Miata Turbo Forum - Boost cars, acquire cats.

Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
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-   -   Built Engine Max Boost (https://www.miataturbo.net/diy-turbo-discussion-14/built-engine-max-boost-30781/)

ChuckyZ 01-25-2009 09:32 PM


Originally Posted by levnubhin (Post 358822)
Lets try this. What are your goals with the car? What do you plan to use it for? How much money do you have?

Goal=Get the most power out of the engine which would require running MAX BOOST But first I need to what the MAX BOOST is so that I can see if the turbo will be to large for my taste.

Use=Everything quite literally

Money=In the long run endless so not a factor.

patsmx5 01-25-2009 09:37 PM


Originally Posted by ChuckyZ (Post 358824)
No just because I am new to this forum does not mean they can be rude! Power varies way to much to be a comparison. Boost is more accurate because it accurately measures the maxium pressure that the engine can handle.

A car can have 500hp and 400hp but be only running 30psi. Both of which would blowup at that same psi but hp.

Wrong again. Wow. Where are you getting your info from? All I can say is it's wrong.

Maximum pressure- Care to define this loose term you just threw in? Feel free to be more specific in term of PPP, MBT, etc in a SI engine.

TonyV 01-25-2009 09:40 PM


Originally Posted by ChuckyZ (Post 358825)
Goal=Get the most power out of the engine which would require running MAX BOOST But first I need to what the MAX BOOST is so that I can see if the turbo will be to large for my taste.

Use=Everything quite literally

Money=In the long run endless so not a factor.


Cmon, people have made legit attempts at helping you out but seems like you need to help yourself out for now. You need to be more realistic about your goals..

This is how I read this post:

I want to make the most power but not too much power
I want to use my car for everything and anything
I have no certain budget, but if I did it wouldn't matter


It should read:

I want to make upwards of 200whp, with room to grow
I'm uncertain of what I will do with it, but def not -rifting
I'd like to have a quality build, but need ot cut corners in order to stay under 5k


Otherwise, stick with my very simple and specific answer...41-43lbs

Vashthestampede 01-25-2009 09:43 PM

In my time around miatas, IIRC that is, I don't remember ever hearing of anyone talking about 30psi and so on. I do believe there was a guy on here though that had a built motor and a larger turbo boosting around 25psi.

Don't be so concerned about rudeness over here. Lots of these guys on here are REAL LIFE tough guys. They are fucking dead serious with you dude. ;)

Vash-

levnubhin 01-25-2009 09:43 PM

I give up, good luck.
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ChuckyZ 01-25-2009 09:45 PM


Originally Posted by patsmx5 (Post 358828)
Wrong again. Wow. Where are you getting your info from? All I can say is it's wrong.

Maximum pressure- Care to define this loose term you just threw in? Feel free to be more specific in term of PPP, MBT, etc in a SI engine.

Umm peak pressure is what usually brakes a engine. So you're saying the power is what breaks a rod, piston, headgasket and not pressure. LOL:noob:

patsmx5 01-25-2009 09:46 PM


Originally Posted by levnubhin (Post 358833)
I give up, good luck.

Your avatar is fucking hilarious. So is Vash's.

Also, just to get this in here: :drama:

mazda/nissan 01-25-2009 09:47 PM


Originally Posted by ChuckyZ (Post 358834)
Umm peak pressure is what usually brakes a engine. So you're saying the power is what breaks a rod, piston, headgasket and not pressure. LOL:noob:

tard, not the power, the attempt to make said power. 30 PSI through a T3:ne:30 PSI through 14B (one will undoubtedly explode btw)

you should be asking how much power your motor may handle (5 speeds don't break at 15 psi) not how much pressure

M-Tuned 01-25-2009 09:49 PM

I ran 30psi from a T3/T4 with no issues! As mentioned above.. AMount of boost probably won't be your problem. Transmission will be.

patsmx5 01-25-2009 09:49 PM


Originally Posted by ChuckyZ (Post 358834)
Umm peak pressure is what usually brakes a engine. So you're saying the power is what breaks a rod, piston, headgasket and not pressure. LOL:noob:

LOL, you obviously don't know as much about engines as you think you do. How about MEP?

ChuckyZ 01-25-2009 09:49 PM


Originally Posted by Vashthestampede (Post 358832)
In my time around miatas, IIRC that is, I don't remember ever hearing of anyone talking about 30psi and so on. I do believe there was a guy on here though that had a built motor and a larger turbo boosting around 25psi.

Don't be so concerned about rudeness over here. Lots of these guys on here are REAL LIFE tough guys. They are fucking dead serious with you dude. ;)

Vash-

Thanks for input. Well rudeness to someone who can bring info and experience and without even understanding who they are talking too or the question being asked is not someone I wish to deal with in order to stay on this forum if that is what it comes too.

Savington 01-25-2009 09:50 PM


Originally Posted by ChuckyZ (Post 358824)
No just because I am new to this forum does not mean they can be rude!

Wrong. You've been here like a week and you think you can tell us how to run our forum? Fuck off. If you want, you can eat a piece of humble pie and understand that everyone here isn't a total ass, but when you mouth off to senior members you can expect a serious bitchslapping. We all know a hell of a lot more than you do (you've proven that categorically in this thread). You have two options: Apologize and we can all nicely explain to you why you're wrong, or keep acting like a dick and we'll run you out of here faster than Hitler ran the Poles out.


Originally Posted by ChuckyZ (Post 358824)
Power varies way to much to be a comparison.

Wrong. Power is the only comparison that matters, and I'll explain that after the next time you're wrong.


Originally Posted by ChuckyZ (Post 358824)
Boost is more accurate because it accurately measures the maxium pressure that the engine can handle.

Totally wrong. Boost pressure is nothing more than a measurement of restriction in the intake manifold. What actually matters is pressure in the cylinders, which is directly related to torque.


Originally Posted by ChuckyZ (Post 358824)
A car can have 500hp and 400hp but be only running 30psi. Both of which would blowup at that same psi but not hp.

Totally, utterly wrong. Motors are designed to take a certain compression pressure, which is directly related to torque. It really doesn't care what the pressure in the intake manifold is, which is all you measure. Boost is actually a pretty arbitrary, bullshit thing to measure or base power readings off of; this is demonstrated quite well by the fact that y8s makes 257whp from 9psi, but it takes most people 16-17psi to make the same power.

You need to stop insulting us. It's our forum and if you don't like it, you're welcome to get the hell off of it. If you're willing to learn, and respect the people here who know more than you do, you'll learn a hell of a lot from this forum. I know I did.

ChuckyZ 01-25-2009 09:50 PM


Originally Posted by patsmx5 (Post 358838)
LOL, you obviously don't know as much about engines as you think you do. How about IMEP?

So you still say power and not pressure? If so don't waste my time.

mazda/nissan 01-25-2009 09:51 PM


Originally Posted by ChuckyZ (Post 358839)
in order to stay on this forum if that is what it comes too.

after you have treated our lovely forum like a $0.05 whore with your post spamming?

ChuckyZ 01-25-2009 09:52 PM


Originally Posted by Marc@M-Tuned.com (Post 358837)
I ran 30psi from a T3/T4 with no issues! As mentioned above.. AMount of boost probably won't be your problem. Transmission will be.

Thanks Marc. Yeah I will try to find the limit of the 6-spd. We will findly know how strong they are. Then again i remember reading someone pushing 470 through theres. It was the e85 build. I think he was running 6-spd. So maybe the engine would go first.

ChuckyZ 01-25-2009 09:54 PM


Originally Posted by mazda/nissan (Post 358842)
after you have treated our lovely forum like a $0.05 whore with your post spamming?

WTF I posted 10 times in the BS section so that I can pm a couple members so that I could buy there products. I don't think they minded I posted in the bs forum.

NA6C-Guy 01-25-2009 09:56 PM

Goddamn it, do I have to do everything around here... the answer is 28.64psi. At 28.65 EVERY B6 and BP will crack on the front side of cylinder #3 at 11:48a.m. while on your way to lunch. You will leave an 84ft oil slick, and drop 4 pieces of rod in the oncoming lane, in front of the red PT Cruiser doing 49mph in a 40 mph zone. DUH!!! :bang:

Seriously though, I dont think this is a very good question. Its like asking how old will I live to be. Some engines may handle more or less depending on many variables. No magic numbers Im affraid.

mazda/nissan 01-25-2009 09:58 PM


Originally Posted by ChuckyZ (Post 358848)
WTF I posted 10 times in the BS section so that I can pm a couple members so that I could buy there products. I did think they minded I posted in the bs forum.

well one of the threads was mine and I do mind, so now I'm whoring your thread in retaliation

NA6C-Guy 01-25-2009 09:59 PM

^ Payback is a bitch! :bowrofl:

Vashthestampede 01-25-2009 09:59 PM


Originally Posted by ChuckyZ (Post 358848)
WTF I posted 10 times in the BS section so that I can pm a couple members so that I could buy there products. I did think they minded I posted in the bs forum.

Many folks have been hit with the ban hammer for the same deal. Its kinda frowned upon here. 5 more posts :jerkit: 6 more posts :jerkit: is kinda aggravating. At least post and share some actual thoughts you know.

On a side note this is a VERY popular thread at the moment. :giggle:

Vash-


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