** Turbo questions **

J

jaredbzoom

Member
:
2001 Mazda MP3
Im planning on boosting my MP3 with the HIBoost kit..
** What I need is any info/advice that can help me out with the install..
Such as any problems, difficult wrenching, and problemmatic wiring, and what really comes with the kit...

I've been told a few diffrent things about whats included in the kit.
1. HIBoost website says " everythings included for a bolt on installation.
2. I was told by someone else, I will need boost controler and gauges, and vac. lines.
3. someone else said i dont need the boost cont. and gauges to run the kit on my car.

So please tell me what you think......
thanks..:):
 
Everything stated above is correct, because from what I know, it includes everything, but you don't NEED gauges for it to work, it's just HIGHLY recommended so you know what's going on with your engine...
 
yea u need forged pistons and rods too cause u dont want to blow apart your engine...i didnt know if u knew that...or u just could get a forged block.
 
since you have an mp3, you'll need to replace your ecu, too. too much ignition advance from the stock ecu.
 
skateemerica788 said:
yea u need forged pistons and rods too cause u dont want to blow apart your engine...i didnt know if u knew that...or u just could get a forged block.
Click to expand...

You dont NEED foreged internals. There are plenty of people on this site that are running a turbo on stock internals with no problems. As long as you're not trying to boost insain numbers, and as long as your engine is properly tuned.
 
^^^ You will find out as soon as it starts to fail...

You don't need the boost controller.

You should get the Boost/Vac from Defi or Autometer as a minimum.

You should never boost over 7 Psi unless you really want a new clutch and a rebuilt engine...
 
I had a Clutchmasters Stage IIR and I started slipping at around 10psi.
I'm not sure what the Stage 1 is rated for??
 
Hiboost comes with an 8psi spring. Definately look into the risks of having the MP3 ecu with advanced timing. Many people swap for a P5 ecu which you can pick up cheap from protegegarage.com.
 
Brian MP5T said:
You should never boost over 7 Psi unless you really want a new clutch and a rebuilt engine...
Click to expand...

What if you have a SplitSecond AFC and supporting mods and up the boost up to 9-10 psi? Of course you would obviously need a clutch for that.
 
Last edited:
or you could upgrade the engine management to fuel and ignition...instead of the fuel only control that comes with the hiboost kit...it is an optional upgrade from hiboost.
 
jaredbzoom said:
ECU... No one has even said anything replacing the ecu????(pissed)
PLease tell me more....
Click to expand...

The MP3 ECU has advanced timing. You can swap it with a normal Protege ECU that doesn't have the advanced timing.

I would be willing to swap you my ECU plus some cash for your MP3 ECU since I don't plan on getting a turbo. PM me if you are interested.
 
The stage 1 clutch should be able to EASILY handle 6-7lbs of boost as you will only be running under 200ft-lbs of torque...
 
hell the stock clutch holds up fine to decent numbers.

As far as the hiboost goes... it's a VERY good idea to have a boost gauge, just in case and so you can watch over things. Replacing all your vac lines with silicon ones is always a good idea though not necessary (i have yet to do that :(). I should think that a boost controller is unnecessary as i believe the boost should be controlled by a integrated wastegate actuator on the turbo (just like us MSP's). If you wanted more than the 7psi or whatever it is, then yes a BC is required. EMS is a great idea, i would at least get AFC, you'll fall in love with the car all over again.
 
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