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How long will a rebuilt mild ported n/a turbo engine last with 7-12 psi boost ?

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Old 04-10-05, 06:30 AM
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How long will a rebuilt mild ported n/a turbo engine last with 7-12 psi boost ?

I waswondering how long i could have my engine last with a turbo on a rebuilt engine, i would break it in n/a, then get everything i needed for conversion bsides drivetrain
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Old 04-10-05, 06:36 AM
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Originally Posted by wtfdidusay82
I waswondering how long i could have my engine last with a turbo on a rebuilt engine, i would break it in n/a, then get everything i needed for conversion bsides drivetrain
Depends who rebuilt it and what your A/R is... I rebuilt mine in 97 and its still going @ 18psi (T60-1 turbo)
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Old 04-10-05, 08:53 AM
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Originally Posted by raising arizona
Depends who rebuilt it and what your A/R is... I rebuilt mine in 97 and its still going @ 18psi (T60-1 turbo)
rebuilt by rotaryresurrection , i just dont know much about the fuel management, i wouldbe getting an safcII and bigger low impedance injectors and fuel pump, along with a full tII intake manifold ported to 6 port size

wouldnt i want a knock sensor ?
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Old 04-10-05, 10:22 AM
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Based on the questions you have been asking me, not very long.

If done right and tuned properly, then it should last quite a while. But at 12PSI, you're in standalone territory.
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Old 04-10-05, 11:00 AM
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Originally Posted by Aaron Cake
Based on the questions you have been asking me, not very long.

If done right and tuned properly, then it should last quite a while. But at 12PSI, you're in standalone territory.
how much hp is the safc good up to ? like 250 hp @ the flywheel or 250hp@ the wheels ? whats the max boost i should use with the safc ?

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Old 04-10-05, 04:39 PM
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Originally Posted by wtfdidusay82
how much hp is the safc good up to ? like 250 hp @ the flywheel or 250hp@ the wheels ? whats the max boost i should use with the safc ?
It's not really a horsepower issue with the safc. The reason you'd want to use a stand alone is because of all of the systems you'll need to change by running that high of boost. The standalone will be able to do custom fuel maps and such that an safc wouldn't be able to do.
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Old 04-10-05, 04:44 PM
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Is this on an N/A engine block or turboII block? If its N/A block and still running N/A ecu... I don't believe there will be any type of ingnition retarting while under boost... So I don't think it would be safe to push 12psi running it like that.

But if your running TurboII engine and ecu.. I think you should be able to get 300 flywheel house power with proper intercooler and injectors on the stock ecu.
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Old 04-10-05, 05:45 PM
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Originally Posted by trainwreck517
Is this on an N/A engine block or turboII block? If its N/A block and still running N/A ecu... I don't believe there will be any type of ingnition retarting while under boost... So I don't think it would be safe to push 12psi running it like that.

But if your running TurboII engine and ecu.. I think you should be able to get 300 flywheel house power with proper intercooler and injectors on the stock ecu.
it would be a n/a block and n/a ecu, im trying to figure out if i should go turbo or if it would be a waste of money cuz it will break, but i just want to be able to get at least 220 hp @ the wheels safely with an safc and whatever else i can get
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Old 04-10-05, 05:54 PM
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i may not even go turbo, i may just keep it n/a , someone was trying to tell me rotary resurrection's rebuilds are only good for 20,000 miles ??? i think thats bs i would hope to get at least 50-75,000 miles out of it (mine is getting rebuilt by rotary resurrection)
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Old 04-10-05, 06:39 PM
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I've never heard anything wrong with Kevin's rebuilds honestly. You can most likely trust him more or as much then anyone else. I hope whoever told you that had an experience with him and isn't going off heresay.
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Old 04-10-05, 06:45 PM
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Originally Posted by JagerII
I've never heard anything wrong with Kevin's rebuilds honestly. You can most likely trust him more or as much then anyone else. I hope whoever told you that had an experience with him and isn't going off heresay.
he said with used housings etc u will only get 20,000 miles cuz havingused housings etc will cause everything to wear faster and get less compression ??

if my motor will only last 20,000 miles that would be really retarded to pay all this money for it to last just 2 years
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Old 04-10-05, 07:22 PM
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When did he say that? How used of housings? Kevin's said countless times on this forum that used but good condition housings can last another 100k or more if properly maintained. Now if your housings are pieces of ****, yah they wont last. But good used housings will, and Kevin has said that (from my memory) many times. This is all dependent on the condition of your current housings, of course. If your current housings ARE too beat up, you can always buy some low mileage good condition used ones on ebay or the forum, or from Kevin himself.

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Old 04-10-05, 07:32 PM
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Just a question, has your friend rebuilt many engines? Most engine rebuilders do use old rotor housing unless the old ones are completely shot. Just so you know ;o.
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Old 04-10-05, 07:43 PM
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Originally Posted by JagerII
Just a question, has your friend rebuilt many engines? Most engine rebuilders do use old rotor housing unless the old ones are completely shot. Just so you know ;o.

his sn is wpgrexx , he said hes the owner/operator of a rotary shop in winnipeg

he pmed me and in one of his pms he said this....

Dont get me wrong, I am not trying to bad mouth any one elses work at all. I just know for a fact that Rotary Ressurection does not lap housings or end plates, and just reuses them. If you have ever seen the insides of a used motor, there a step marks on the plates and grooves worn around the lower half of the housings from the edges of the apex seals. Without lapping the surfaces smooth, new seals have to conform to the old non flat surface. Resulting in less compression, and higher wear rates on the new parts.

I have also read quite a few posts around the various forums, and from what I have gathered, Kevin doesnt expect much more than 20 000 miles out of them, especially turboed. Again I have nothing against Kevin or his work. He tells you exactly what you are getting and builds a decent budget rebuild. For alot of people out there he is the best option. My shop tends to go in a different direction. We feel that the cost to do a rebuild with more new components and new hosuings and lapped plates makes for a much better performing engine let alone a longer lasting engine. If someone only has to pay another 1000 dollars to get an 3x the life out of a motor it is worth it.
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Old 04-10-05, 07:50 PM
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There are debates for lapping housings. Lapping removes the coating also that the stock irons have on them, so it's a give and take kinda deal. Kevin obviously chooses not to remove the coating.

And that guy should not be spreading misinformation about what Kevin "expects" when that is a blatent lie. Search for his threads about rebuilds and such, used good condition housings can last over 100k easy, and he's said this.

Instead of asking your "friend" what Kevin does or thinks, why not ask Kevin himself? That's just retarded believing that guy when he's obviously misinformed.
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Old 04-10-05, 08:02 PM
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Originally Posted by dDuB
There are debates for lapping housings. Lapping removes the coating also that the stock irons have on them, so it's a give and take kinda deal. Kevin obviously chooses not to remove the coating.

And that guy should not be spreading misinformation about what Kevin "expects" when that is a blatent lie. Search for his threads about rebuilds and such, used good condition housings can last over 100k easy, and he's said this.

Instead of asking your "friend" what Kevin does or thinks, why not ask Kevin himself? That's just retarded believing that guy when he's obviously misinformed.
id try to talk to kevin but he doesnt seem like hes busy and doesn like answering calls and such, i tried to call the other day and he just hung up when he answered so i guess he must of been busy

hes suppose to call me when he starts workin on my engine he said, but that could be anytime now...im just anxious to be driving my rx7 and want to know when the work will be started since i havent talked to him in like over a month when i dropped it off
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Old 04-10-05, 08:06 PM
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I think the main point here is his rebuilds last much longer than 20k miles but I dunno what your friend is talking about.
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Old 04-11-05, 01:17 PM
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In response to your comments on the forum about my lack of ability to speak to you, I did get a VM from you several days ago about this, but honestly I have not had time to be on the phone. After all, people love to talk on the phone about stuff as long as I'll allow, but they don't realize that I am getting NOTHING done when I'm on the phone. 10 phone calls per day, each at 30 minutes, equals almost an entire work day gone with nothing accomplished. I have gotten 6 calls so far today and it's not even 2pm, so you do the math.

Then, they want to turn around and complain because their work isn't finished when they wanted it. Therefore, in times of extreme workload such as this, I neglect the phone almost entirely, instead doing nothing but work during work hours, and answer emails/pm's later on as time allows. There's no one else here to do ANY of this, so people just have to understand. I figure with the discount you get by coming here, a little lack in phone support is to be expected.

Also, I'm not aware of any time I picked up and hung up on you or anyone else. I have been known to do this in situations where the SAME person calls over and over and over in a short amount of time, say 3 calls in 10 minutes. Despite all my conditions posted on the website contact page, people still do this, which I consider rude. Anyway, I'm not aware of any time you've called except the one voicemail you sent. Since I carry my cell in my pocket often, it's not uncommon for me to bend or rub up against something and have the phone 'answer itself" without my knowledge, or do other wierd stuff.

About the time frame, it bothers me that you act as if I'm taking too long or something. You were told UP FRONT that I would ONLY take your engine on at that time as a favor to you, to save you shipping since you were coming through TN, since I was not taking on any additional work at that time. And that I was ONLY taking on your work at that time with the clear understanding that I would get to it whenever I got to it, in order of reciept, and that this could be anywhere from 2-6 weeks. I have in no way deviated from this agreement, the last engine completed had been here since late febuary however the customer did not send his deposit until 3-4-05, therefore he was 2 days ahead of you in the schedule and his engine was completed friday...I'm currently waiting on his balance payment to arrive and will then ship his engine. In the meantime I'm working on yours now.

In re: to the postings in this thread about my engines, I hate having to deal with this crap on a monthly basis. Why I can't just build engines and get paid, and have people take that for what it is, I don't know. Always the politics and drama.

wpgrexx, I do not know you, nor have I ever offended you to my knowledge. I do not know why you would send a PM to one of my *current* customers in an attempt to stir up unrest in his mind. I would never do this under any circumstance, unless someone were dealing with a potential scammer, where I felt they would get ripped off with their money, then I would warn them. In any case, if you have a problem with me or my work, I invite...no, I CHALLENGE you, to post here your proof. Please post links to any and all statements found on this or other forums I've made that say that I expect 20k miles out of my rebuilds. I think that list will be very short, as I don't recall ever having said such.

Nobody including myself can argue that used parts are not as good as new parts, but we can debate how much of a difference we're talking about. Many people think that difference is greater, others such as myself don't take it as a big deal. You're talking about lapping irons, and excess wear on side and corner seals. When was the last time you heard of a stock, properly assembled engine blowing up because of a blown or work side or corner seal? You don't hear of this, because it doesnt happen. The only time you see this is with improper assembly or port work, or a heavily modified engine. It doesnt take a rocket scientist to follow this logic to say that these parts don't wear much, and don't fail much.

I'll offer the same CHALLENGE to you that I offer to all the other "new housing freaks", which I've never been taken up on, btw. You build an engine with the new or reconditioned parts you speak so highly of, and I build mine as I normally would. We each note the regular price we'd charge a customer for the engine we built. Whatever the price difference turns out to be, I take that and apply it towards power mods on my engine, then we dyno. This is designed to show that for the same amount of money, a customer can come out with an overall better setup by reusing some parts and applying the savings elsewhere, versus following convention that says that every part inside an engine should be replace or resurfaced.

As far as mileage, I really have no idea how long my rebuilds last. I've been offering them publicly for around 3 years now, and I haven't had many come back in that time. I rarely hear back from old customers unless a problem arises, so in this case I'd say no news is good news. I will say that I offer a 12 or 18 month warranty, unlimited mileage, on all my engines, which is on par or above any engine supplier in the industry, including mazda themselves. Care to let us in on your warranty, wpgrexx? Oh, and btw, this is not a 5yr warranty like pineapple's which is utterly meaningless and doesn't get honored...I've never fully denied a warranty claim, even when I was in no way at fault. I can post references, as well.

All I've got to say to those that talk ****, is put up or shut up. I've put mine up. I'll be waiting...
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Old 04-11-05, 01:41 PM
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Originally Posted by RotaryResurrection
In response to your comments on the forum about my lack of ability to speak to you, I did get a VM from you several days ago about this, but honestly I have not had time to be on the phone. After all, people love to talk on the phone about stuff as long as I'll allow, but they don't realize that I am getting NOTHING done when I'm on the phone. 10 phone calls per day, each at 30 minutes, equals almost an entire work day gone with nothing accomplished. I have gotten 6 calls so far today and it's not even 2pm, so you do the math.

Then, they want to turn around and complain because their work isn't finished when they wanted it. Therefore, in times of extreme workload such as this, I neglect the phone almost entirely, instead doing nothing but work during work hours, and answer emails/pm's later on as time allows. There's no one else here to do ANY of this, so people just have to understand. I figure with the discount you get by coming here, a little lack in phone support is to be expected.

Also, I'm not aware of any time I picked up and hung up on you or anyone else. I have been known to do this in situations where the SAME person calls over and over and over in a short amount of time, say 3 calls in 10 minutes. Despite all my conditions posted on the website contact page, people still do this, which I consider rude. Anyway, I'm not aware of any time you've called except the one voicemail you sent. Since I carry my cell in my pocket often, it's not uncommon for me to bend or rub up against something and have the phone 'answer itself" without my knowledge, or do other wierd stuff.

About the time frame, it bothers me that you act as if I'm taking too long or something. You were told UP FRONT that I would ONLY take your engine on at that time as a favor to you, to save you shipping since you were coming through TN, since I was not taking on any additional work at that time. And that I was ONLY taking on your work at that time with the clear understanding that I would get to it whenever I got to it, in order of reciept, and that this could be anywhere from 2-6 weeks. I have in no way deviated from this agreement, the last engine completed had been here since late febuary however the customer did not send his deposit until 3-4-05, therefore he was 2 days ahead of you in the schedule and his engine was completed friday...I'm currently waiting on his balance payment to arrive and will then ship his engine. In the meantime I'm working on yours now.

In re: to the postings in this thread about my engines, I hate having to deal with this crap on a monthly basis. Why I can't just build engines and get paid, and have people take that for what it is, I don't know. Always the politics and drama.

wpgrexx, I do not know you, nor have I ever offended you to my knowledge. I do not know why you would send a PM to one of my *current* customers in an attempt to stir up unrest in his mind. I would never do this under any circumstance, unless someone were dealing with a potential scammer, where I felt they would get ripped off with their money, then I would warn them. In any case, if you have a problem with me or my work, I invite...no, I CHALLENGE you, to post here your proof. Please post links to any and all statements found on this or other forums I've made that say that I expect 20k miles out of my rebuilds. I think that list will be very short, as I don't recall ever having said such.

Nobody including myself can argue that used parts are not as good as new parts, but we can debate how much of a difference we're talking about. Many people think that difference is greater, others such as myself don't take it as a big deal. You're talking about lapping irons, and excess wear on side and corner seals. When was the last time you heard of a stock, properly assembled engine blowing up because of a blown or work side or corner seal? You don't hear of this, because it doesnt happen. The only time you see this is with improper assembly or port work, or a heavily modified engine. It doesnt take a rocket scientist to follow this logic to say that these parts don't wear much, and don't fail much.

I'll offer the same CHALLENGE to you that I offer to all the other "new housing freaks", which I've never been taken up on, btw. You build an engine with the new or reconditioned parts you speak so highly of, and I build mine as I normally would. We each note the regular price we'd charge a customer for the engine we built. Whatever the price difference turns out to be, I take that and apply it towards power mods on my engine, then we dyno. This is designed to show that for the same amount of money, a customer can come out with an overall better setup by reusing some parts and applying the savings elsewhere, versus following convention that says that every part inside an engine should be replace or resurfaced.

As far as mileage, I really have no idea how long my rebuilds last. I've been offering them publicly for around 3 years now, and I haven't had many come back in that time. I rarely hear back from old customers unless a problem arises, so in this case I'd say no news is good news. I will say that I offer a 12 or 18 month warranty, unlimited mileage, on all my engines, which is on par or above any engine supplier in the industry, including mazda themselves. Care to let us in on your warranty, wpgrexx? Oh, and btw, this is not a 5yr warranty like pineapple's which is utterly meaningless and doesn't get honored...I've never fully denied a warranty claim, even when I was in no way at fault. I can post references, as well.

All I've got to say to those that talk ****, is put up or shut up. I've put mine up. I'll be waiting...

I dont doubt your work at all kevin, I trust your work very well. I just havent called you because I figure youre busy workin on engine and i dont want to interrupt your work, I figured you would be started/finished with it sometime this month just was curious as to if it had been started yet thats why I was going to call , just to make sure everything is going as planned.. I dont want to rush u at all, take your time. Hopefully ill have a turbo engine eventually, I really dont know about turboing an n/a , from what i heard its prone to break with a turbo on it unless u have a standalone system running it. What do u think of turboing an n/a ? I would do it if it could be done SAFELY but there are different opinions of running safely...my goal is 170whp n/a or 220whp turbo n/a

maybe ill give u a call later on sometime just to so its easier to talk, but sorry for any trouble i caused ... it wasnt intentional

hope to hear from u soon
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Old 04-11-05, 02:59 PM
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This thread is now closed.

It has reached the point where Kevin and wtfdidusay82 should be communicating via private messages.

Also, wtfdidusay82 is simply re-asking questions that I have already answered multiple times via IM.

wtfdidusay82, again, I don't think you should take on an NA-turbo project. You obviously don't have the knowledge base to do so. This is not an insult, simply the truth. Get a few projects under your belt, become more familiar with the RX-7, rotary and tuning, and then dive into it. Based on the questions you are asking, I cannot recommend that you continue.
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