Im purchasing better apex speals for my car. Im either going to be getting the IANETTI CERAMIC or hurley seals. 2mm or 3mm? I need to know the pros and cons of each. I hear that with ceramics, if your engines blows it messes up something else? is that true. I need hep. I also need to know what is better 1pc or 2pc? I am soon to have a single turbo, with ecu, downpipe, exhaust, and all the other goodies. I want to run about 19psi dialy and about 25psi or so on drag races. Iam mainly using my car for street, but in many occaisions go drag my car. Please post which seal is better for me(and either 2mm or 3mm), and tell me the pros and cons of each. I know this topic gets debated alot, and people prefer different ones, but for me and what I want to use my car for, which one is best and why???
THANKS!

P.S. if you think a different seal company is better for me then please state it.

1FAST7

 

?

 

https://www.rx7club.com/forum/showth...threadid=67833

 

good luck keeping your engine together at 19 PSI!! Daily? I have a T 78 set-up with"all the goodies". i ran 10 psi daily and that was crazy!! 400rwhp crazy!! try aiming your goals for a daily driver a bit lower on the psi scale! But... if you want it go for it!!

 

im having no problems keeping my motor together and i run 17psi ....i also have the one piece 3mm ianettis and decent tuning.

thats all she needs to run high boost.

the one piece ceramics are good for the tuning leeway...if i had any other id have blown it up on the bad maps I got from xs engineering back in the day. ...detonation popopopopop....but no damage at all...id definitely have blown it with anything else.

the ceramcis are worth the cash...every penny.

the one piece are more durable for high rpm high boost abuse.

j

 

2 peice seals better than 1 peice, 1 peice is stronger against detonation. as per Ianetti,told to Garfinkle when he bought 3 mm seals . Three mm seals are stronger than 2 mm. Easy to understand but they have more drag , big deal they are stronger .

 

1fast7,
i have done a lot of research not just on the board but i have also talked to many rotary engine builders. here is some of my advise to you and some questions you may need to ask yourself:

2mm or 3mm?
this always comes up. the 3mm as you may know requires milling of the rotors which alone will cost around $300 plus the seals themselves. so 3mm is going to be more expensive. the thing that most people seem to think is that the 3mm is much stronger than the 2mm against detonation. Remember an apex seal will break no matter what it is made out of, if the car is not tuned correctly(detontaion occurs). so 2mm or 3mm it doesnt matter they will eventually break if not tuned! i have found that many rotary builders will tell you that if looking to produce 400-450 hp daily, you can just stick with 2mm 2-piece and they will last just as long as a 3mm seal so why pay the price? to many its a reassurance issue.

boost
more boost doesnt = more power. you can ask some of the members here with single turbo setups about how much boost they are running and they will tell you probably around 10-15psi range. on most cars atmospheric pressure is best(14psi) when tuned correctly. my friend and i built his car and tweeked with the boost and found that 13psi was hitting just as hard as 17psi. when running the psi as high as you were stating will most likely lessen the life of your motor due to higher strains.
basically everything evolves around tuning on an rx7. without the proper tuning the motor will go i promise you, but with proper tuning it will put less stress on the motor making it produce more hp and live longer.

 

how many hosrepower are you looking to produce?

 

i will say it again...had i not had the 3mm one piece ianettis i would not have a motor today. ..well id be on another one anyhow.

j

 

Have you guys looked at the date and time of the original message?

I doubt he's still waiting for an answer.....

 

i didnt even notice that

 

but the second reply from 88fc3sw/HX83 was just "?" so i believe he searched for this topic, found this thread, and brought it back from the dead looking for answers instead of making a new post...

 

Hence the link to the great "seal debate" I posted. However, people were responded directly to the original poster, which is why I wanted to point out the date of the original post.

 

ok i see where you were going with that now