laps within the 25 minute session.
Below are the sessions where I could do my best apples-to-apples comparisons. I have not had to do any intra-session cool down laps since the addition of the BL oil cooler.
NOTE: My "end session" temps below are the temps at checkered flag, BEFORE cool down lap; and car mods are listed at the very bottom of this post.
A: Same track (Driveway Austin Elevation (L2) Circuit), different day comparison with my car before and after BL engine oil cooler:
My car with OEM oil cooler core:
Date: 15 AUG 2010
Ambient conditions: 100F, dry track, 25 minute session
Quickest lap: 1:01.92s
.....Temps leaving pit lane: C: 181F, O: 177F, T: 168F
.....Temps in session: C: 204F, O: 260F, T: 253F
.....I reached 260F on oil twice in the session, requiring intra-session cool down laps
My car with Boost Logic oil cooler core:
Date: 24 SEP 2010
Ambient conditions: 97F, dry green dusty track, 25 minute session
Quickest lap: 1:01.88s
Quick Lap Video:
.....Temps leaving pit lane: C: 195F, O: 195F, T: 206F
.....this was after a short cool down period between this session and previous session on shorter track (see session "B" below)
.....Temps end session: C: 208F, O: 254F, T: 259F
.....NO intra-session cool-down laps, and I was duking it out with a CanAm car
B: Same track (Driveway Austin Short (L1) Circuit) comparison between my car with BL engine oil cooler & my brother's (NAGTROC: 42gtrJr) stock USDM 2010 GT-R with OEM engine oil cooler. We did a lead/follow (me following him, then him following me) for the session:
Date: 24 SEP 2010
Ambient conditions: 88F, dry green track, 25 minute session
Quickest lap: 37.XXs
One Lap Video:
My car:
.....Temps leaving pit lane: C: 179F, O: 183F, T: 174F
.....Temps mid session: C: 208F, O: 246F, T: 235F we pitted to get mid session temps
.....Temps end session: C: 204F, O: 249F, T: 246F
.....I ran full session, NO intra-session cool down laps
My brother's car:
.....Temps leaving pit lane: C: 179F, O: 177F, T: 170F
.....Temps mid session: C: 208F, O: 246F, T: 246F we pitted to get mid session temps
.....Temps in session: C: 218F, O: 260F, T: 266F
.....He had to do cool-down laps upon reaching O: 260F; Note you can see effect of HKS DCT cooler here, too.
C: Same track (Motorsports Ranch Cresson 3.1 mile Circuit) comparison between my GT-R and NAGTROC:Icarus' GT-R over sessions 2 & 4, including lead/follow in session 4 (session 3: Icarus ran conservatively with instructor):
Session 2:
Date: 12 SEP 2010
Ambient conditions: 90F, dry track water across 2 straights, 25 minute session
Quickest laps: 2:28.XXs
My car:
.....Temps leaving pit lane: C: 183F, O: 183F, T: 179F
.....Temps end session: C: 197F, O: 245F, T: 245F
.....I ran hard full session, NO intra-session cool down laps
Icarus' car:
.....Temps leaving pit lane: did not record
.....Temps in session: C: --, O: 271F, T: --
.....He had to do cool-down laps upon reaching O: 271F
Session 4:
Date: 12 SEP 2010
Ambient conditions: 96F, dry track water across 2 straights, 25 minute session
Quickest laps: 2:26.XXs
Quick lap video:
My car:
.....Temps leaving pit lane: C: 185F, O: 199F, T: 197F
.....Temps end session: C: 205F, O: 259F, T: 256F
.....I ran hard full session, NO intra session cool down laps
Icarus' car:
.....Temps leaving pit lane: did not record
.....Temps in session: C: --, O: 266F, T: --
.....He had to do cool-down laps upon reaching O: 266F
The Cars:
My (NAGTROC:forty-two) car is a USDM 2010 with:
.....OEM fluids, unless otherwise indicated
.....HKS DCT cooler, OEM DCT fluid
.....Boost Logic Oil Cooler
.....90mm Ti resonated midpipe, heat wrapped
.....ARP studs & lug nuts
.....AP Racing slotted rotors
.....Carbotech XP-12 pads
.....StopTech brake lines, w/Motul RBF 600 fluid
.....Custom Boost Logic brake cooling deflector for front brakes (similar to HKS Kansai deflectors)
.....19" Volk TE37's w/Hoosier R6's (F: 295/30/19, R: 315/30/19)
NAGTROC:Icarus' car is a USDM 2009 with:
.....OEM fluids, except Castrol TWS 10W-60 engine oil
.....HKS DCT cooler, OEM DCT fluid
.....HKS resonated midpipe & Legamax exhaust
.....AP Racing J-hook rotors
.....Carbotech XP-12 pads, w/Motul RBF 600 fluid
.....18" Enkei w/Toyo R888's (F&R: 305/35/18)
My brother's (NAGTROC:42gtrJr) car is a USDM 2010 with:
.....OEM fluids
.....19" Volk RE30's w/Hoosier R6's (F: 295/30/19, R: 315/30/19)
.....NOTE: Boost Logic will build out his car to match mine.