What is the best combination of rotary plates to use ?
#1
Rotarycoupe
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What is the best combination of rotary plates to use ?
Friends.
I am after all information on which is the best possible combination off stock mazda rotary intermediate and front and rear plates to use in a rebuild.Which are the stock plates with the best runners etcc.I have heard off R5 13B old style plates etcc.
All links and info is welcome.I dont want to port my plates and looking for the best combo on stock plates mazda made.
thanks and you can e-mail me to: maury_wiels@yahoo.com
I am after all information on which is the best possible combination off stock mazda rotary intermediate and front and rear plates to use in a rebuild.Which are the stock plates with the best runners etcc.I have heard off R5 13B old style plates etcc.
All links and info is welcome.I dont want to port my plates and looking for the best combo on stock plates mazda made.
thanks and you can e-mail me to: maury_wiels@yahoo.com
#2
Collections Hold
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I would vote all 13b-re plates from the 91-up JDM cosmo. You can get the engine for $1000 in longblock form and sell off everything you dont need. Or get the plates only from Japan2la, he always has sets in stock. The runners move massive air if you are trying to go for 210+ rwhp.
#6
Rotarycoupe
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Friends.
can you give me more details on stock power on these FD plates you talk about ? Whats the combination to use,rotors etccc.I want to go carby and not injection.
All info with any pictures welcome.
can you give me more details on stock power on these FD plates you talk about ? Whats the combination to use,rotors etccc.I want to go carby and not injection.
All info with any pictures welcome.
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#9
Rx2 > FD
iTrader: (10)
i met a guy talking about using FD housings with TII end plates and a renesis center plate. supposedly makes great power and is already being ran in PR. not sure though...but a lot of inovative and crazy combos come from people in PR and austraila...
sounds a little wierd to me though. remember, the renesis has the exhaust port on the plates.
sounds a little wierd to me though. remember, the renesis has the exhaust port on the plates.
#14
Full Member
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I made 215whp.
51 weber home made.
FD irons bridge ported @ home
RB FD intake for weber carb
S4 rotor assy.
T2 S4 rotor housing poerted for turbo eng. (thats what I had)
RB header , Y collector with megaphone (outlet 3 1/2'')
dynomax muffler
lightweight steel flywheel.
but I didn't use the 13bre plates because I wanted to keep stock eng mount position. my car is an FD.
I didn't use S5 rotors because they are to hard & expensive to find.
anyway I have a set of FD bridge ported iron plates and S5 scallop rotors done by CLR. can't wait to built and see how many HP will I gain.
51 weber home made.
FD irons bridge ported @ home
RB FD intake for weber carb
S4 rotor assy.
T2 S4 rotor housing poerted for turbo eng. (thats what I had)
RB header , Y collector with megaphone (outlet 3 1/2'')
dynomax muffler
lightweight steel flywheel.
but I didn't use the 13bre plates because I wanted to keep stock eng mount position. my car is an FD.
I didn't use S5 rotors because they are to hard & expensive to find.
anyway I have a set of FD bridge ported iron plates and S5 scallop rotors done by CLR. can't wait to built and see how many HP will I gain.
#15
Dustin Becktold
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can you not use the high comp rotors out of an RX8 in something like a S4 NA or S5 NA? 8's have like a 10:1 comp ratio. and then also use the 8's e-shaft since it's a full 1 pound lighter and cheaper then any other. i'm speaking strictly for a NA engine here because that's what he is asking about.
#16
Rx2 > FD
iTrader: (10)
there hasnt been any really advantages in HP for the rx8 rotors in older 13bs. but they are lighter. so this is a big advantage. the higher compression wasnt really done for the power increase. it was mostly a emissions thing...
for me, i like the renesis all the way. 236 NA unported and completely stock! people have made 260 with intake, exhaust, and a tune! and people are bridging these now!
cant beat it...
for me, i like the renesis all the way. 236 NA unported and completely stock! people have made 260 with intake, exhaust, and a tune! and people are bridging these now!
cant beat it...
#17
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So, if I use S4 N/A irons, S5 N/A rotors, S4 e-shaft, and rtek 2.0, with medium streetport, I'd be making ok power, and also reliablility will be ok because of its compression? Lets say that I get it properly tuned, so it won't be a huge deal about the tune.
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
Last edited by lonetlan; 06-26-09 at 04:02 AM. Reason: eh, tuning is already answered
#18
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ha ha why... im crazy
So, if I use S4 N/A irons, S5 N/A rotors, S4 e-shaft, and rtek 2.0, with medium streetport, I'd be making ok power, and also reliablility will be ok because of its compression? Lets say that I get it properly tuned, so it won't be a huge deal about the tune.
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
#19
Rallye RX7
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So, if I use S4 N/A irons, S5 N/A rotors, S4 e-shaft, and rtek 2.0, with medium streetport, I'd be making ok power, and also reliablility will be ok because of its compression? Lets say that I get it properly tuned, so it won't be a huge deal about the tune.
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
I read on another thread that if you weigh an engine with an Rx8 e-shaft, it doesn't really do much. But I'd still feel good about saving a pound!
#20
Dustin Becktold
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higher comp would raise the emissions, NoX would go up noticably along with HC because you'd be putting more fuel in to try and cool the charge down. i believe they raised it for the power increase and isn't 236hp what Mazda claimed in the beginning and then offered people money back because it didn't even crack 200 on a real dyno?
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