NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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13BINFAMOUSREX 01-15-2004 11:33 AM

now let me ask you this....if i decide to go non turbo on an na 6 port with a bridge....i should still run 550 i suppose but can i keep the stock ecu??

13BINFAMOUSREX 01-15-2004 11:45 AM

"Or the 74-78 13b rotors are 9,2 C/R with 3mm apexs stock. only problem is the lower safe rpm limit."





hey ronin....you mentioned this earlier....what is there rpm limit at anyway?

g_dripht-alex 01-15-2004 11:48 AM


Originally Posted by 13BINFAMOUSREX' date='Jan 15 2004, 09:33 AM
now let me ask you this....if i decide to go non turbo on an na 6 port with a bridge....i should still run 550 i suppose but can i keep the stock ecu??

550's? for some reason for a BP you might need something bigger.

FaztAzzGXL 01-15-2004 11:52 AM

no you shouldnt run a stock ecu with a bridgeport.. I dunno if you can but i know you wont be able to get the power its supposed to be getting with the stock ecu. but yea you should use some s5 rotors.. I had some s5 turbo II rotors.. i just sold them about a month ago though

RONIN FC 01-15-2004 05:09 PM


Originally Posted by 13BINFAMOUSREX' date='Jan 15 2004, 09:45 AM
"Or the 74-78 13b rotors are 9,2 C/R with 3mm apexs stock. only problem is the lower safe rpm limit."





hey ronin....you mentioned this earlier....what is there rpm limit at anyway?

Someone correct me if i am wrong. I believe its 6500 redline on that *engine*, but that could be for other reasons other than the rotors now that i think of it.



Check with someone in the 1st gen section, their sure to know.Whatever rotors you go with, make sure you go with the counterweights to match.

1Revvin7 01-15-2004 06:21 PM


Originally Posted by 13BINFAMOUSREX' date='Jan 15 2004, 10:33 AM
1. what type of seals should i get??

2. what type of rotors should i run??

3. the manifold i have is for a t-4 housing.....do you guys recommend a smaller turbo?

4. what type of port?? (being that i'm goin turbo)

5. what should i use for fuel??...should i still use the 550's from a t2 or bigger??

6. what should i use for an ecu??

1. Stock mazda 2 piece, or aftermarket 2 piece. Don't waste your time on 3mm.

2. Whatever rotors you have. Running high compression rotors with a stock ecu is a bad idea. A couple members who have documented their experience on boosted 6 motor n/a motors have blown them running low psi on the stock turbo. If you want to be on the safe side just use s4 or s5 turbo rotors.

3. T4 is perfect, anything is smaller will choke.

4. Depends on what you want and what you are willing to sacrifice. A streetport would work fine. I would not recommend a bridgeport for you.

5. Depends on your turbo/porting/psi. For sure use stock t2 550cc primaries. 720/850 secondaries would be a good start. A walrbo 255lph fuel pump is a good idea also.

6. Don't play around with an n/a ecu, atleast use an t2 efu if not standalone. Piggybacks are just band-aids.

1Revvin7 01-15-2004 06:29 PM


Originally Posted by FaztAzzGXL' date='Jan 15 2004, 10:46 AM
I would say bridgeport but if your going to turbo it that can get pretty difficult to tune. I got the two stock NA injectors for primaries and I got 550cc turbo II injectors on the secondaries. you might want to change to a little higher flowing fuel pump too such as a walbro or something. a T4 turbo is perfect for that kinda set up. Im running a 60-1 TO4E.

Why would you recommend a BP for this guy? Its nothing for someone with lack of experience/knowledge/money.



You run 460/550 on a to4e 60-1 hyrbid? Is this also on n/a rotors? With a streetport to boot.

The max hp that would support is 220-238rwhp depending on static fp.

Not a smart move using such small injectors, and n/a ecu and a piggyback, even if you are running 3-5psi on that turbo. I just want the other members to know this is not a smart setup. I see you are not finished and plan on an e6x, ect, but you failed to mention this to others in this thread.

BigTurbo74 01-15-2004 10:54 PM

God, for a second there I thought I was in teamfc3s....

jspecracer7 01-16-2004 08:48 AM


Originally Posted by BigTurbo74' date='Jan 16 2004, 01:54 PM
God, for a second there I thought I was in teamfc3s....

LMFAO https://www.nopistons.com/forums/pub...1047683785.gif

rmaiersg 01-16-2004 02:06 PM

Hey, I got an idea. You want 13-14 1/4 mile times right? Buy a Turbo II, rebuild the engine if you really want to do that. You can do 13s no problems with a stock engine. You'll save yourself money in the long run as opposed to going with a turbo'd N/A. I may not be that experienced with it but it's a waste of time and money IMO.


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