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Search: Posts Made By: lamawithonel
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 01-14-2019, 09:31 PM
Replies: 13
Views: 2,190
Posted By lamawithonel
GSpeed did this on their track car. Here's the...

GSpeed did this on their track car. Here's the post from their journal thread.
https://www.ft86club.com/forums/showpost.php?p=2318437&postcount=26
Forum: Engine, Exhaust, Transmission 08-20-2018, 03:12 PM
Replies: 45
Views: 23,906
Posted By lamawithonel
A third dimension is dirt capacity. As filters...

A third dimension is dirt capacity. As filters get dirty, they flow less air. A filter with a higher dirt capacity will flow more consistently over its maintenance interval. A lot of performance...
Forum: Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 03-02-2018, 08:19 PM
Replies: 34
Views: 11,302
Posted By lamawithonel
A light-weight spare capable of clearing a BBK...

A light-weight spare capable of clearing a BBK would be cool.
Forum: Engine, Exhaust, Transmission 01-09-2018, 12:13 AM
Replies: 38
Views: 14,899
Posted By lamawithonel
There's a lot of hard science out there on flame...

There's a lot of hard science out there on flame kernel propagation. Say what you will, there's pretty good consensus at this point. It's part of the reason the big auto companies have been looking...
Forum: Engine, Exhaust, Transmission 01-08-2018, 05:27 PM
Replies: 38
Views: 14,899
Posted By lamawithonel
For your consideration:...

For your consideration: https://doi.org/10.1016/j.asej.2012.09.006
Forum: Tracking / Autocross / HPDE / Drifting 07-13-2017, 10:38 PM
Replies: 43
Views: 6,918
Posted By lamawithonel
Kart Braking Coaching.wmv - YouTube

Kart Braking Coaching.wmv - YouTube
Forum: Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 06-28-2017, 09:42 PM
Replies: 120
Views: 28,775
Posted By lamawithonel
Hyperreality and the handicap principle.

Hyperreality and the handicap principle.
Forum: Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 06-09-2017, 11:07 PM
Replies: 64
Views: 26,258
Posted By lamawithonel
Size your wheels to your brakes, just large...

Size your wheels to your brakes, just large enough to clear. Anything larger is just extra weight, with a larger moment of inertia, reduced comfort, and reduced pot-hole/kerb protection for the rims....
Forum: Cosmetic Modification (Interior/Exterior/Lighting) 02-11-2016, 02:19 AM
Replies: 16
Views: 14,255
Posted By lamawithonel
Charvonia Design V1 Rear Diffuser

For those of you who remember the winner of the 2014 Scion FR-S Tuner Challange, the Speedhunters entry, you may also recall it had a sweet one-off rear diffuser. Well, it looks like they're finally...
Forum: Engine, Exhaust, Transmission 01-26-2016, 05:25 PM
Replies: 21
Views: 4,543
Posted By lamawithonel
Upsides: Lower fuel costs Reduced...

Upsides:


Lower fuel costs
Reduced emissions
Better specific energy (energy per unit of mass)
120-130 octane
Depending on your state, you might be allowed to use HOV lanes without a...
Forum: Engine, Exhaust, Transmission 07-17-2015, 09:02 AM
Replies: 365
Views: 120,078
Posted By lamawithonel
I won't involve myself in the debate over...

I won't involve myself in the debate over performance value, but I found this on the Subaru Canada site listed as a safety feature of the Outback (and implying it's standard across the fleet):

...
Forum: Engine, Exhaust, Transmission 06-16-2015, 09:23 AM
Replies: 45
Views: 17,506
Posted By lamawithonel
It depends... All else being equal,...

It depends...

All else being equal, straight-cut teeth are "weaker" than helical teeth. In a helical gear (diagonal-cut) the teeth gradually come together at the sides, rotating through and...
Forum: Engine, Exhaust, Transmission 05-30-2015, 02:16 AM
Replies: 733
Views: 295,506
Posted By lamawithonel
No, I haven't been following that closely. ...

No, I haven't been following that closely.

But I was thinking more like this.

Shark-skin surfaces for fluid-drag reduction in turbulent flow...
Forum: Tracking / Autocross / HPDE / Drifting 05-09-2015, 01:15 AM
Replies: 32
Views: 19,271
Posted By lamawithonel
@NotEric6...

@NotEric6 (http://www.ft86club.com/forums/member.php?u=98869),

On a lot of high-end cars the front splitter slopes upward into the inside edge of the wheel wells. Why do they do that, and would...
Forum: Tracking / Autocross / HPDE / Drifting 05-09-2015, 12:45 AM
Replies: 32
Views: 19,271
Posted By lamawithonel
Cutting a hole would vent air between the engine...

Cutting a hole would vent air between the engine bay and the wheel well. It's hard to say which would be higher pressure, but either way it's probably not worth it. If the engine bay is more...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-04-2015, 09:12 PM
Replies: 320
Views: 172,403
Posted By lamawithonel
Also why cars setup for the relatively slow,...

Also why cars setup for the relatively slow, switchbacking hill climbs tend to have such huge aero elements. Their straight-line speed doesn't matter as much.
...
Forum: Engine, Exhaust, Transmission 04-25-2015, 11:23 PM
Replies: 36
Views: 15,106
Posted By lamawithonel
There are two problems header wrap presents,...

There are two problems header wrap presents, corrosion and heat stress.

The corrosion problem occurs because thermal wraps are porous. If a wrapped header gets wet and it is not hot enough to...
Forum: Engine, Exhaust, Transmission 03-20-2015, 07:11 PM
Replies: 28
Views: 15,016
Posted By lamawithonel
Be careful what you get. There are two types of...

Be careful what you get. There are two types of ceramic coating, but only one works well as an insulator. Most vendors don't advertize which they use and most consumers don't know the difference,...
Forum: Forced Induction 03-05-2015, 10:35 PM
Replies: 58
Views: 19,996
Posted By lamawithonel
To the OP, I've always liked this quote:...

To the OP,

I've always liked this quote: "Noise is unused energy."
-- Dr. Wolfgang Ullrich, head of Audi Sport, commenting on why the R18 is so quiet...
Forum: Engine, Exhaust, Transmission 02-15-2015, 06:54 PM
Replies: 11
Views: 3,000
Posted By lamawithonel
I've been running about 800-1100F on mostly...

I've been running about 800-1100F on mostly highway and suburban streets. (35-70MPH cruising, very little stop and go, but a good deal of traffic.) Air temps have been 20s-40s, and I'm measuring...
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