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How much boost can they handle and a wierd idea

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Old 12-07-04, 11:20 PM
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Question How much boost can they handle and a wierd idea

Please excuse my ignorance, Im a noob. Well here goes, I have a recently acquired 13B from an n/a FC. I was wondering what kind boost the rotors can handle (If everything is tuned right, and I guess it really all depends on Apex seals rather than rotors?) Are the n/a rotors as strong as the turboII rotors? BTW I will be building and tuning my own ECU from Megasquirt if you havent heard of this PLEASE check it out it will save you alot of money and take alot of your time http://www.bgsoflex.com/megasquirt.html
I had planned on porting and boosting the 13B and putting it in place of the 12A that currently resides in my 81 rex but my engine in my 95 240SX just went and I am seriously considering putting the 13B in my 240. I would rather have the boosted 13B over an SR20DET. I cant afford an FD and have the 240sx so I figure I mightas well and have something that no one else with a nissan has. Just an idea, let me know what you guys think. Im puuting the flame suit on!
Old 12-07-04, 11:20 PM
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Question How much boost can they handle and a wierd idea

Just wondering if anyone has made thier own manifold on this site?

Last edited by my12arotary; 12-07-04 at 11:26 PM.
Old 12-07-04, 11:56 PM
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Originally Posted by my12arotary
Just wondering if anyone has made thier own manifold on this site?
Yes.
Old 12-08-04, 12:00 AM
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Stock rotors will handle well into 40 psi given proper tuning.
I would limit yourself to 16-18 psi on pump gas on the high-compression rotors, though.
The stock seals will all support over 800 hp.
N/A rotors are just as strong as the TII rotors.


Even as a rotary builder, tuner, and owner, I still wouldn't choose a 13B over a SR20 for a 240... No flame.
Old 12-08-04, 11:37 AM
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Thanks for the info, just curious why you would have the sr over the 13b
Old 12-08-04, 07:19 PM
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Originally Posted by my12arotary
Thanks for the info, just curious why you would have the sr over the 13b
Reliability. MUCH better reliability.
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