Fuel Injector Info
07-28-2008, 10:51 AM
#28
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Injectors
Does anybody know where I can find high flow after market injectors for the rx8 for primary and secondary i was thinking about greddy or this other company i cant find teh name for right now, but i want reliable injectors and i was curious to see if i need to put in new rotors inside the engine, Im trying to get over 400whp out of my car naturally aspirated without having to turbo or supercharge my car. I've seen it done before and i'd rather do that first before i decide to twin turbo it and do a complete over haul. If anybody does find something, please let me know. Thanks
07-28-2008, 11:31 AM
#29
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Im trying to get over 400whp out of my car naturally aspirated without having to turbo or supercharge my car. I've seen it done before and i'd rather do that first before i decide to twin turbo it and do a complete over haul. If anybody does find something, please let me know. Thanks
Last edited by Socket7; 07-28-2008 at 11:46 AM.
07-28-2008, 11:55 AM
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Does anybody know where I can find high flow after market injectors for the rx8 for primary and secondary i was thinking about greddy or this other company i cant find teh name for right now, but i want reliable injectors and i was curious to see if i need to put in new rotors inside the engine, Im trying to get over 400whp out of my car naturally aspirated without having to turbo or supercharge my car. I've seen it done before and i'd rather do that first before i decide to twin turbo it and do a complete over haul. If anybody does find something, please let me know. Thanks
I wanna see where you had seen it done! Hell, pass it along...I think our race cars could benefit! Oh wait, I have seen this done too, cept I think the 8 had an LS1 swap...yeah that's it.
07-30-2008, 06:31 PM
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my bad it was a 20b NA with a few mods to get that, i feel like an idiot but hey id still like to try to get as much as possible. Why can't you attain 400whp in the renesis? i know these engines run better NA than forced induction cuz the seals dont bust, but theres gotta be a way to get more than that, and i dont want to swap an ls1 in it haha, i think sport compact car or tuner mag had a article a while back with an 1993-1996 model year RX7 with a small block in it which i thought was cool but also stupid cuz ur taking the fun away from the rotary. Also id like to find out waht an expected horsepower out put might be out of my car with the following...
greddy e-manage ultimate
high flow injectors
pully kit
intake
exhaust
high flow cat
light weight fly wheel
(i put in a clutchmasters fx100 cuz i didnt want to kill the stock feel)
I was figuring around 290-320whp
I am autocrossing this car and i put in 33mm front sway bars and i think 21mm in the rear from hotchkiss racing (they come with three settings, I only use the middle cuz thats all you need)
If i am way off base let me know, or if its attainable w/out forced induction i'd really like to know. Also i noticed the nissans VQ35 motors have dual intakes that you can get aftermarket, could you apply that to the rx8? as in split it so its ram air from the nose and cold air near the bottom, and would it be worth it? I'd like to use the stock motor and try to get as much as possible out of it before i swap for a 20b or even a R26b (4 rotor) the latter i dont think its street legal and runs for about $4000 from mazda.
greddy e-manage ultimate
high flow injectors
pully kit
intake
exhaust
high flow cat
light weight fly wheel
(i put in a clutchmasters fx100 cuz i didnt want to kill the stock feel)
I was figuring around 290-320whp
I am autocrossing this car and i put in 33mm front sway bars and i think 21mm in the rear from hotchkiss racing (they come with three settings, I only use the middle cuz thats all you need)
If i am way off base let me know, or if its attainable w/out forced induction i'd really like to know. Also i noticed the nissans VQ35 motors have dual intakes that you can get aftermarket, could you apply that to the rx8? as in split it so its ram air from the nose and cold air near the bottom, and would it be worth it? I'd like to use the stock motor and try to get as much as possible out of it before i swap for a 20b or even a R26b (4 rotor) the latter i dont think its street legal and runs for about $4000 from mazda.
07-31-2008, 12:29 AM
#34
my bad it was a 20b NA with a few mods to get that, i feel like an idiot but hey id still like to try to get as much as possible. Why can't you attain 400whp in the renesis? i know these engines run better NA than forced induction cuz the seals dont bust, but theres gotta be a way to get more than that, and i dont want to swap an ls1 in it haha, i think sport compact car or tuner mag had a article a while back with an 1993-1996 model year RX7 with a small block in it which i thought was cool but also stupid cuz ur taking the fun away from the rotary. Also id like to find out waht an expected horsepower out put might be out of my car with the following...
greddy e-manage ultimate
high flow injectors
pully kit
intake
exhaust
high flow cat
light weight fly wheel
(i put in a clutchmasters fx100 cuz i didnt want to kill the stock feel)
I was figuring around 290-320whp
I am autocrossing this car and i put in 33mm front sway bars and i think 21mm in the rear from hotchkiss racing (they come with three settings, I only use the middle cuz thats all you need)
If i am way off base let me know, or if its attainable w/out forced induction i'd really like to know. Also i noticed the nissans VQ35 motors have dual intakes that you can get aftermarket, could you apply that to the rx8? as in split it so its ram air from the nose and cold air near the bottom, and would it be worth it? I'd like to use the stock motor and try to get as much as possible out of it before i swap for a 20b or even a R26b (4 rotor) the latter i dont think its street legal and runs for about $4000 from mazda.
greddy e-manage ultimate
high flow injectors
pully kit
intake
exhaust
high flow cat
light weight fly wheel
(i put in a clutchmasters fx100 cuz i didnt want to kill the stock feel)
I was figuring around 290-320whp
I am autocrossing this car and i put in 33mm front sway bars and i think 21mm in the rear from hotchkiss racing (they come with three settings, I only use the middle cuz thats all you need)
If i am way off base let me know, or if its attainable w/out forced induction i'd really like to know. Also i noticed the nissans VQ35 motors have dual intakes that you can get aftermarket, could you apply that to the rx8? as in split it so its ram air from the nose and cold air near the bottom, and would it be worth it? I'd like to use the stock motor and try to get as much as possible out of it before i swap for a 20b or even a R26b (4 rotor) the latter i dont think its street legal and runs for about $4000 from mazda.
now to you idea of a 20b or a 26b. you dont have a clue as to what you are talking about. in all areas..
sorry that is harsh, but that is the truth..
good luck, prove me wrong..
beers
10-21-2008, 11:05 AM
#37
Fitting greddy turbo soon . I've read some notes on MM's site about injectors and realised that the way the injectors are staged means that I'll probably run lean when my turbo spools up around 3500 .
This is because my fuel management system cant do anything with the staging , it just adds fuel based on what the ecu does NA .
I'm thinking i should put some 480cc injectors in the secondary position to prevent this problem .
would this be the way to go ?
This is because my fuel management system cant do anything with the staging , it just adds fuel based on what the ecu does NA .
I'm thinking i should put some 480cc injectors in the secondary position to prevent this problem .
would this be the way to go ?
12-07-2008, 12:33 AM
#38
No distributor? No thanks
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I've seen some folks mention 4 pink injectors on the 4-port cars. Is there a chance that injectors have changed throughout the years? I ask because I'm trying to collect some injector info, and looking into rebuilding them on the side.
Can anyone tell me the Bosch or Denso PN molded into the side of the injectors? Of the three established injectors I've seen (4-port blue, 6-port primary red, 6-port secondary yellow) I'm curious if the Part Numbers have stayed consistent. If anyone has some lying around, please have a look and see if you can tell me the year, color, and PN. Thanks guys.
Can anyone tell me the Bosch or Denso PN molded into the side of the injectors? Of the three established injectors I've seen (4-port blue, 6-port primary red, 6-port secondary yellow) I'm curious if the Part Numbers have stayed consistent. If anyone has some lying around, please have a look and see if you can tell me the year, color, and PN. Thanks guys.
Last edited by Crit; 12-07-2008 at 02:14 AM.
01-01-2009, 10:30 PM
#42
The reds are nominally .76ms. The yellows are .69ms. The blues are .74ms.
This is all at SPT and 12v.
At 14v, the latencies go down to .60ms, .54ms and .61ms, respectively.
During cranking, the latencies can double and vary about 10% either way over the full range of fuel pressures.
When operated at high duty cycles, the latencies can increase by as much as 20%.
This is all at SPT and 12v.
At 14v, the latencies go down to .60ms, .54ms and .61ms, respectively.
During cranking, the latencies can double and vary about 10% either way over the full range of fuel pressures.
When operated at high duty cycles, the latencies can increase by as much as 20%.
01-01-2009, 10:37 PM
#44
I only have what I know. I don't have diagrams yet.
When I have it in paper, I'll put it up.
Because of how things have gone on this forum for so long, I refuse to discuss things that I don't have printed matter to work from, nor will I be able to provide data that runs contrary to my personal interests.
Too may vultures.
When I have it in paper, I'll put it up.
Because of how things have gone on this forum for so long, I refuse to discuss things that I don't have printed matter to work from, nor will I be able to provide data that runs contrary to my personal interests.
Too may vultures.
01-02-2009, 12:13 AM
#46
Super Moderator
Does any of this help, from my 2009 US WS Manual.
Or if you want me to look up anything else/scan let me know.
Or if you want me to look up anything else/scan let me know.
Last edited by ASH8; 01-02-2009 at 12:20 AM.
01-02-2009, 04:47 AM
#48
Super Moderator
02-28-2009, 11:18 PM
#50
Registered
Anyone got a picture of the injector wiring?
The diagram with the rear secondary and front P2 the same color wire has got me pissed off.
I have also been told the secondaries come from the wiring harness by themselves.
I guess I am just old school and can't see the difference between black with blue wire and black with blue wire......
A picture really is worth a thousands words here.
The ECU wiring does not match a 2007, I was going to cleverly use my LAN pinger to prove which wire goes where......
At least I did take a picture of the primaries.....
Of course I didn't touch those.....
Last edited by Rote8; 02-28-2009 at 11:22 PM.