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zumbooruk's latest activity
zumbooruk
reacted to
HorizonsEdge's post
in the thread
Looking for feedback on different tire/wheel size.
with
Like
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On the stock wheels I put conti extreme contact 2s; 265/35/19. No rubbing. Quieter. Better ride quality. No impact in daily driving...
Jun 21, 2026
zumbooruk
reacted to
jtlctr's post
in the thread
Looking for feedback on different tire/wheel size.
with
Like
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I will be needing to replace my OEM tires soon and I'm debating on a few different options. Ideally, I would like to soften the ride a...
Jun 21, 2026
zumbooruk
replied to the thread
30lb weight saving with LiFePO4 battery - is it worth it?
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thanks I am looking at lightweight wheels. I want to keep same geometry as OEM, i.e. 19x9.5 +60 wondering if I should keep 19" or go...
Jun 21, 2026
zumbooruk
reacted to
Evox787's post
in the thread
30lb weight saving with LiFePO4 battery - is it worth it?
with
Like
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I’m 6 ft and 200 lbs—down from 270 when I bought it in 2024! I can’t work out like I used to because of some injuries while on the...
Jun 21, 2026
zumbooruk
reacted to
jcb's post
in the thread
30lb weight saving with LiFePO4 battery - is it worth it?
with
Like
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If it gets cold where you live....not a great solution. Had an antigravity in another brand of car....the car failed to work with it...
Jun 21, 2026
zumbooruk
replied to the thread
30lb weight saving with LiFePO4 battery - is it worth it?
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I will not spend $950 for Antigravity, but I might spend the $230 for the Mighty Max I am 6'0" 170lb not easy to lose 30lb... as...
Jun 21, 2026
zumbooruk
replied to the thread
30lb weight saving with LiFePO4 battery - is it worth it?
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Thanks, I did not realize this about wheels / unsprung weight I always thought about choosing wheels as just for looks, and I never...
Jun 21, 2026
zumbooruk
reacted to
Evox787's post
in the thread
30lb weight saving with LiFePO4 battery - is it worth it?
with
Like
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If you’re spending around $800 to save 30 lbs on a car that you mostly drive in stop-and-go traffic or maybe just on weekends at the...
Jun 21, 2026
zumbooruk
reacted to
Clark_Kent's post
in the thread
30lb weight saving with LiFePO4 battery - is it worth it?
with
Like
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If you're going to pursue weight reduction, I'd focus on where the biggest dynamic gains can be found. Lightweight wheels and tires are...
Jun 21, 2026
zumbooruk
replied to the thread
2021 Civic Type R - Lithium Battery
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Agree, there is no doubt that Antigravity is the better battery, specs and components, but is the MightMax good enough? As I get older...
Jun 21, 2026
zumbooruk
reacted to
axion_industries's post
in the thread
2021 Civic Type R - Lithium Battery
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Like
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Id be careful with Lithium and low cost batteries, I will have to look into them more but I personally dont like buying cheap parts
Jun 21, 2026
zumbooruk
reacted to
joshinthecity's post
in the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
with
Like
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I go one step further. Warm up stage 1: Gentle driving and no real boost until 80c water temp Warm up stage 2: Moderate driving until...
Jun 21, 2026
zumbooruk
replied to the thread
2021 Civic Type R - Lithium Battery
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Yet the Mighty Max is even lighter and much cheaper, the Antigravity is 60% heavier and over 310% more expensive. any reason not to...
Jun 21, 2026
zumbooruk
replied to the thread
2021 Civic Type R - Lithium Battery
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Antigravity is made in China... not worth the $950 IMHO A much better value is MightyMax $230 27Ah, 700CCA, 62 minutes reserve...
Jun 21, 2026
zumbooruk
posted the thread
30lb weight saving with LiFePO4 battery - is it worth it?
in
Type R: Maintenance & Servicing: Break-In / Oils & Fluids / Consumables
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I am researching lightweight LiFePO4 batteries for about 30lb weight savings, or about 0.94% of the FL5 weight, much easier than loosing...
Jun 21, 2026
zumbooruk
reacted to
Unity Performance's post
in the thread
Unity Performance Humza's FL5 Build Thread
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Like
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I’m aware that it’s not the ideal setup for dedicated track use, and since I’m not as avid a track-goer as I once was, it’s less of a...
Jun 21, 2026
zumbooruk
reacted to
ABPDE5's post
in the thread
Unity Performance Humza's FL5 Build Thread
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Like
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FYI: the snorkel has been found to block a significant amount of flow to the radiator and cause coolant / oil temp issues. This is more...
Jun 21, 2026
zumbooruk
replied to the thread
Lumbar support for old dudes
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I found a similar slightly cheaper one $13 (vs $14), gotta save every penny after spending so much money on the Cobb intake, AccessPort...
Jun 20, 2026
zumbooruk
replied to the thread
What did you do to your FL5 today?
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BLUF: not limited or lower air volume. Necking down results in a higher velocity at the OEM pipe keeping air volume about the same. I...
Jun 20, 2026
zumbooruk
reacted to
AspecR's post
in the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
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Like
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try to keep it under 3k rpms for the first 10 mins, no full boost/redline until oil temps are at least 180 deg.
Jun 19, 2026
zumbooruk
replied to the thread
Got my USA FL5 Type R with build paper from Japan, what does this mean ?
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asked Grok to translate and explain: **The document is the internal factory build specification sheet from Honda’s Yorii Automobile...
Jun 18, 2026
zumbooruk
replied to the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
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I would not change factory oil at 500, wait at least to 1,000 (I waited to 3,000) best commonly/cheaply available: Pennzoil Platinum...
Jun 18, 2026
zumbooruk
replied to the thread
Lumbar support for old dudes
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Thanks, I scanned for pictures and links, and did not notice your post...
Jun 15, 2026
zumbooruk
reacted to
kjechel's post
in the thread
Lumbar support for old dudes
with
Like
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Yes, as I stated in my post above - It works great in my Recaro Pole Position seat. The Amazon one looks very similar and much less...
Jun 15, 2026
zumbooruk
replied to the thread
Lumbar support for old dudes
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Has anyone tried inflatable lumbar support behind the seat, such as this one...
Jun 15, 2026
zumbooruk
replied to the thread
Serialized Nameplate on Dash Size
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aluminum plate 60x17.5mm outside border 64x21.5mm
Jun 11, 2026
zumbooruk
reacted to
johnloov's post
in the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
with
Like
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5w30 of course is preferred in hot climates, but if you track stock engine, setup, it will run hotter on track on a stock car. For sure...
Jun 10, 2026
zumbooruk
replied to the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
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Yet it could be argued that the marginal gain in cold-start flow from 0W-20 does not outweigh the improved high-temperature film...
Jun 10, 2026
zumbooruk
replied to the thread
What's the best money you've spent on your car that wasn't a power mod?
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Hella B133 horns https://www.amazon.com/dp/B00ASK3BP8 https://www.amazon.com/dp/B000CRZXPI same but sometimes one is cheaper than the...
Jun 10, 2026
zumbooruk
reacted to
cryptolime's post
in the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
with
Like
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seems like a great justification for using 0w cold rating oils.
Jun 10, 2026
zumbooruk
replied to the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
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FL5/K20CA has a coolant to oil heat exchanger to heat up the oil faster during startup, and cool the oil via the engine...
Jun 10, 2026
zumbooruk
replied to the thread
đź”´đź’Š Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis
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Authors Eric W. Schneider and Daniel H. Blossfeld of GM Global Technology Operations developed a radiotracer technique to quantify...
Jun 10, 2026
zumbooruk
reacted to
LogicalCC's post
in the thread
Hardwiring Dash Cam - Which fuses to tap?
with
Like
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Check out this video for wiring the rear. I took this approach and it worked out well and clean. I also used this wire loom on that...
Jun 10, 2026
zumbooruk
reacted to
lflouie's post
in the thread
DSC Sport Controller Suspension Module
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Like
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Agree, it changes a very track oriented suspension with relatively narrow suspension damping per mode into a very wide range of...
Jun 8, 2026
zumbooruk
replied to the thread
Current infotainment software version? Update issues
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I also yanked out my TCU, the only way for me to update is via USB, Honda OTA USB Website was giving server errors for a long while, but...
Jun 7, 2026
zumbooruk
reacted to
Spart's post
in the thread
Adapter for Motive power bleeder
with
Like
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Okay, I would not do this. You never use teflon tape on a brake system, ever. All of the connections are designed to seal by...
Jun 7, 2026
zumbooruk
reacted to
Spart's post
in the thread
What's the best money you've spent on your car that wasn't a power mod?
with
Like
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Undoubtedly the CDV+CMC damper delete. That's when it started feeling like a manual should feel.
Jun 6, 2026
zumbooruk
replied to the thread
Adapter for Motive power bleeder
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Thanks, Indeed I initially had air bubbles from air past the threads But these bubbles stopped after I put some Teflon tape around the...
Jun 6, 2026
zumbooruk
replied to the thread
Adapter for Motive power bleeder
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Which was the main reason I decided to get the Mityvac MV8500 Silverline Elite Automotive Brake/Clutch Bleeding kit. I maintain five...
Jun 5, 2026
zumbooruk
reacted to
InNorthAtlanta's post
in the thread
Talk me out of a Hybrid Sport Touring Hatch
with
Love
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Pulled the trigger on a pearl white ST hatch. About 33,800 before sales tax and title, including tint, all weather mats and fender...
Jun 5, 2026
zumbooruk
replied to the thread
What's the best money you've spent on your car that wasn't a power mod?
.
must haves: DCS suspension controller (transformed the ride, I keep in comfort, and it automagically goes all the way to firmest)...
Jun 5, 2026
zumbooruk
reacted to
johnloov's post
in the thread
Any issues with 275/35 R19 Tires?
with
Like
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Here are the results after 2 heavy track days at COTA in the Advanced group on 275/35 19 Pirelli PZero Corsa Track tires. Positives...
Jun 4, 2026
zumbooruk
reacted to
jtlctr's post
in the thread
What did you do to your FL5 today?
with
Like
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lol! You’re in good company, my friend! I can go down the rabbit hole on anything. It’s brutal sometimes. It can be fun with hobbies...
Jun 3, 2026
zumbooruk
replied to the thread
What did you do to your FL5 today?
.
Thanks! I found similar answers elsewhere on the web. I am a very good worrier, a recovering perfectionist (yet keep falling off the...
Jun 3, 2026
zumbooruk
reacted to
dwag88's post
in the thread
What did you do to your FL5 today?
with
Like
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In my experience with direct injected engines, you can't judge the quality of the oil by the color. It turns black almost immediately...
Jun 3, 2026
zumbooruk
reacted to
AspecR's post
in the thread
Akebono or Brembo OE Ceramic Pads
with
Like
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This matches my sentiments, Akebonos are for people that don't regularly drive their cars spiritedly. Lack of dust is amazing but that's...
Jun 2, 2026
zumbooruk
reacted to
AZCWTypeR's post
in the thread
Akebono or Brembo OE Ceramic Pads
with
Like
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I generally reuse rotors unless: 1. They are under thickness. 2. Surface ruined by pad backing plate contact or excessive rust. 3...
Jun 1, 2026
zumbooruk
replied to the thread
Akebono or Brembo OE Ceramic Pads
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I am not even close to needing new pads but out of curiosity, when I first got the car, I researched brake pads (and brake fluids, MTF...
Jun 1, 2026
zumbooruk
replied to the thread
What did you do to your FL5 today?
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8k miles. Second oil and filter change (PUP 5w-30 and the last of my Fram Ultra Synthetic), first MTF change (GM Synchromesh), rotated...
Jun 1, 2026
zumbooruk
reacted to
BootsMoving's post
in the thread
FL5 Fuel Pump Relay Location
with
Like
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The issue was not a bad ground. The issue was that I was arming the kill switch too fast, like the code for the CEL states that the...
May 30, 2026
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