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Esmeril Racing Apex Seals on an FI'd renesis - post your experience good or bad

Old 12-13-2010, 01:24 PM
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/\ a little more actually . Bloody boost controllers are the devils work !
Old 12-13-2010, 01:41 PM
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Originally Posted by MazdaManiac
demonstrates a fundamental misunderstanding of what a seal experiences during detonation.
How so?

My guess, a loud noise, a push against the flat rotor face towards the stationary gear, if the stationary gear has enough wear for the apex to leave (or almost leave) the rotor housing, the apex breaks as the gases rush past the rotor/housing gap.,,,,


Just my guess.


Old 12-13-2010, 01:47 PM
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maybe ask yourself this ... did it detonate or did the flame front jump the apex seal surface into the following chamber(s)?
Old 01-21-2011, 02:06 PM
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Currently at 17000 miles and the major detonation scare I had a few thousand miles back does not appear to have affected performance .
Also : now routinely running at 11-12psi in the lower rpm range .

I do get a feeling that my compression may be down a little due to the occasional hot start difficulty but this has been the case since the engine was rebuilt so I just put it down to using old housings .

Last edited by Brettus; 01-21-2011 at 02:12 PM.
Old 01-21-2011, 02:44 PM
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Originally Posted by Brettus
Currently at 17000 miles and the major detonation scare I had a few thousand miles back does not appear to have affected performance .
Also : now routinely running at 11-12psi in the lower rpm range .

I do get a feeling that my compression may be down a little due to the occasional hot start difficulty but this has been the case since the engine was rebuilt so I just put it down to using old housings .

Does your car has the most current starter? This might help with issue you have with hot start.

I parked my car for the winter so no mileage for the last 3 months....Currently I have about say 13000 miles or so on the rebuilt engine (esmeril seals) and on the 2nd turbo (precision 6265. The old one was the no name turbo that lasted almost 10K miles). And I do need a new starter. Mine crank real slows and take a long long crank to start the engine.
Old 01-21-2011, 03:12 PM
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Originally Posted by Luckycat
Does your car has the most current starter? This might help with issue you have with hot start.
.
No it doesn't so you are probably right there . It isn't a big enough issue for me to warrant the expense ($700 here) of fitting one though.
Old 01-21-2011, 03:22 PM
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That is spendy. My dealership charged me $379 installed.
Old 01-21-2011, 03:42 PM
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Originally Posted by pdxhak
That is spendy. My dealership charged me $379 installed.
even if I imported one I'd be lookin at around nz$500-600
Old 01-21-2011, 05:01 PM
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Interesting data. Has anyone else experienced hard hot starts with new rotor housings with the Esmeril seals? Im very close to buying so im watching this thread like a hawk
Old 04-10-2011, 07:40 PM
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Originally Posted by freaklinkmusic
Interesting data. Has anyone else experienced hard hot starts with new rotor housings with the Esmeril seals? Im very close to buying so im watching this thread like a hawk
Bump.

Any new info on how these are working? Anymore hot start issues?

Im needing a rebuild, staying NA, would like some NRS ceramic, but really cant afford them, thus looking into Esmeril.
Old 04-10-2011, 09:00 PM
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Originally Posted by Brettus
No it doesn't so you are probably right there . It isn't a big enough issue for me to warrant the expense ($700 here) of fitting one though.
Since last time I talked to you I ordered a new starter from BHR. I installed it myself which only took like 20 mins or so. It took longest to jack the car up. The replacement was easy and fast.

With new starter I don't have long start anymore. It starts almost immediately everytime. No more embrassment at gas station where I routeenly had to pop up the hood to pull fuse and restart engine. I tried start the engine back to back to back 5 times last night and it starts up on first tried every time. Life might be easier for you if you replace your old starter with a new one and it may eliminate the hot start issue that you have.
Old 04-11-2011, 02:15 AM
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/\ good to hear . It's really not much of an issue for me though . It always starts - just takes a little longer than I would like .
Old 06-19-2011, 07:02 PM
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22000 miles and still ok .
Old 06-27-2011, 02:15 PM
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Originally Posted by Brettus
22000 miles and still ok .
how have you been driving it, hard, mild or granny driving???
Old 06-27-2011, 03:03 PM
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Originally Posted by ELI063
how have you been driving it, hard, mild or granny driving???
A mixture of all that . My daily driving is pretty sedate around town but i do regularly give it full noise through the rev range and that means 11psi which is not mucking around ...


Have not tracked the car with these seals yet though.
Old 06-27-2011, 03:10 PM
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Originally Posted by Brettus
A mixture of all that . My daily driving is pretty sedate around town but i do regularly give it full noise through the rev range and that means 11psi which is not mucking around ...


Have not tracked the car with these seals yet though.
o ok hows your air\fuel looking crusing and on full boost.
Old 06-27-2011, 04:29 PM
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Originally Posted by ELI063
o ok hows your air\fuel looking crusing and on full boost.
Really good thanks , how about yours ?



Sorry - what are you getting at ?
Old 06-27-2011, 10:13 PM
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Originally Posted by Brettus
Really good thanks , how about yours ?



Sorry - what are you getting at ?
welcome, mine is a little on the rich side but its good.

o sorry man i come in peace i was just wondering thats all.
Old 02-23-2012, 04:21 PM
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Still all good at 30000 miles . Upgraded starter resolved hard starting mentioned earlier.
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Old 02-23-2012, 05:57 PM
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on a rotary a faster starter always does regardless of the apex seals
Old 02-23-2012, 07:35 PM
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Originally Posted by TeamRX8
on a rotary a faster starter always does regardless of the apex seals
yes
Old 05-21-2012, 10:17 PM
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bump
Old 05-26-2012, 02:13 PM
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Originally Posted by ELI063
bump
Nothing new here - what about you ?
Old 05-26-2012, 04:04 PM
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Originally Posted by MazdaManiac
A "single" event sounds like a firecracker and will usually produce at halting "snap" that you can feel through the chassis. It will sound like it is coming from the floor above your knees.
A "multiple" event will sound like someone is crushing an empty soda can in the same location.
I had the soda can crush sound twice with the EMU. Stock seals were fine when Charles did the rebuild (car had 47k miles or so at the time?).

Not sure we can compare the esmeral seals to stock just by saying the engine still runs after detonation.
Old 03-10-2013, 10:20 PM
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Engine teardown with Esmeril apex seals at 60,000 kms.......


https://www.rx8club.com/major-horsep...1/#post4438190

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