2nd Generation Specific 1986-1992 Discussion

125 Shot on a 6 Port NA

Old 12-14-2005, 06:09 PM
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I've got an 88GXL with a RB "True" dual system. Looking to throw a 125 shot on it. I also have a MegaSquirt I v3 ready to go next monday. Just wondering what exactly the TB mod is, i hear about it everywhere, but with porting pictures speak more than words.. Port matching the L/M/U Manifolds is cake, I've got a spare set, and throttle body. Now if I go direct port to the middle manifold, is this a good idea or bad idea. Should I be using the MegaSquirt to handle the fuel side of this or go wet. Will my stock S4 trans hold to this if I don't launch with the jets active?
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Old 12-14-2005, 06:50 PM
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Hell I dont think your engine will hold up.
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Old 12-14-2005, 07:05 PM
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Originally Posted by fc3s4utnv' post='786731' date='Dec 14 2005, 07:50 PM

Hell I dont think your engine will hold up.




And youre the expert, despite what the experienced users posting in the FAQ have to say?
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Old 12-14-2005, 07:56 PM
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You mean to tell me you think a stock rotary engine will hold up to 125 shot of nitrous? Even on a wet shot I dont think it will.
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Old 12-14-2005, 10:44 PM
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Originally Posted by fc3s4utnv' post='786745' date='Dec 14 2005, 08:56 PM

You mean to tell me you think a stock rotary engine will hold up to 125 shot of nitrous? Even on a wet shot I dont think it will.




What experience do you have otherwise? What makes you an expert on the topic? So far all you have is an assumption, and not exactly a researched or well thought out one at that.
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Old 12-15-2005, 07:42 AM
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Originally Posted by KamakazieX' post='786716' date='Dec 14 2005, 07:09 PM
I've got an 88GXL with a RB "True" dual system. Looking to throw a 125 shot on it. I also have a MegaSquirt I v3 ready to go next monday. I've got a spare set, and throttle body. Now if I go direct port to the middle manifold, is this a good idea or bad idea. Should I be using the MegaSquirt to handle the fuel side of this or go wet.
I was gonna say to go dry with the megasquirt with that high a shot. But since your going direct port, go wet system. Id recommend you install them in the lim because that part of the manifold is the "wet" part. Meaning it is designed to flow air/fuel and doesnt have any dead spots where fuel/n20 can accumulate and cause an explosion back through the intake.



You also need to bring your timing back, but im sure you already knew that.
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Old 12-15-2005, 09:08 AM
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its definitely possible. Id say to follow ronin's advice. Use the LIM to do your direct port, and obviously start small and work your way up to the 125.



almost everyone in PR runs crazy N/A w/ NOS setups, might look for some of them on the forums.



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Old 12-15-2005, 08:38 PM
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Originally Posted by mazdaspeed7' post='786794' date='Dec 14 2005, 08:44 PM

What experience do you have otherwise? What makes you an expert on the topic? So far all you have is an assumption, and not exactly a researched or well thought out one at that.
Oh I forgot, Im a dumb kid that was born yesterday.





If it last congats.
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Old 12-15-2005, 08:52 PM
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Originally Posted by fc3s4utnv' post='787046 View Post
I was gonna say to go dry with the megasquirt with that high a shot. But since your going direct port, go wet system. Id recommend you install them in the lim because that part of the manifold is the "wet" part. Meaning it is designed to flow air/fuel and doesnt have any dead spots where fuel/n20 can accumulate and cause an explosion back through the intake.



You also need to bring your timing back, but im sure you already knew that.




I would never recommend a dry shot above 50 hp on a rotary. The MS doesnt have any effect on the dry nitrous kits. Dry kits raise the fuel pressure when spraying to add the extra fuel. Wet kit, direct port would be the ideal way to go, but a single fogger in the TB elbow will work adequately as well.
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Old 12-15-2005, 08:58 PM
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I just dont really see it holding up, yeah it will probably work for awhile, but long term, I just cant see it.
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