High mileage Forced Induction - RX8
02-01-2011, 02:57 AM
#1
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High mileage RX8 Forced Induction - on original engine
Yes I know it is very difficult to find such a thread. However, it would be very useful just to know the highest mileage on a Turbo (or generally Forced Induction) RX-8.
I think that somewhere here there was an RX-8 turbo with 50K . This is not bad at all.
So Turbo RX-8 what is your mileage and what is your expectation ?
(I guess this is an impossible thread or ???)
I think that somewhere here there was an RX-8 turbo with 50K . This is not bad at all.
So Turbo RX-8 what is your mileage and what is your expectation ?
(I guess this is an impossible thread or ???)
Last edited by rotaryPilot; 02-01-2011 at 07:54 AM.
02-01-2011, 11:40 AM
#8
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Yes I agree with you. However, it would be nice to know the mileage a turbo RX-8 has accomplished on the original engine. It is like having all those threads that reporting 100.0000+ on a renesis but for FI.
I believe that if someone went with the dark side which is Forced Induction he will not be so patient to stay on the low boost. So I think that boost temptation is a crucial factor concerning the longevity of the engine.
I believe that if someone went with the dark side which is Forced Induction he will not be so patient to stay on the low boost. So I think that boost temptation is a crucial factor concerning the longevity of the engine.
02-01-2011, 11:44 AM
#9
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Yes I agree with you. However, it would be nice to know the mileage a turbo RX-8 has accomplished on the original engine. It is like having all those threads that reporting 100.0000+ on a renesis but for FI.
I believe that if someone went with the dark side which is Forced Induction he will not be so patient to stay on the low boost. So I think that boost temptation is a crucial factor concerning the longevity of the engine.
I believe that if someone went with the dark side which is Forced Induction he will not be so patient to stay on the low boost. So I think that boost temptation is a crucial factor concerning the longevity of the engine.
you just gonna live with the consequences.
02-02-2011, 12:50 AM
#10
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Ok, by going Forced Induction in your 8 you gain a lot of torque, you experience a different car you custom the engine power to your needs. It is certain that the mileage will be dependent on the maintenance and use of the rx8. However, there might be some unforeseen events as bad gas and probably pinging detonating which is a disastrous situation in a FI RX-8. Pinging detonating in a NA RX-8 may be not always catastrophic , you may “escape” the disaster. I am not sure if this can be done in a FI RX-8.
Nevertheless, it is very pleasant to read about FI RX-8 that are currently FI for 50K or even more.
Nevertheless, it is very pleasant to read about FI RX-8 that are currently FI for 50K or even more.
02-02-2011, 06:29 AM
#11
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relevant thread https://www.rx8club.com/series-i-major-horsepower-upgrades-93/highest-total-mileage-300rwhp-209588/
outstanding post !
outstanding post !
Well, my car has 145,000 miles on the chassis. 120,000 of them are FI. Over 5000 of those miles are on track.
8 motors - two lost an apex seal (the first to tuning/heat/stupidity/e-Manage and the second to a severed wastegate line), two lost coolant seals (both on track), one had a foreign object go through it and two spun a bearing and hooped the e-shaft (both on track). 8th motor is in the car presently.
That is an average of 15k miles per motor, but the actual breakdown is 30k miles for the first motor, 15k for the second, 50k miles for the 3rd, 9k for the 4th, 12k for the 5th and 4k for the last. Give or take.
From the 3rd motor on, there were quite a few excursions well beyond your horsepower limitation in the original question.
When you look at the development cycles for this (three ignition system designs and related tuning, three engine management systems and tuning, 5 different turbo systems and a myriad of cooling modifications), all of which I was pioneering, it is actually not a significant price. All of those motors from the 3rd on were built entirely from used parts.
8 motors - two lost an apex seal (the first to tuning/heat/stupidity/e-Manage and the second to a severed wastegate line), two lost coolant seals (both on track), one had a foreign object go through it and two spun a bearing and hooped the e-shaft (both on track). 8th motor is in the car presently.
That is an average of 15k miles per motor, but the actual breakdown is 30k miles for the first motor, 15k for the second, 50k miles for the 3rd, 9k for the 4th, 12k for the 5th and 4k for the last. Give or take.
From the 3rd motor on, there were quite a few excursions well beyond your horsepower limitation in the original question.
When you look at the development cycles for this (three ignition system designs and related tuning, three engine management systems and tuning, 5 different turbo systems and a myriad of cooling modifications), all of which I was pioneering, it is actually not a significant price. All of those motors from the 3rd on were built entirely from used parts.
02-02-2011, 06:49 AM
#12
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If you are looking for some kind of gauge as to whether or not your RX8's engine will survive a long time with forced induction you're not going to find an easy answer. The longevity of your motor is going to depend on how much power you are pushing, how well you take care of the car, how spot on your tuning is and how well you can diagnose issues.
In theory, the farther up the performance ladder you go the less your overall reliability will be. There will always be exceptions to this.
You'll need to be able to understand air/fuel ratios and what to look for, understand boost pressure as well as mass airflow and how they relate as well as being familiar enough with the FI system to be able to fix possible problems (like couplers blowing off of a turbo kit). There is a lot more burden placed on the driver than an NA RX8.
I believe that Mazdamaniac said it best...."If you are not emotionally and fiscally prepared to lose a motor then you have no business going FI..."
In theory, the farther up the performance ladder you go the less your overall reliability will be. There will always be exceptions to this.
You'll need to be able to understand air/fuel ratios and what to look for, understand boost pressure as well as mass airflow and how they relate as well as being familiar enough with the FI system to be able to fix possible problems (like couplers blowing off of a turbo kit). There is a lot more burden placed on the driver than an NA RX8.
I believe that Mazdamaniac said it best...."If you are not emotionally and fiscally prepared to lose a motor then you have no business going FI..."
02-02-2011, 07:04 AM
#13
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If you are not emotionally and fiscally prepared to lose a motor then you have no business going FI...
Well nobody knows the life span of an NA or FI RX-8. I am searching how many miles a FI can go with one engine (yes it can go several K why not reporting it ?). This thread is for stat purposes only. This thread will be meaningful if mileage and reason for failure is reported.
You can see it differently: It is nice to report that you are running 50K FI . This is a sign of well maintained , well tuned RX-8 that had good luck with gas quality so far
02-03-2011, 01:49 PM
#14
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impressive, that was quite a lot of experimentation!
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