Max Rpm

Started by Andy J Conroy, August 31, 2008, 04:45:21 PM

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Andy J Conroy

My rpm limit is set to 7,100rpm... can we run much more on our cars.. im running a t51r

karl_tate

i would be running alot more especially with that turbo :D
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Andy J Conroy

I was thinking that.. im not sure why its only been set to that.... full boost power bound is literally only 2rpm.... :(  
 
So what do you reckon? im taking it down to rotorworx in portsmouth soon.

FDAsh

Did you buy your car after a recent rebuild? Might have been set low to run in.

Some people also drop the limit on the PFCs when leaving their cars at a garage so the people there can\'t rape the car around. Might not have been changed up again.

karl_tate

as long as you know its all mapped and feel safe playing around with it then get it upped and the engine is strong, if not wait until you get it to reworx, they will sort you out.

i would say 8k maybe a bit more
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m1tch

If you check on streetfire, there is a video of an FC with a turboed 20B reving to 16k lol :) if you are needing to rev higher you would need to underdrive the waterpump so it doesn\'t cavitate and I don\'t know what you need to do to stop the OMP exploding lol plus make sure that you have a good fuel pump and injectors :)

20B_boy

Quote from: m1tch;529503If you check on streetfire, there is a video of an FC with a turboed 20B reving to 16k lol :)
Which will last for about 3 seconds unless you are very lucky :D The N/As racing in the southern hemisphere manage to squeeze 13K or so, but thats still **really** pushing it, and with as much trick internal work as you can envisage.
R.

m1tch

This 1:

http://videos.streetfire.net/vidiac.swf?video=97d6bc83-71c1-493c-8cf9-2060c2a20465" width="428" height="352" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
http://videos.streetfire.net/video/MPS-Mazda-RX7-3-Rotor-20B_39700.htm">MPS Mazda RX7 3 Rotor 20B Peripheral Port Turbo w/

http://videos.streetfire.net/vidiac.swf?video=50377b82-e4f5-4ff2-8918-ee5eac0089b5" width="428" height="352" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
http://videos.streetfire.net/video/MPS-Mazda-RX7-3-Rotor-20B_39701.htm">MPS Mazda RX7 3 Rotor 20B Peripheral Port Turbo w/

http://videos.streetfire.net/vidiac.swf?video=ee29bd25-a5e5-43f6-b983-bb892647e798" width="428" height="352" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
http://videos.streetfire.net/video/MPS-Mazda-RX7-3-Rotor-20B_39698.htm">MPS Mazda RX7 3 Rotor 20B Peripheral Port Turbo w/

karl_tate

i thought this might be the one :D thats 10k btw
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m1tch

Yeah, but thats only what he reved it to lol the shaded area is at 16 :D

Matt_K

Quote from: m1tch;529562Yeah, but thats only what he reved it to lol the shaded area is at 16 :D

And my 1.4 peugeot has 140mph clocks... doesn\'t mean it can get there :WaveBye

Nice sound tho at 10K

BlitzBoy

you can set the rpm limit to 8100k this what mist fds are set to, just check ya afrs
"Piston Killa" 3rd Gen\'94 \'Oldone Racing Full Bridge Ported REW 13b engine with SCR seals\'. HKS T51 KAI turbo BBM mapped Motec ECU

JDS/HKS Street Class Championship Runner up 2011
Rotorstock winner 08,09
http://pistonkilla.blogspot.com/
old spec HB T51 470 @ wheels @ 1.2 BAR, 555 @ fly 10.46 @ 130 @ 1.25 Bar
new spec FB T51 482 @ wheels @ 1.15 BAR, 570 @ fly

New Project
"el fénix" RX2 by Mark & Mark

hairyhoover

dont you need clearanced rotors to run that high?

m1tch

You would need lightened, clearanced and balanced rotors and probably a custom multipiece e-shaft me thinks. My FC doesn\'t have a limiter lol

Fendamonky

BlitzBoy is correct. 8100 is the magic number for stock FD\'s, if you\'re ballsy and your engine is in really good shape you may push 8500. You can easily change the rev limit with a PFC by going into the SETTINGS menu on the commander. I will be setting my revs to 3k (than removing the Commander) when I ship my car back to the states this winter.
 
I\'d be very leery of going above that w/o some serious modification (geared towards raising safe rev\'s) though...