What have you done to your RX-8 today????

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Scartlead
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Re: What have you done to your RX-8 today????

Post by Scartlead » Thu Mar 14, 2019 4:21 pm

How does it sound?
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Re: What have you done to your RX-8 today????

Post by Bigblueknight3k » Thu Mar 14, 2019 8:25 pm

Work continues
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Re: What have you done to your RX-8 today????

Post by mi60o0 » Thu Mar 14, 2019 8:40 pm

Scartlead wrote:
Thu Mar 14, 2019 4:21 pm
How does it sound?
I give it a drive to the shops today etc is to quiet wow and pops and bangs are like fart. I'm waiting for my spare o2 sensor to turn up and fit the decat.
So wil be bethet.
Positive note I can hear the passanger inside nice and clear
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Re: What have you done to your RX-8 today????

Post by johnbb99 » Fri Mar 15, 2019 11:56 am

Tyre pressure monitor system.
**Today is the last day to buy these at about £19 instead of £46**
https://www.banggood.com/Car-Solar-Wire ... rehouse=CN
I have been trying out one of these for a week or so.
TPMS 2.jpg
I have checked its readings against the Mazda-supplied electric tyre inflator and they all agree.
It's perhaps a pity it doesn't display a second digit of bar pressure. It has a solar panel on the top so if you install it under your windscreen it will keep the unit charged if there's enough sunlight on it. It also has a USB charging port, and comes with a cable.
It is supplied with a double sided sticky pad for fixing it on your dashboard but as the Rex has no flat surfaces that is not very effective.
I realise it's not the coolest looking accessory you could fit in your RX8, but I like the fact that I can see immediately if a tyre pressure is wrong.
The sensors each have a 3V lithium coin cell and screw onto the tyre valve. You use a nut already threaded on the valve to lock the sensor onto the tyre valve. That way they cannot be removed with just your fingers but all you need is the appropriate size spanner and they could be stolen.
Sensor.jpg
The smaller digits are tyre temperature [apparently!].
Another downside is that you have to remove the sensor to access the valve to inflate the tyre [or check it with another gauge].
Incidentally, our family car is a Mazda 6 estate which has a TPMS built into it which relies on counting rotations of the wheels to detect if one tyre's pressure is high or low. This system has been giving false alarms which the dealer has been unable to sort out so I shall be buying another one of these to fit in that car.
John -- giving some TLC to a 2006 Winning Blue 231. Mouse Mat Mod & LED sidelights. Fitted the Rotary Revs Coil kit. PZ suspension and Sohn kit fitted. Next: replace rusty sump, then oil cooler pipes.

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Re: What have you done to your RX-8 today????

Post by warpc0il » Fri Mar 15, 2019 12:26 pm

Have you weighed the valve sensors?

I'd be a bit concerned not by them impacting the overall wheel balance, unless they're really heavy, but the forces they might be applying to the valve housing when at speed.

Fancy valve caps can cause leaks as they wiggle the valve housing within the wheel.
This shouldn't be a problem with new tyres, as the valves usually get replaced, but with older tyres the valve housing can get hard and more brittle.
Also, if the housing gets wiggled about this can allow road salt to collect around the base creating corrosion.

At least if any of this results in a loss of pressure....
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Re: What have you done to your RX-8 today????

Post by johnbb99 » Fri Mar 15, 2019 12:43 pm

I haven't considered that issue, Dave, and will weigh them later today.
John -- giving some TLC to a 2006 Winning Blue 231. Mouse Mat Mod & LED sidelights. Fitted the Rotary Revs Coil kit. PZ suspension and Sohn kit fitted. Next: replace rusty sump, then oil cooler pipes.

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Re: What have you done to your RX-8 today????

Post by bigpete8 » Fri Mar 15, 2019 1:38 pm

Abandoned her on the top floor of multistory (yesterday) picking her up later if my train back from Birmingham runs/isn't delayed /isn't too full
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Trying run on a budget to keep the noise level down - from the missus!

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Re: What have you done to your RX-8 today????

Post by Dr. FrankenRex » Fri Mar 15, 2019 1:59 pm

johnbb99 wrote:
Fri Mar 15, 2019 11:56 am
Tyre pressure monitor system.
**Today is the last day to buy these at about £19 instead of £46**
https://www.banggood.com/Car-Solar-Wire ... rehouse=CN
I have been trying out one of these for a week or so.

TPMS 2.jpg

I have checked its readings against the Mazda-supplied electric tyre inflator and they all agree.
It's perhaps a pity it doesn't display a second digit of bar pressure. It has a solar panel on the top so if you install it under your windscreen it will keep the unit charged if there's enough sunlight on it. It also has a USB charging port, and comes with a cable.
It is supplied with a double sided sticky pad for fixing it on your dashboard but as the Rex has no flat surfaces that is not very effective.
I realise it's not the coolest looking accessory you could fit in your RX8, but I like the fact that I can see immediately if a tyre pressure is wrong.
The sensors each have a 3V lithium coin cell and screw onto the tyre valve. You use a nut already threaded on the valve to lock the sensor onto the tyre valve. That way they cannot be removed with just your fingers but all you need is the appropriate size spanner and they could be stolen.

Sensor.jpg

The smaller digits are tyre temperature [apparently!].
Another downside is that you have to remove the sensor to access the valve to inflate the tyre [or check it with another gauge].
Incidentally, our family car is a Mazda 6 estate which has a TPMS built into it which relies on counting rotations of the wheels to detect if one tyre's pressure is high or low. This system has been giving false alarms which the dealer has been unable to sort out so I shall be buying another one of these to fit in that car.
I had this set, the only problem I found is that one or two of them induced slow leaks in to the system. I have since removed them and the leaks stopped :thumleft:
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Re: What have you done to your RX-8 today????

Post by Eddie_r32 » Fri Mar 15, 2019 2:01 pm

I to had this set and we're great until they started playing up and telling you suddenly the pressure dropped when it didnt
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Re: What have you done to your RX-8 today????

Post by johnbb99 » Fri Mar 15, 2019 2:18 pm

Oh rats!
John -- giving some TLC to a 2006 Winning Blue 231. Mouse Mat Mod & LED sidelights. Fitted the Rotary Revs Coil kit. PZ suspension and Sohn kit fitted. Next: replace rusty sump, then oil cooler pipes.

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Re: What have you done to your RX-8 today????

Post by northerner69 » Fri Mar 15, 2019 6:45 pm

passed mot with a bit of hassle but another year of rx enjoyment!

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Re: What have you done to your RX-8 today????

Post by exiled--viking » Fri Mar 15, 2019 10:21 pm

Nothing but I did see this when picking up my new ride in lem/spar :D


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Re: What have you done to your RX-8 today????

Post by sKenDread » Sat Mar 16, 2019 2:04 pm

Well it's warming up now but bugger it. It's been nagging me all winter. Finally I can have that 'I feel as if I've p****d myself' feeling again ImageImageImage

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Re: What have you done to your RX-8 today????

Post by mi60o0 » Sat Mar 16, 2019 2:12 pm

Swap interior with black one
Out red and black
In just black.
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Re: What have you done to your RX-8 today????

Post by Bigblueknight3k » Sat Mar 16, 2019 2:29 pm

New shine rad and new 220w fans 12" ImageImage

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Re: What have you done to your RX-8 today????

Post by mi60o0 » Sat Mar 16, 2019 2:43 pm

Bigblueknight3k wrote:
Sat Mar 16, 2019 2:29 pm
New shine rad and new 220w fans 12" ImageImage

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Just a tip cut open top bracket and you can slide in or use longer and thinner bolt and washers to keep it solid at little angle.
I had fitting issues with mine just the top part.
And now I sell it I'm saving for simco purple hoses and koyorad
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Re: What have you done to your RX-8 today????

Post by Eddie_r32 » Sat Mar 16, 2019 3:08 pm

I'd be wary of messing with stock fans, I have done and the stock set up take a lot of beating
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Re: What have you done to your RX-8 today????

Post by Scartlead » Sat Mar 16, 2019 3:12 pm

I'd be wary of buying a mishimoto rad, in that fitment is a PAIN!
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Re: What have you done to your RX-8 today????

Post by Scartlead » Sat Mar 16, 2019 3:13 pm

On a lighter note :) Left some parts in to be carbon dipped. Not sure if its chav or not, but hopefully tastefully done :)
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Re: What have you done to your RX-8 today????

Post by Bigblueknight3k » Sat Mar 16, 2019 5:29 pm

Thanks for the tips i will get it to fit lol and these fans are bigger and more power than standard ones also more cfm

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Re: What have you done to your RX-8 today????

Post by warpc0il » Sat Mar 16, 2019 5:36 pm

The PCM's control of the OEM fans is very complex, managing the correct cooling, not too hot, not too cold, and the alternator load, all at the same time. No aftermarket solution is going to be able to match that.

The oem fans even have a different number of blades to ensure that there can't be a resonance beat vibration created.

If you're use of the car is fundamentally different, e.g. building a track or drift car, then the oem solution may not be best for you.
Otherwise, any change is a downgrade.
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Re: What have you done to your RX-8 today????

Post by Bigblueknight3k » Sat Mar 16, 2019 5:44 pm

Well battery is new 550cca 65a plus the ecu picks up if its dropped in temp and turns them off faster cooling has got to be better than boiling the engine as we know they hate it

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Re: What have you done to your RX-8 today????

Post by warpc0il » Sat Mar 16, 2019 5:58 pm

I'm not aware of any Renesis boiling, unless there was a fault.
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Re: What have you done to your RX-8 today????

Post by Bigblueknight3k » Sat Mar 16, 2019 6:12 pm

In the hot summer in traffic with air conditioning on the fans were on a fair bit and temps were getting close

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Re: What have you done to your RX-8 today????

Post by mi60o0 » Sat Mar 16, 2019 6:44 pm

Temps in traffic up to 100 is okay isn't it?
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