sti block wrxs heads - Subaru WRX Forum
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#1 Old 07-24-2006, 07:57 PM
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sti block wrxs heads

ok well as some of u might know, sat night i let one of my friends borow my car to get more boose for my party. i get in the car next moring and motor is fryed.threw a rod. so im looking about possibly getting a STI bottom end, and port and polishing my WRX heads. good idea will it work, better sugestions. long block, short etc.

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#2 Old 07-24-2006, 09:57 PM
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whoa, sorry for your loss. the 2.5 bottom and wrx heads is a good match. new 2.5's can be had pretty cheap, hell a mildy built 2.5 can be had pretty cheap, that's the route i would go. and i think cobb is back into CNC heads so you may want to hit them up for a head job.

gruppe-s has built bottom ends available, so does Cobb.
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#3 Old 07-25-2006, 12:27 PM
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Quote:
Originally Posted by imbeterthanu
ok well as some of u might know, sat night i let one of my friends borow my car to get more boose for my party. i get in the car next moring and motor is fryed.threw a rod. so im looking about possibly getting a STI bottom end, and port and polishing my WRX heads. good idea will it work, better sugestions. long block, short etc.

Man, I hope this is some sick joke. That sucks. Back on topic though.

If I was in your position, the 2.5L with WRX heads would be the way that I would go. Also, why you're at it, I'd also throw some ARP studs/Cometic headgaskets, and build it up some.


Then it would be time for a green.

That would be a pretty badass set-up, all said and done.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

<------ Click to see what I'm workin' with. ;)
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#4 Old 07-25-2006, 12:59 PM
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That sucks dude.
Question:

Is your "friend" gonna pay for the damages...

Big Jae -
JDM version 7 bugeye
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#5 Old 07-25-2006, 04:44 PM
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stacy thats what i was thinking about. BUT, my trany i'm gonna have to baby it untill i get once again more money.

jea, orgianaly i thought it was the turbo.(which it might be still) told him about it. he said ok. yesterday got to look at the car, and turns out to be the rod. called him, and he made a million and 1 excues, on how he didnt do it.


i was looking on gruppe-s and they have a j@p spec 2.5 motor, every thing there just drop it in and tune. so i'm thinking about that. but i still have to price around on sti bottom's

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#6 Old 07-25-2006, 04:45 PM
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Yes, the 2.5 STI short block and the 2.0 WRX heads are a potent combination.. It's currently what I am running.. I would also suggest spending an extra 400 on Forged CP Pistons since it's easy as pie to swap them when the block is fresh.. That way you can boost up to 24psi with a 64lb turbine turbo down the road with no worries.. I also agree with Stacy about ARP head studs and Cometic gaskets, both actually on my car as well. As for porting I would suggest Axis Power Racing Stage 1 for your heads if your not planning on going Crazy.. I have their Stage 2 and I couldn't be any happier.. I have hugh valves and a wicked cam and my Vacuum is still decent and I have a strong flow through my power band.. They do VERY nice work, give RON a call..

STI short block - 1700 through a Subaru Dealer
ARP Head studs - 200 through Axis Power Racing
Cometic Head Gaskets - 150 through Axis Power Racing
CP Pistons - 600 through Axis Power Racing
Stage 1 Heads - 1200 Through Axis Power Racing.

Know I know that adds up to 4000 bug Ron is cool and will discount parts if you purchase it all through him, he did for me, and he will also put the pistons into the block, and bolt the heads on for you.. He is a good guy and builds good motors, he played a major role in mine.. If you talk to him and ask for some help he is very willing to do so.. I spent so much through him that he assembled mine all free...

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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#7 Old 07-25-2006, 04:54 PM
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not looking to going to crazy i just want around 350-370 WHP, but i want TQ, im also gonna need, a trany too.

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#8 Old 07-25-2006, 05:30 PM
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Well, the 2.5 is a great way to go for torque.. BUT the 2.8L is even better.. HEHEHE..

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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#9 Old 07-25-2006, 05:47 PM
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ok now were talking about a ton of money. i still have to buy a turbo. intercooler, fuel pump, divertervalve, ah well u know.

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#10 Old 07-25-2006, 05:57 PM
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Yup.. I have over 30,000 invested into my entire package..

Hell, I put almost 10,000 into my transmission alone..

The 2.8L short block is 8,000 alone.. (My next block)

It gets VERY expensive VERY quickly but can be done little at a time.. IF you going to get the block (which you kinda have to) I would honestly suggest doing as much as you can internally NOW.. It's already broken down and out of the car so why do it twice.. Do the Pistons and Rods now.. Do the head latter as you can take them off while the motor is in the car.. Not the easiest thing to do but doable none the less... The stock turbo on the 2.5 will spool crazy fast but flutter out on the top end.. Same as the 06 setup.. You don't NEED to upgrade everything now.. The trans will be ok if you baby it a bit for a while.. That's a hefty upgrade too, 1500 or so just for gears that are only good to 300 or so whp.. Just always keep in mind your final goal and do what make sense to reach that goal..

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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#11 Old 07-25-2006, 07:24 PM
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i went on to axis racing, and im going to them call tomorow and price out every thing. the shity thing is, i have to wait to get the money together. cought me at a bad finnacial time.ive got pretty much every thing planned out, that i pretty much want to do.

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#12 Old 07-25-2006, 07:48 PM
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It really is amazing how things always crap out at the worst possible financial time.. Man I HATE how that always goes..

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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#13 Old 07-25-2006, 08:14 PM
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yup. it sucks how it works that way.

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#14 Old 07-26-2006, 08:28 AM
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Quote:
Originally Posted by LiL Shoaf
That way you can boost up to 24psi with a 64lb turbine turbo down the road with no worries.
<----Starting to salivate.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

<------ Click to see what I'm workin' with. ;)
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#15 Old 07-26-2006, 02:25 PM
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Any updates with the block or your call to Axis?? Keep us posted..

Stacy you need to road trip it out here so I can let you Test Drive my GT35R...

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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