2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

H20 Treatment Question

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Old May 17, 2006 | 07:02 PM
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H20 Treatment Question

Hey guys, I've got an 87 GXL, and I'm wanting to do the H20 cleaning trick.. I read up on it and I know you have to pull one of the vac hoses off and put it in a bottle of water, Can anyone be nice enough to take a picture of the hose and maybe circle it in paint or something? I'd appriciate it =)
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Old May 17, 2006 | 11:38 PM
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Bump...Yeah, I've read up on the ATF trick. My engine seems to have alot of life left in it. very peppy and loves to be revved. But I was going to do the water trick just to give it some extra health...Can anyone send me a pic of what hose to unplug? =)
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Old May 17, 2006 | 11:57 PM
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HimniRacing says it's getting stupid putting water and **** in there and he recommends Amsoil Power Foam.
GuitarJunkie says GM top engine cleaner.

Here's mine:


• Seafoam Treatment on Rotary Engine. (didn't find Amsoil or GM)

This ****** Smoked Alot.
More than what you see in the video.
That's just the clearing process since I was up by the engine bay feeding the Vacuum lines with SeaFoam.
I put a clamp on the throttle so it would stay at about 2500RPM, then redlined it in the backroads...
I don't know what that smoke is all about.
I mean burning some type of chemical will smoke. I don't know if they were the damn carbon bullshit.

My Compressions are 110PSI for both rotors
Some JackAss told me I had 85 like 2 yrs ago. and He was supposed to be a RotorHead. He Probably Lied To me Big Time. But Why? My compressions are about right. 2 of us checked it, and the car wasn't fully warmed to the Normal Temp. About 5 Mins Idle.
(Cold Engines show less compression )


V I D E O





NKG SPARK PLUGS AFTER SEAFOAM TREAMENT
Carbon/Fouled up.



Comparison: Old/New
Right one is the virgin, as you can see the hole is tighter than the left.



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Old May 18, 2006 | 12:03 AM
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From: Fort Lauderdale
Originally Posted by LAN
[size=1]
My Compressions are 110PSI for both rotors
Some JackAss told me I had 85 like 2 yrs ago. and He was supposed to be a RotorHead. He Probably Lied To me Big Time. But Why?
He probably wanted to sell you on a rebuild. Dont worry. Even though its dishonest, its common to be lied to. Mazda will tell you dont have any compression (even if you drove your car there) and you need a rebuild to drive home.... lol. I remember they told me to get a remanufactured engine b/c the cold start on my throttle body was messed up and it was friggin my idle. lol
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Old May 18, 2006 | 12:08 AM
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Hey, wouldnt mind seeing that pic of the vac hose ether... I know its suposed to be one that goes to the intake, but theres like a million of them... which is the best one?

Why not put it into a spray bottle and spray it directly into the intake?
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Old May 18, 2006 | 12:21 AM
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Originally Posted by MrFC3S
Hey, wouldnt mind seeing that pic of the vac hose ether... I know its suposed to be one that goes to the intake, but theres like a million of them... which is the best one?

Why not put it into a spray bottle and spray it directly into the intake?
when you "steam clean" your motor, you measure in gallons not squirts ;-)
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Old May 18, 2006 | 07:46 AM
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FSM 4A-5.

To the immediate right of where the Sub-zero starting fluid valve is POINTING TO (not where the text is located).

If you haven't seen it before:
Originally Posted by www.rotaryresurrection.com
To perform this, I use a gallon jug of water and a long vacuum hose, say 3 feet. Though this is different for nearly every year and model, the underlying goal is to find 1 or 2 vacuum nipples on the intake manifolds after throttle body, preferably on the lower intake manifold so that the water can run straight down into the block. You want to feed both front and rear rotors evenly…generally you have 4 intake runners, 2 for the front, 2 for the back. Some engines have one nipple that can feed both (s4 turbos, for example, have one above the BAC valve that is evenly split between F and R primary runners). Some engines (fd’s and s5 na’s for example) have 2 separate nipples that can be teed together externally (vacuum hose and tee) to evenly feed both rotors.
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Old May 18, 2006 | 01:02 PM
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From: Orlando, FL
Anyone Have a picture of which hoses to unplug on an S4 GXL? (87)
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Old May 18, 2006 | 01:15 PM
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Ok you don't need a picture, it is the TOP hose on the front of the intake.. Big fat top hose if you are staring at it from the front.
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Old May 18, 2006 | 01:18 PM
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Originally Posted by RRTEC
Ok you don't need a picture, it is the TOP hose on the front of the intake.. Big fat top hose if you are staring at it from the front.
Assuming he has the OMP system still in place. Since I took mine off I didn't even think about that one.
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Old May 18, 2006 | 01:18 PM
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https://www.rx7club.com/2nd-generation-specific-1986-1992-17/water-h2o-trick-525074/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/need-help-water-treatment-87-5-na-520809/
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Old May 18, 2006 | 02:02 PM
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From: Spring Hill TN 37174
Huh.. I always used the top fat hose, worked well. Good luck with it.
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Old May 18, 2006 | 08:59 PM
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Alright, I did it just like you guys said, I only used a bottle of Dasani though, but oddly enough my exhaust didnt smoke one bit.....It sure sucked all the water completly down though. and ran like **** while doing it hahaha. I did smell the rotten egg smell to..


Any thoughts? Comments?
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