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Old 02-07-2012, 07:50 PM   #151
cpturbo
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Agreed. I was just interested in either one of you commenting. I have heard the 4094 argument regarding mismatch, before. I am guessing that you are referencing a 9180 or is it some non-efr?
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Old 02-07-2012, 08:10 PM   #152
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non efr, billet wheel.
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Old 02-08-2012, 12:58 AM   #153
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Originally Posted by cpturbo View Post
Where is MPS and homemade? No comments on this guys results. Seems he has given validation to your collective long rod design. I wish that the boost did not taper as it would have been cool to see the hp keep rising like a supercharger would!!!
plus Mike is local to us and we all knew about it the night it happened lol.
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Old 02-08-2012, 08:11 AM   #154
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4094 looks to be a little large unless drag racing?

wonder how a gt37 would fare... any takers?
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Old 02-09-2012, 12:57 PM   #155
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Quote:
Originally Posted by Maxwell Power View Post
that's only half a pound of taper...


What do you want us to say? I'm not surprised by the results at all. I'm very happy to see them here in the thread, but I'm not going to go snubbing people who were naysayers about it. 620whp on a Mustang dyno is no **** jack. I think it says everything we've been trying to say.
+2 to this.

My original customer has a near identical setup but with a 4" bore and 4-eat. Hand ported heads (ver 4 heads IIRC, had great numbers), same cams, and custom TS setup, as it was done back in 07. Before Full Race really came into the Subie game.
He reports graphs in kilowatts though and the graphs are always upside down

So this is nothing new but still nice to see it
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Old 02-27-2012, 10:44 PM   #156
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I have a very basic question, I'm interested in this motor because I feel like my 5th gear ... Sucks. 1-4 happen so fast so the idea of stretching it out sounds great. However realistically I don't even know if the setup I'll have will benefit from going that high.
Goals for the car are simple, me and a buddy of mine might get the same turbo, pte 6262 maybe 5858. Assuming all supporting mods are the same (fuel and exhaust) which car would be faster at the strip and theoretical highway run.
His being the 2.5 with 07+ gearset
And mine being the powerfactor ss LR 2.34 with my short 05 gear set.
Both heads ports would remain stock for about a year, valves and retainers yes, but cams would still be up for debate depending on final turbo selection.

I know this is vague but

Bottom line mod for mod which set up would be quickest
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Old 02-28-2012, 01:02 AM   #157
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If you both had the same gearing, I think the higher redline would give you an advantage for drag racing, as it lets you spend more of your time in the lower gears. For example when he shifts from 2nd to 3rd, you'll still be winding out 2nd gear for another 2k RPM or so. The lower gear ratio means you'll be accelerating faster. Until you shift, at which point you'd be accelerating at roughly the same rate again... until he shifts to 4th and you stay in 3rd for a while longer.

With the different gearing, I dunno... if you have to do one more shift than he does (e.g. if he can finish in 4th and you have to go to 5th), that would eat into your advantage.

But, starting from a random speed, ending at a random speed, I have no idea. I'll let someone else tackle that one.
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Old 02-29-2012, 10:38 AM   #158
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been putting break in miles on my big bore short stroke 2.5L this sunday Tim tunes it! and it is on the same dyno (PIA) that obviously Mike made the 618whp. his turbo is a fair bit larger than mine though..
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Old 02-29-2012, 05:17 PM   #159
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Quote:
Originally Posted by Sinister redlines View Post
been putting break in miles on my big bore short stroke 2.5L this sunday Tim tunes it! and it is on the same dyno (PIA) that obviously Mike made the 618whp. his turbo is a fair bit larger than mine though..
Nice! I would love to see how yours comes out. I take it sleeved with 102.x pistons and maybe long rods?
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Old 02-29-2012, 05:23 PM   #160
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IIRC the group buy was 102.25mm
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Old 02-29-2012, 09:16 PM   #161
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IIRC the group buy was 102.25mm
Huh? What GB? I check that forum all the time and never saw a group buy for 102.25mm pistons.
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Old 02-29-2012, 10:23 PM   #162
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Group buy was 99.5 sleeved blocks.
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Old 11-10-2012, 12:56 AM   #163
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Updates anyone?
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Old 11-10-2012, 01:16 AM   #164
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We should have some results in about a week for another MPS 2.34 block. Wish us luck

Dewey @ Six Star
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Old 03-31-2013, 08:14 AM   #165
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Back from the dead...

Contemplating picking up a 2.34 as a spare for my drag build. Sent you a PM Maxwell Power.
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Old 04-01-2013, 09:32 PM   #166
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As I tell all of customers, if you are going sleeved, you may as well pay a bit more and go big bore. I'm sure Dom will tell you the same.

-Micah
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Old 04-02-2013, 12:35 PM   #167
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I always do.
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Old 04-02-2013, 02:34 PM   #168
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Quote:
Originally Posted by Homemade WRX View Post
As I tell all of customers, if you are going sleeved, you may as well pay a bit more and go big bore. I'm sure Dom will tell you the same.

-Micah
Thank you
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Old 04-02-2013, 02:50 PM   #169
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Quote:
Originally Posted by Homemade WRX View Post
As I tell all of customers, if you are going sleeved, you may as well pay a bit more and go big bore. I'm sure Dom will tell you the same.

-Micah
Quote:
Originally Posted by Maxwell Power View Post
I always do.
Quote:
Originally Posted by Nuke209 View Post
Thank you
I wasn't done tuning yet, but my big bore destroke did this on wastegate boost (heavily sprung as I plan on trying out 30 psi on this turbo if it will make decent flow) with very low timing. Log says 20 psi at 3400 rpm in 07 6 speed 4th gear and held very well all the way to 8500 rpm on my HTA Green 10.5cm. Road started getting crappy up around 8k (a bit over 8k, and a ways over 130) so I let off.



I am getting some things sorted on the car then either seeing what the HTA Green will do on some heavy fuel, or going straight to the S400SX I have waiting. Depends on when my air water intercooler gets finished.

4.5-5k rpm powerband is an interesting experience, I must tell you.
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Old 04-02-2013, 09:08 PM   #170
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What bore, just curious? Also, what bump sticks?
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Old 04-03-2013, 12:07 AM   #171
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damn, that's a WIDE powerband! please post the final dyno when it's all sorted.
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Old 04-03-2013, 01:03 AM   #172
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Quote:
Originally Posted by Homemade WRX View Post
What bore, just curious? Also, what bump sticks?
4" bore. Kelford 272 AVCS intake, 276 exhaust for my v7 heads.

Quote:
Originally Posted by lil'redwagon View Post
damn, that's a WIDE powerband! please post the final dyno when it's all sorted.
I do not know if I will have time to really turn up the green before the S400SX goes on. I have a half mile event scheduled for June 1st and still have a lot to get done with the big turbo. I will definitely post dynos as I turn it up on the big boy. It should still be a fairly wide powerband though as I plan on revving to 10. 6k-10k will do work. I will probably have to have Kelford make some custom cams to make good power that high though.
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Old 04-03-2013, 02:29 AM   #173
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Quote:
Originally Posted by RexFTW

I wasn't done tuning yet, but my big bore destroke did this on wastegate boost (heavily sprung as I plan on trying out 30 psi on this turbo if it will make decent flow) with very low timing. Log says 20 psi at 3400 rpm in 07 6 speed 4th gear and held very well all the way to 8500 rpm on my HTA Green 10.5cm. Road started getting crappy up around 8k (a bit over 8k, and a ways over 130) so I let off.

I am getting some things sorted on the car then either seeing what the HTA Green will do on some heavy fuel, or going straight to the S400SX I have waiting. Depends on when my air water intercooler gets finished.

4.5-5k rpm powerband is an interesting experience, I must tell you.
I think a higher power band turbo or much bigger hot side. Would help ya your 07 taller 2nd i think would compliment your high rev. Limit as mine does I run a GT40 on rally spec gears. Topendpull fwy monster
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Old 04-04-2013, 05:27 PM   #174
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Originally Posted by Homemade WRX View Post
As I tell all of customers, if you are going sleeved, you may as well pay a bit more and go big bore. I'm sure Dom will tell you the same.

-Micah
What would one with the 99.5 piston be like? The idea would be save the money on sleeving and putting it into the heads while retaining stock liners...
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Old 04-04-2013, 10:42 PM   #175
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Heads, cams and valvetrain are always a good idea!
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