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Yesterday, 01:31 PM
Replies: 82
Views: 8,159
Posted By rrjwilson

Decision changed. On the 1.6 as stated...

Decision changed.

On the 1.6 as stated earlier 232whp in perfect wonderful world but 232bhp is fine.
When she gets the new heart I'd love to hit 348whp but again 348bhp is fine.
This is...
Yesterday, 12:23 PM
Replies: 82
Views: 8,159
Posted By rrjwilson

SkidNation Reroute...

SkidNation Reroute (https://skidnation.com/product/mazda-mx5-miata-coolant-reroute-kit/)
Deatschwerks DW200 fuel pump...
02-11-2019, 06:06 AM
Replies: 33
Views: 2,013
Posted By rrjwilson

As you are a miata guy and this is just a toy run...

As you are a miata guy and this is just a toy run around go for a straight forward already done several times engine. The sort of click here to buy type package.
Fit it in your spare time so you...
Forum: Race Prep
01-30-2019, 08:36 AM
Replies: 530
Views: 126,085
Posted By rrjwilson

I genuinely leaned into my monitor and said in a...

I genuinely leaned into my monitor and said in a hushed tone "Ooooooooo".
How does this compare to the Quaife cost? I believe Emilio once ball parked it in the hardened gearset thread to be about $6k
01-25-2019, 01:14 PM
Replies: 30
Views: 20,568
Posted By rrjwilson

Out of curiousity if BP6D engines do not have...

Out of curiousity if BP6D engines do not have bearings from ACL what bearings do people use?
Also is the NBFL a different engine from the BP6D in the NB?

I ask because I've been paid and a NBFL...
Forum: Aerodynamics
01-15-2019, 07:21 AM
Replies: 20
Views: 2,207
Posted By rrjwilson

And big shock they have a splitter, flat floor...

And big shock they have a splitter, flat floor and diffuser. Marketing tat without good data comparison
Forum: Aerodynamics
01-14-2019, 01:16 PM
Replies: 20
Views: 2,207
Posted By rrjwilson

The low pressure created under the splitter will...

The low pressure created under the splitter will feed the floor and diffuser. So a flat floor will control the airflow more letting the diffuser be more efficient. Once again the floor is not...
01-14-2019, 07:11 AM
Replies: 40
Views: 3,769
Posted By rrjwilson

Living in Blighty 225/45/15 is basically...

Living in Blighty 225/45/15 is basically unavailable without some sort of ball tickling with a dealer. So what sizes are these tyre recommendations in?
205/50/15 I've seen and 195 mentioned but not...
Forum: Aerodynamics
01-14-2019, 06:48 AM
Replies: 20
Views: 2,207
Posted By rrjwilson

I think the article misses a trick to not be...

I think the article misses a trick to not be disregarded by keyboard warriors as it says its "100% untrue".
"We" have never stated a diffuser needs a flat floor simply that for it to reach its full...
Forum: Race Prep
01-11-2019, 07:25 AM
Replies: 13
Views: 1,665
Posted By rrjwilson

Cool

Cool
01-10-2019, 11:04 AM
Replies: 48
Views: 4,356
Posted By rrjwilson

Is it sonofthehill that is continually breaking...

Is it sonofthehill that is continually breaking 4th on track?
I remember a thread talking about getting hardened gearsets where someone came in and pictured a few of the several gearboxes he/she had...
Forum: Race Prep
01-10-2019, 08:28 AM
Replies: 13
Views: 1,665
Posted By rrjwilson

Bullet and Vegas obviously are in this category...

Bullet and Vegas obviously are in this category and I imagine you do not drive around clenching near full lock so what do you do?
Are they a perfect storm of parts so nothings touches? Is it so...
Forum: Race Prep
01-10-2019, 08:02 AM
Replies: 15
Views: 1,090
Posted By rrjwilson

Is it in all gears or just select one? I...

Is it in all gears or just select one?

I only ask because I read somewhere some forks are aluminium which expands making shifting a pain. Unfortunately i cannot remember off the top of my head...
01-02-2019, 10:13 AM
Replies: 18
Views: 1,623
Posted By rrjwilson

The only thing interesting in that ebay item is...

The only thing interesting in that ebay item is picture #5.
The rest is hogwash of the highest order.
If it was used by class winning folk it would be people on here and they would be selling it...
12-06-2018, 05:50 AM
Replies: 32
Views: 1,271
Posted By rrjwilson

https://www.miataturbo.net/diy-turbo-discussion-14...

https://www.miataturbo.net/diy-turbo-discussion-14/check-out-our-latest-turbo-mx5-video-98389/

Please see this for venting dump pipe through the hood.
TL;DR do not do it.
Forum: Aerodynamics
11-28-2018, 01:35 PM
Replies: 30
Views: 2,855
Posted By rrjwilson

Thats fine with me. I have a server rack in a...

Thats fine with me. I have a server rack in a custom cabinet venting through my roof with G8 HP hardware in the house as it is so this wouldn't change much from the day to day noise of that.

...
11-20-2018, 07:13 AM
Replies: 92
Views: 4,284
Posted By rrjwilson

This would give renewed evidence that 2.5" is way...

This would give renewed evidence that 2.5" is way to small but not change the result. This has long been proven.

Paraphrasing A. Graham Bell four stroke and forced induction books but "Engines...
Forum: Aerodynamics
11-19-2018, 01:01 PM
Replies: 30
Views: 2,855
Posted By rrjwilson

No. Literally everyone interested has stated this...

No. Literally everyone interested has stated this is to provided comparisons at best. You only have to read the few sentences in this thread to see that isn't what this is about.
11-19-2018, 08:44 AM
Replies: 92
Views: 4,284
Posted By rrjwilson

You are likely going to get roasted for this but...

You are likely going to get roasted for this but I will give you where I would go if i had any welding ability.

MKTurbo and Kraken are the cheapest reliable options out there dependent on global...
11-19-2018, 08:42 AM
Replies: 15
Views: 1,679
Posted By rrjwilson

.

.
Forum: Aerodynamics
11-19-2018, 06:11 AM
Replies: 30
Views: 2,855
Posted By rrjwilson

Considerations for later. No one thinks this is a...

Considerations for later. No one thinks this is a walk in the park. First of all we need some decent models. Then we can attempt to get some sort of analysis. Once we have this then we can attempt...
Forum: Aerodynamics
11-16-2018, 12:53 PM
Replies: 42
Views: 3,712
Posted By rrjwilson

Agreed but I think the reduction is due to...

Agreed but I think the reduction is due to reducing the separation of flow via smooth transition.
Maintenance of the corner between window and panel as you have done should allow air to feed along...
Forum: Aerodynamics
11-16-2018, 11:19 AM
Replies: 42
Views: 3,712
Posted By rrjwilson

The edges of where the soft top used to be not...

The edges of where the soft top used to be not covered by your main fastback area. I've highlight in green the locations i mean....
Forum: Aerodynamics
11-16-2018, 11:03 AM
Replies: 42
Views: 3,712
Posted By rrjwilson

Thats like saying everything is drag limited when...

Thats like saying everything is drag limited when you drop it from 30,000ft. Correct but not helpful.
This is only true because you have removed the things manufacturers and tuners use to stop bad...
Forum: Aerodynamics
11-16-2018, 08:11 AM
Replies: 42
Views: 3,712
Posted By rrjwilson

Top speed is a function of gearing and engine RPM...

Top speed is a function of gearing and engine RPM (as well as having as little drag to be not limited by that).

There will be (like ours with top down and top on/up) but they will be drag limited...
Showing results 1 to 25 of 291
 


 
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