More boost on MSP?

[G35man]

How much more boost can the MSP engine handle, and about how much hp will more boost add?

[505zoom]

Crank it up and find out

I've heard of a well known DSM guy from NY named JoeP, and he cranked it harder than anyone else. He put down like 260 to the wheels, spiking at 21psi on race fuel and some serious tuning. He had stock internals/intercooler, 3" exhaust, and cone filter.

I'll find out what mine is doing pretty soon.

[G35man]

Unfortunatly(sp?) I dont have one of these beautiful machines. I'll be turning 16 and getting a car soon, so I've been trying to decide what I should try to convince my parents to get. When I read that MSP's only run 6.9 psi I figured that with just a boost controller they would be a lot faster. Does anybody know how much hp an MSP will put down at the wheels stock, and how much more boost the engine can safely handle? I read in another thread that 10-12 would be fine. Also, since I'm a youngin, I'm not really sure what 'tuning' consists of...can somebody please explain?



On another note please check out my thread here:
http://www.automotiveforums.com/vbul...d.php?t=157290
I made it to compare a MSP to a 2.5rs impreza

[Miataracer]

minor side note... in reading the owners manual you will find that by turning the boost up warranty is voided

[MazdaSpeeder00]

Originally Posted by Miataracer

minor side note... in reading the owners manual you will find that by turning the boost up warranty is voided

Yeah, but as much as I drive mine, it will be voided due to mileage in a year...... lol

20,000 miles after 6 months!!!!!!!!!! What can I say.... I love to drive the damn thing!

[Miataracer]

holy crap!!! lol... I drive a lot too. i've put 3,000 miles on my civic in less than a month

[treff]

I read some tech sheet saying stock internal parts rated for 12psi for everyday
handling!!!

[Wild_MSP]

It doens't mention in the manual that the warranty in void if you crank up the boost... it simply mentions that any modifications will void it!

This being said, a boost controller is an easy part to remove before going to see your dealer!

There is no specific boost level at which you can go, but most people agree that if you don't have any other mods, you can up the boost to 9-10psi. If you change the intercooler, exhaust and intake, you can up the boost to 11-13psi. Keep in mind the there is a fuel cut a around 12psi, so if you want to crack it like JoeB, you will need a Fuel Cut Defender (FCD)... but I guess that there is a pretty good reason why Mazda put this fuel cut at 12psi!

[505zoom]

Originally Posted by Wild_MSP

... but I guess that there is a pretty good reason why Mazda put this fuel cut at 12psi!

The fuel/spark cut that you speak of is not based on boost levels, it is based on airflow readings from the MAF sensor. You can boost say 12psi on a warm day before hitting it, but then that night you could be hitting it at 9psi. This is because as the air gets colder it gets denser, making it easier to max out the MAF. The same thing can happen from just adding a higher flowing aftermarket intake. You get more flow through the MAF, and it is easier to hit the cut.

Everything else is correct though. Oh, except it's JoeP, not JoeB.

[Wild_MSP]

Originally Posted by 505zoom

The fuel/spark cut that you speak of is not based on boost levels, it is based on airflow readings from the MAF sensor.

You're right. But I still think that by bypassing this "safety", you have more chances to hit somekind of problem/malfunction (again, that is if you don't take any other precautions).

Everything else is correct though. Oh, except it's JoeP, not JoeB.

ooops! I guess I should always read what I'm posting before I click "submit"