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Messages - cib24

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1
http://www.magnitude-events.co.uk/shop/rotary-owners-track-day-5th-july-2019/

https://fdoc.co.uk/blyton-park-track-day-24-august-2018/

After the success of the track day last August which a RX-7 owners participated in, Magnitude Events has secured a day at Blyton Park on 5th July 2019 solely for rotary car owners. There are about 11 cars signed up so far with a mix of FDs and RX-8s, and we will allow 24 cars total.

The event costs £179 and will be reduced to £160 if we sell out by 1st June (people will be refunded £19). It is open to ALL rotary cars no matter how old or whether a 13b is swapped into something else!

The ticket price includes the track day in club format (only 6 cars on track at a time so you don't need to worry about traffic!), breakfast, lunch, snacks and drinks, free photos and tuition. Quite a deal compared to your standard track day that isn't rotary exclusive.

Guest/passenger entry is £25 and if you want to bring a friend as an extra driver it is £40, meaning you can attend the day even if your car won't be leaving your garage!

Noise limit is 95 dB drive-by but they don't generally check unless your car is stupidly loud.

Blyton is a nice circuit that isn't very hard on your car and has nothing to hit so this event will also be a good way to introduce yourself and your car to a circuit and experience it's performance.

We intend to do some video work, record laps, etc.and share the day across the UK rotary forums and Facebook pages.

I hope we will see you there! Any questions, just ask below.








2
Hello,

I became a paying member on this site not long ago (I know I know). Anyway, I just cancelled my insurance with my previous provider as they wanted an extra £200 this year for some weird reason. I feel like anything north of £500 per year on a car like this which doesn't get driven that much is ridiculous. I haven't considered classic car insurance until now, but since the car is about to be 20 years old then I figure it's worth a try?

Who should I be calling for quotes? It seems that so many people can insure these cars stock or modified for under £400. Hopefully I have a shot.

Thanks for the help.

3
3rd generation RX-7's / Dyno Day at Jamsport: Results and Analysis
« on: November 14, 2018, 12:16:27 PM »
Hello, I figured that this information should be shared across the FD community. If you want to see a comparison against FDs with different setups from a stock 99-spec Bathurst to street ported twins to wild single turbo setups, AND a comparison of those results against one another then please have a look at the link below.

https://fdoc.co.uk/forum/threads/fd-oc-dyno-day-results-and-comparisons-04-nov-18.1905/


4
Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: July 26, 2018, 08:40:56 AM »
:)
You should convert your car into that spec and go racing at Santa Pod!

5
Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: March 19, 2018, 10:08:30 PM »
I like the new accomodation
Not mine! It was the detailer's neighborhood. Looks nicer than the area really is.

6
Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: March 19, 2018, 11:27:16 AM »
Correction. 60 hours.

7
Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: March 19, 2018, 11:04:48 AM »
Paint correction, detail and valet. Panels are about 90% or more defect free. Took about 69 hours to detail the whole car inside and out.

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Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: March 08, 2018, 10:18:35 PM »
What is up with that tail pipe?

9
Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: February 27, 2018, 04:12:42 PM »
RX-3s in drivable and 6/10 shape from Japan are already >£40k. One like that is probably >£50k.


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New to MRC - introduce yourself / Re: Old Member But New Poster With an RX4
« on: February 25, 2018, 05:04:58 PM »
How much for the yellow car?

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Rotary and General Chit-Chat / Re: TODAYS QUICK PIC
« on: November 25, 2017, 02:33:02 PM »
Wow, how cool apart from the wheels.

12
Thanks Clive. No worries. I will keep larger injectors in my back pocket but for now I'm going to try to run without any further upgrades.

Had a long chat with my tuner yesterday to discuss the results in more detail to try and better understand my tune's characteristics and to also contemplate why I showed such a strong result.

According to him (and other tuners I have asked for confirmation) my injector duty is fine and the tune is safe. There should be enough fuel across the entire map for safety and there is definitely enough across the transition (hence the 95% peak injector duty) to protect from detonating in that area where most cars on twins usually let go that are badly tuned. I asked how much room I have to play with colder temps and he said basically on a 0C day (we mapped when it was about 11-13C) you may see an extra 2% injector duty at the very peak. Further, we discussed if there is enough fuel if I boost spike. The fuel cut is set to about 1.15 bar, or another 0.1-0.15 bar above my current settings and thus there should be more than enough fuel to withstand a spike to the fuel cut level if that were to ever accidentally occur.

The Apexi Power FC is very strict in how it operates. It cannot read fuel pressure and it cannot compensate for a lazy or failed injector. It reads the IATs, TPS, O2 sensor (if you have it plugged in), water temp and not much else to determine which part of the fuel and ignition timing tables to utilise (which your tuner will adjust). If your fuel or ignition system is not functioning correctly then the Power FC won't know about it and you may run into issues which may cause pre-ignition or detonation. It is a pretty primitive system.

As for why I made such good power? Well, besides a good tune by my mapper which looks pretty well optimised judging by the graph with only a few small improvements that could be made to smooth the torque curve further, we think it might be the following:

Knight Sports Twin Tube Downpipe

The Knight Sports downpipe has the following dimensions: 60mm (2.36") x 2 pipes feeding into an 80mm (3.15") collector to attach to the mid pipe. This means that the downpipe itself has an internal surface area of somewhere around 90mm (3.54") before the collector.

By contrast, the most popular downpipe for twins, the HKS, has an internal surface area of 75mm (2.95").

After discussion, we believe the larger downpipe has more benefit than initially thought because there is initially less restriction in the exhaust system. However, we cannot say for sure whether the twin tube design itself also has benefits over an equivalently sized single dump like the Australian made SMB 90mm (3.54") downpipe.








Water injection but not too much water

As we know, water helps to keep intake temps cool so that the air entering the motor is more dense and you make more power since the ECU doesn't need to inject as much fuel and the combustion process is more efficient. However, there is evidence that too much water does have the effect of decreasing power by a couple percentage points and perhaps by running the smallest jet in the AEM kit I am running just enough to drop temps without having a small negative effect on hp. This might be good for a dyno run, but I won't know if I am injecting the right amount or too little until I do a track day next year and see how well it contains IATs and EGTs over a 15-20 minute period of abuse.

Anyway, that's our thoughts as to why the car was running so strong and surprised me a lot and surprised my tuner a little bit on the day. The larger downpipe and the right amount of water could be some differentiators. Or maybe, I have something else done to my car that none of us have noticed. Some secret engine builder sauce from Japan, even if my results are not necessarily out of the range of what's been evidenced by others around the globe with FDs over the past 20 years.

13
Rotary and General Chit-Chat / Re: This is Stunning.
« on: November 16, 2017, 07:14:45 AM »
I'm sure he will be running a vented bonnet so it won't matter.  ;)

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Rotary and General Chit-Chat / Re: This is Stunning.
« on: November 15, 2017, 11:27:24 PM »
This one is my favourite.

https://youtu.be/7Q0x0MzvG7Y

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Rotary and General Chit-Chat / Re: This is Stunning.
« on: November 15, 2017, 11:22:25 PM »
It doesn't need them. I bet it will be over 600hp N/A, maybe beyond 650. With lightened and balanced rotors and rotating assembly it will probably be redlining around 11,000 RPM.

It will be a monster.

Like these beauties.

https://youtu.be/KyKTcEEdv-Q

https://youtu.be/vEpcJ_PD5MY


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