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Search: Posts Made By: rotarenvy
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12-04-2018, 01:52 AM
Replies: 260
Views: 45,771
Posted By rotarenvy

is the RTV sealant to hold the hose on or is it...

is the RTV sealant to hold the hose on or is it sealing around where it enters the manifold?
12-03-2018, 05:08 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

That looks good. either way you were getting...

That looks good.
either way you were getting good results with pressure drop and cooling. I think much of the problems with vertical intercoolers is from having the inlets and outlets on one side. ...
11-24-2018, 09:34 PM
Replies: 42
Views: 1,281
Posted By rotarenvy

Yes that dose look a lot different. why don't...

Yes that dose look a lot different. why don't you think the extra port area earlier in the cycle compensates for this?
11-24-2018, 08:18 PM
Replies: 42
Views: 1,281
Posted By rotarenvy

I wonder if this data was from a pre-production...

I wonder if this data was from a pre-production engine. animations indicate there should be a small flat area but in terms of crank rotation it is small. https://youtu.be/2g_mrbXYiCo
probably why...
11-24-2018, 06:29 PM
Replies: 42
Views: 1,281
Posted By rotarenvy

From the comparison of port area to crank angle...

From the comparison of port area to crank angle the speed that the port is closing doesn't appear to be that fast. the peripheral port opens and closes faster. So there is defiantly a limitation of...
11-16-2018, 06:11 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

can you share what this statement is based on? ...

can you share what this statement is based on?
most of the info I have read indicates the opposite from these style cores and they tend to be biased to one end. So much so that one local intercooler...
11-05-2018, 12:46 AM
Replies: 453
Views: 102,285
Posted By rotarenvy

Search for adaptronic.com Look for rx8 plug and...

Search for adaptronic.com Look for rx8 plug and play ecu. They claim it can make engine swaps easy and intergrates with the can bus.
11-04-2018, 08:15 PM
Replies: 453
Views: 102,285
Posted By rotarenvy

have you investigated an adaptronic ecu?

have you investigated an adaptronic ecu?
10-13-2018, 07:56 PM
Replies: 17
Views: 17,763
Posted By rotarenvy

what setting pid are you using?

what setting pid are you using?
09-21-2018, 10:27 PM
Replies: 1,179
Views: 210,133
Posted By rotarenvy

Thumbs up you know it :icon_tup: still it works just not...

you know it :icon_tup: still it works just not very polished or user friendly
one day I'll bite the bullet and get my car tuned.
09-21-2018, 08:18 PM
Replies: 1,179
Views: 210,133
Posted By rotarenvy

about two minutes when the mazda tech was busy on...

about two minutes when the mazda tech was busy on the phone. still cost an exorbitant about of money for idiots to try and diagnose the problem.



my spare time has only the value of being able...
09-21-2018, 07:01 PM
Replies: 1,179
Views: 210,133
Posted By rotarenvy

already bricked it, already fixed it. When...

already bricked it, already fixed it.
When Bluetooth can is available from china for about $14 AUD surely someone can do a quality can device for under $100 USD.It is the total package cost that...
09-21-2018, 05:46 PM
Replies: 1,179
Views: 210,133
Posted By rotarenvy

how about a more cost effective can device than...

how about a more cost effective can device than the tactrix open port?
08-18-2018, 09:38 PM
Replies: 18
Views: 3,546
Posted By rotarenvy

so whats the new method?

so whats the new method?
08-16-2018, 07:45 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

slightly disappointing. Were there any secret...

slightly disappointing. Were there any secret squirrel mods or was it just the screamer pipe and e50?
07-29-2018, 02:08 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

sorry missread your post about running e50 just...

sorry missread your post about running e50 just can't wait for more updates.
07-29-2018, 12:38 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

Are you changing any of the fuel lines when going...

Are you changing any of the fuel lines when going e85? Will it still be one line like the std system?
07-21-2018, 08:22 PM
Replies: 20
Views: 17,659
Posted By rotarenvy

Can torqe log injector duty cycle? Has anyone...

Can torqe log injector duty cycle? Has anyone hot a pid to do this?
07-09-2018, 12:46 AM
Replies: 167
Views: 17,611
Posted By rotarenvy

so what is it that the current version can't do?...

so what is it that the current version can't do? they make it look like you can run two O2 sensors from the ecu or take externally controled O2 inputs from CAN.
05-25-2018, 11:37 PM
Replies: 51
Views: 8,600
Posted By rotarenvy

post a pic of the front mounting plate. after...

post a pic of the front mounting plate. after looking at the red mounting plate I still think there would be two holes on the bottom left of it for it to bolt on to.

doese look like it is missing...
05-25-2018, 09:34 PM
Replies: 51
Views: 8,600
Posted By rotarenvy

it's the air conditioner belt pulley. look for...

it's the air conditioner belt pulley. look for two holes on your sc mounting plate over on the left (.au passenger side) of the engine :dunno:

now that I have seen this
...
04-10-2018, 06:03 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

Thanks again it's great to have the opinion of...

Thanks again it's great to have the opinion of someone with experience.
So are you going to chase more power?
04-07-2018, 07:08 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

no worries just curious on what has been tried. ...

no worries just curious on what has been tried.

A question on tuning... Can 16psi be run on high octane without ethanol? if you run really rich and retard the timing?

This is mainly a question...
04-07-2018, 12:42 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

Thanks that clears it up. is it making the...

Thanks that clears it up.

is it making the ports smaller that helps or is it the latter opening timing?

any pics of the custom sleeve?
04-06-2018, 11:38 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

ok now I get you. porting makes this worse....

ok now I get you. porting makes this worse. blocking the air injection and a tighter fitting custom sleeve might help tho.
04-06-2018, 11:13 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

this is the bit I'm not getting. so your saying...

this is the bit I'm not getting. so your saying when the sleeve is saturated the exhaust flows around the sleeve between the chambers to create the reversion?




I'd love to try but the cost...
04-06-2018, 10:06 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

so the restriction is at the point of minimum...

so the restriction is at the point of minimum cross section. still reversion will only occur when either chamber has a lower pressure than exhaust back pressure. yes it will probably will still occur...
04-06-2018, 08:47 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

so you force more exhaust to use the outerports. ...

so you force more exhaust to use the outerports.

I can't see this flow reversion happening to the same extent on an SC car as the flow will take the easiset path and vent to close to atmospheric...
04-06-2018, 07:47 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

did you modify the port inserts? how did you get...

did you modify the port inserts? how did you get 0.6 more port area from the siamese insert?
04-06-2018, 07:28 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

Can you share pics of your exhaust port...

Can you share pics of your exhaust port modifications?
04-06-2018, 01:07 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

have you already ported the exhaust ports and...

have you already ported the exhaust ports and sleeves?
03-10-2018, 10:45 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

but that flow rate would have be influenced by...

but that flow rate would have be influenced by rpm, boost and backpressure and a whole lot of other related factors. Do you find a definate limiting point and how do you spot it?
03-10-2018, 07:23 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

I suppose I'm getting back to your comments in...

I suppose I'm getting back to your comments in this post https://www.rx8club.com/showpost.php?p=4826030&postcount=1339
where you think the exhaust ports are overwhelmed rasing combustion pressure....
03-10-2018, 05:58 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

Thanks for sharing. Those indicators sound...

Thanks for sharing.
Those indicators sound like they indicate limitations in the turbine and plumbing?
What about combustion pressure, how do you judge that?
03-10-2018, 05:24 PM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

How are you judging the engines comfort level? ...

How are you judging the engines comfort level? Is it just back pressure? Is there any other signs like exhaust temp?

Can you run more boost or rpm?
03-04-2018, 12:37 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

I feel a big rush of power around 7250rpm. Maybe...

I feel a big rush of power around 7250rpm. Maybe it's just a coincidence?
03-04-2018, 12:09 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

you mentioned that combustion pressures spike and...

you mentioned that combustion pressures spike and thats the reason you limit rpm. is that influenced by backpressure?

do you feel that the VDI contributes much in your setup?
01-12-2018, 06:44 PM
Replies: 180
Views: 10,923
Posted By rotarenvy

good luck TeamRX8. It's an interesting build...

good luck TeamRX8.
It's an interesting build and I'm looking forward to seeing the fabrication of the components. I do admire and apreciate the fabrication you do with the intakes and exhaust work....
01-10-2018, 03:40 AM
Replies: 180
Views: 10,923
Posted By rotarenvy

All that paper talks about is how low boost...

All that paper talks about is how low boost systems run at higher bost cause excessive back pressure. They are talking about 3:1 back pressure and how it causes problems.
01-07-2018, 06:54 PM
Replies: 180
Views: 10,923
Posted By rotarenvy

dunno they are still making 400hp. from the pac...

dunno they are still making 400hp. from the pac web site "The Pac Performance Stage 4 upgrade is the same package as used on the Mazda Australia Targa Tasmania cars ...". You don't start with the low...
01-07-2018, 05:38 PM
Replies: 180
Views: 10,923
Posted By rotarenvy

what makes the 4port a good choice for turbo? ...

what makes the 4port a good choice for turbo?

is it more room from the simple inlet manifold or is it the port timing amd more scope to port the motor?

now with the new adaptronic the ease of...
01-07-2018, 04:30 PM
Replies: 180
Views: 10,923
Posted By rotarenvy

most of these are only valid if you have a...

most of these are only valid if you have a difficult engine bay. The rx8 has such easy front mount or v-mount piping there is no need for complex piping. The length of piping on a front mount on the...
01-07-2018, 05:04 AM
Replies: 29
Views: 2,895
Posted By rotarenvy

novel idea to stratify the charge. 10% is a good...

novel idea to stratify the charge. 10% is a good improvment.

is it just leaking out of the aux ports?
01-05-2018, 11:36 PM
Replies: 67
Views: 24,874
Posted By rotarenvy

Will grounding onto the knock sensor either under...

Will grounding onto the knock sensor either under or on-top affect the sensor?

I read on rx7club most are just grounding to one of the housings and not both.

Whats everyones oppinion on the...
01-05-2018, 05:34 AM
Replies: 1,797
Views: 159,204
Posted By rotarenvy

search for rx8 7163 and there is someone posting...

search for rx8 7163 and there is someone posting on youtube with a series 2 with that turbo.
12-02-2017, 04:47 AM
Replies: 7
Views: 1,063
Posted By rotarenvy

the plate only goes on one way. if it is a...

the plate only goes on one way.

if it is a rebuilt motor can the mounting hub be installed out of phase? I have never looked into this. I would imagine there is some sort of key system to get the...
11-28-2017, 04:29 PM
Replies: 167
Views: 17,611
Posted By rotarenvy

For TC it just uses acelerometers? so all...

For TC it just uses acelerometers?

so all the factory wheel speed senors must be wired to the traction control module?

Will the TC implimentation be individual wheel braking and engine power...
11-24-2017, 05:35 AM
Replies: 167
Views: 17,611
Posted By rotarenvy

After watching the video again it mentions the...

After watching the video again it mentions the MAF is hooked up.

if they can guarantee the stability control will function down the track I think I will be getting one.
11-23-2017, 04:31 PM
Replies: 167
Views: 17,611
Posted By rotarenvy

the injector balance issue may be more apparent...

the injector balance issue may be more apparent on old injectors and engines :dunno:

tuning per-rotor needs injector trim tables. it has enough O2 inputs.


this is also a MAP based fuel...
11-23-2017, 04:50 AM
Replies: 167
Views: 17,611
Posted By rotarenvy

It certainly is feature packed. no DSC "yet" I...

It certainly is feature packed.
no DSC "yet" I hope they deliver on that promise. I think i'll be hanging back and seeing how it pans out.

sounds like there could be lots of dyno time involved...
Showing results 1 to 50 of 481
 


 
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