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Mazmart www.mazmart.com (GA) RX-7 & RX-8 engine builds, stock/custom parts, home of Rick Engman

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Old 10-25-2017, 11:04 PM   #1
MAZMART
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Default The Seals you've been waiting for

These are the seals that you've wished were available, and finally they are here: I-Rotary Maximum Boost Apex seals. They are VERY strong and will yield like nothing else on the market. These are built to a precision not normally seen outside Mazda and are reasonable on your rotor housing surfaces as well.
From mild boost to INSANE BOOST AND NITROUS!

2mm sizes only. 2 piece for easy starting and maintaining compression.

http://shop.mazmart.com/en/i-rotary-...-apex-seal-set

Paul.






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Old 10-26-2017, 10:44 AM   #2
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interesting.
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Old 10-26-2017, 11:43 AM   #3
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Definitely sounds nice, but how much testing have you done on them? Long term trials in real-world conditions? Any records/photos of housing wear after 10k miles, 20k miles, 30k miles, etc., etc., etc.?

I know that the long-term testing aspect was the achilles heel of the last set of seals which claimed to be the strongest available AND also gentle on housings.. Common understanding is that you can be soft on housings or strong on detonation, and the closer you go towards one, the further you go from the other.

Definitely interested to see more info though!
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Old 10-27-2017, 02:03 PM   #4
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Originally Posted by Fendamonky View Post
Definitely sounds nice, but how much testing have you done on them? Long term trials in real-world conditions? Any records/photos of housing wear after 10k miles, 20k miles, 30k miles, etc., etc., etc.?

I know that the long-term testing aspect was the achilles heel of the last set of seals which claimed to be the strongest available AND also gentle on housings.. Common understanding is that you can be soft on housings or strong on detonation, and the closer you go towards one, the further you go from the other.

Definitely interested to see more info though!
Hi Fenda,

It's important for me to be up front and honest:

R&D has been several years on these but I will not claim to have real world everyday driving mileage info to share at this time. The main purpose of these in design is to provide seals that are stronger yet yielding than anything else in order to reduce damage to other components in adverse conditions or catastrophe brought on by tuning flaws or just pushing the envelope too far (There are rotaries pumping 70 psi these days).
We have been testing with drag race clients with great results. The housing claim only relates to lab testing vs Mazda OEM and other brands, in terms of friction properties.
What you will find with I-Rotary Maximum Boost seals is PRECISION! When you measure each seal, the consistency is on par with Mazda with variances no more than a hundredth of a millimeter.
As an overview:
Built for Racing, with strength and yielding properties as a priority to reduce or prevent damage to other parts in a catastrophic failure, with MUCH GREATER PRECISION and design characteristics for the purpose of better compression, easier starting and higher horsepower. Lastly we spent time on material compatibility with friction characteristics being addressed.

We believe that the Mazda OE seal has better material compatibility with it's housing than ANY other seal except the best of the ceramics and we recommend 2 to 2.5 oz of quality pre-mix per gallon on cars with deleted metering systems using using I-Rotary Maximum Boost seals with gasoline.

thanks for the intelligent question,

Paul.
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Old 10-27-2017, 02:17 PM   #5
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Hey Paul,

Right on, that makes sense regarding the testing and specific target audience. Hell, I'm guessing that most serious drag racers will be breaking down/rebuilding their engines at the end of each season (at a minimum) anyway, so I can see how longevity tests would be tough. That environment is a completely different beast!

For apples to apples testing, it may not hurt to have visual comparisons of wear based off those types of benchmarks. I'm not looking to purchase seals, so my curiosity is simply academic. However, I can definitely see potential customers being receptive to those types of comparisons.

I'm actually glad to see you mention the premix amount as well. Before my engine met an (untimely) death a few years ago I was running similar premix levels (2-3oz/gal) with the "super seals" from REC up in Canada and definitely noticed that the increased lubrication amount helped LOADS with housing wear!! So definitely good to specify that amount there. Otherwise I could see a person buying your seals, throwing .5oz/gal premix in there, then complaining that the seals are crap and trashed their housings.

Cheers for the response

- Levi
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Old 10-27-2017, 04:33 PM   #6
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I have bought 2 sets so far and been really happy with the initial quality of them! All measured out at 80.10mm - 80.11mm which is what i usually measure new Mazda seals at. Most other aftermarket seals are much further off than .01mm seal to seal. Definitely a better design for compression for sure!
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