Need help with 2010 MS3 Engine build
 

Hello I'm new to the forum and the Mazda family, I bought a 2010 MS3 from the local Mazda dealer on June 11. It's never been tuned or anything not even CAI. It has 115k on the motor and no issues at all. My end goal is to have around 500hp as a DD. Before I start adding parts and upgrading I want to have the engine bullet and do it right the first time around. The fist parts I want to get are:

Stage 3 MZR Motor Build kit
Manley H beam rods
Wiseco Forged Pistons

I want to keep this car for years to come. Should this be my starting basis for a solid build. Or should I go ahead and do bolts like everyone else. Pro and cons please. Any advice or criticism is accepted. Thank you in advance.:facepalm2:

500 fwhp is alot for a daily driver but who am i to knock?

Building the motor is always a good start. Have you researched turbos to go on your built motor? The stock k04 would be a waste on a built motor. What fuel do you have avaliable?


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I plan on going with the GTX3076R or GT3076R, also I use premium 93 Unleaded.

Get a bigger turbo, but if you stick with the 3076 frame definitely get the gtx. It will out flow the gt series and make 500 more efficiently.

You will also need supplementing fueling. Unless you have a really, really really big turbo you're not going to hit that without 5th/6th port or a hell of a lot of meth.

Research others builds and their goals and power levels. Sounds like the pte 5858 may me a good choice.

Wouldn't the GTX3076 spool quicker? I just want to keep it 93 octane because it's everywhere and no meth. What would you say my endpoint would be? I want a mishimoto j line intercooler and a universal piping kit and get it welded.

Those pte turbos have been beasts from what ive seen i would look in to those

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the manley pistons dont require the oil squirters to be bent. just saying.

From what I was reading the PTEs require some block off or joining of lines. I just want a simple bolt and tune turbo that will have me slammed in my seat around 3.5-4K and doesn't take forever to spool.

if you get a 3076 look into the 7 blade version its only one in the series!!! i will look up the cartridge number in a min... Very nice spool and flows close to the 3582 turbo..

here you go!!!
http://www.mazdaspeedforums.org/foru...-i-have-76508/


chra list
http://www.turbomaster.info/eng/appl...ngs_chraGT.php

Quick question would I get more hp from E85 or 93. Yes I'm a 23 yr old noob I just want to have fun before me and the misses have kids.

E85 hands down

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E85 will be needed, as will a bunch of aux fuel for 500hp.

I daily drive my car in city traffic. Its a built block, GTX3076, making somewhere north of 500 whp.

Make sure you know what you are getting into, and are prepared for late nights if this is your only vehicle.

What will my mileage look like with E85 also what are the pros and cons. Sorry for all the questions but I'm really interested in all of this and don't want to mess my car up

You will need e85 to prevent predetonation.

Mileage?? If you are even thinking about fuel economy, do not build a 500hp car to daily drive.

Fuel economy tends to be dependant on driving style and traffic conditions. e85 is cheaper, but you will use more. Seriously though, if fuel economy is a concern of yours, stop this right now and enjoy a bolted k04 car.

Wetzms3 i didnt know you were riding like that. Just for shits what kind of mileage you getting?

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To be honest I have no real idea, lol. I don't pay much attention to it, since I don't expect it to get any sort of great gas mileage.

I think it's been like two weeks since I disconnected the battery, so I'll run out in a few minutes and see what the dash says. It's not the most accurate reading, but it'll give you an idea. During the week most of my driving is stop and go rush hour in and out of Chicago, a few highway drives and pulls on the weekends or weeknights.

All that power i would go crazy in stop and go not being able stretch the legs. Not sure where my hp is at on an s4 but i get between 19 and 23 around town on e30 mix.



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My dash reads an average MPG of 18.2 currently.

50/50 mix, full port injection.

If I had to guess based on the dash reading (which is known to be far less accurate than calculating manually), and the amount I dirve in certain conditions, I'd break it down like this.

Daily commute, stop and go shit- 16-17ish mpg
Highway trips without traffic- 21-2ish average
Pulls- 1.2 mpg :thinking:

I would definitely go look at some builds from other guys on here. The second you change turbos concern for gas mileage is a thing if the past.

I would consider getting all you bolt ons first and see how you feel about the platform then. 500hp will be a beast but there's a lot that goes with it. I thought I could get 400hp from a bnrs4 on 93, boy was i wrong. Don't get your feelings hurt like me.

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Fuel really isn't an issue but no one wants 12mpg also I'm talking about when you're not boosting. Now that I saw other post I'm cool with it. I'm just staring if I wanted to drive cross country I can and will be okay.

I think if i babied it i can get about 28 mpgs on just 93. VD had me at 320whp if that helps you at all. I don't have 500hp though.

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One more piece of advice, if you are stuck on numbers and really want 500whp or more, you may want something larger than a GTX3076, or a similar sized PTE.

The ATP hotside on the 3076 is fairly limiting. Not too many guys get over 500whp with it. You will need litterally every advantage you can get to get 500whp+ out of that hotside.

Keep in mind that using E85 reduces injector headroom as well.

There's more than a few grand worth of upgrades you need on top of the engine build for 500 HP.

Turbo (1-2k), turboback (1k), HPFP internals (350), AP or VersaTune (550-650), FMIC (600+), MAP sensor (~100), wider wheels and tires (1000+), intake (250), BPV (150-250), Port or meth injection (700+), EWG (300), OCC (200), ported intake manifold (~300), exhaust manifold (600+).

So buying everything new, you're looking at minimum around 7k in parts on top of the engine build. Figure you should probably realize what you're actually getting into first.

Thanks for the advice I already had all of the laid out in my spreadsheet. Me and my wife tune cars together. Down side hers is a Scion TC! Also I'm just going to go with 93 octane and when I hit that wall and I mean hard. I'll make the conversion to E85.

You're married at 23? I'm sorry.

Like it was said, you're going to hit a wall regardless at around 400-425whp on the stock fueling system unless you have a pretty large turbo. E85 isn't going to remedy that.

Broda are you saying meth instead of e85 or aux fueling? Why am i scared of aux fueling?

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No, he is saying that some sort of AUX fuel will be needed to get over 400whp even/especially with e85. I.E. 6th port, full PI, or a shit ton of meth.

Yeah i jacked this thread. Thanks for the knowledge

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Thanks for all the help and advice I may be happy with my 400hp also being married isn't bad at 23 I've done a lot.

400whp can be done on a stock block if tuned properly.

At 400 hp not alot of cars around can run with you, if you're into that type of thing.

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If you go with an S4 you can have 400whp without spending an arm and a leg on bolt ons and aux fueling.

Can't*

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Unless if you're me. I'm all about that base tune, rod bending life.

Lol, forgot about that. :ugh: