Great success!

So, Friday, i was messing around with the MX6, trying to figure out why it wouldn't go above 7psi no matter what i did with the boost controller, and was spooling weird. (Slow spool, would hit about 1psi, and then all of a sudden slam to 7psi, made for a weird feeling ride.)

Well.... i started to realize that it probably had a 7lb wastegate spring, and that the boost controller wasn't working. So before i ordered a new controller, i swapped the lines going to it, cranked the boost controller all the way down, then back up two clicks.

Took it for a test run with my buddy in the car. Short shifted into 2nd gear, then mashed the gas at about 20mph. All i got out of him was:

"berkeley!!!!"

Smooth spool, full boost at 10psi by 2800rpms, sounds better, runs better, vaccuum looks better, huge fireballs are a rarer occurence now. Those are the plus sides.

The negative? It's almost getting scary. My tires will not last long like this. I'm not sure how long the clutch will last.

But dear god it's fast. I'm not sure if i even WANT to grow the balls to run 16-17psi like my plan is.

It's hard to explain.

Cliffnotes: My $2010 Challenger is already ready to bust into the 12s, and i'm still at less than $1000. $927 to be exact.

Just had to share the story somehow.

grow the balls, even if you end up exploded into a tree you'll have a smile on your face

If it's any consolation, when we took the XR4Ti from 15psi stock to 24psi with a ton of mods we thought we'd cracked into another world, when we hit 30psi we couldn't stop laughing, smiling, and shaking...

93celicaGT2 wrote: i'm still at less than $1000. $927 to be exact.

then your budget allows for some super sticky rubber on a set of used wheels, and a brand new on off switch ....I mean 4 puck clutch

Raze wrote: grow the balls, even if you end up exploded into a tree you'll have a smile on your face If it's any consolation, when we took the XR4Ti from 15psi stock to 24psi with a ton of mods we thought we'd cracked into another world, when we hit 30psi we couldn't stop laughing, smiling, and shaking...

Yeahhh.... i had the shakes. I wasn't positive what it was going to hit, so i just pointed her straight, watched the boost gauge, and nailed the gas. By the time my brain registered that "Oh hey! I just hit 10psi and it spooled correctly!" i was going about 55mph and it was time to shift.

The torque this thing puts out is unreal.

I'm pretty much Megasquirt and injectors from going after this....

http://www.mx6.com/forums/1g-mx6-forced-induction/228923-f2t-hp-torque-record-broken.html

460ftlbs torque to the wheels on a stock motor? Yikes!!

4cylndrfury wrote:

93celicaGT2 wrote: i'm still at less than $1000. $927 to be exact.

then your budget allows for some super sticky rubber on a set of used wheels, and a brand new on off switch ....I mean 4 puck clutch

It's got some 17x7s on it now, i'll need new tires by the challenge anyways, so i'll probably throw some RS2/RS3/RT615s whatever i can find for cheap. The car DESPERATLY needs suspension work. Struts are blown, and it rides too high to get anything done. I can do the setup i want for about $350, though, so that's not bad.

I figure $350 suspension, $300 or so in tires, and that leaves me some room for a clutch, even if it's just another stocker to limp through, or a used upgrade. It'll be fine.

93celicaGT2 wrote: I figure $350 suspension, $300 or so in tires, and that leaves me some room for a clutch, even if it's just another stocker to limp through, or a used upgrade. It'll be fine.

throw a cheap stock clutch in and put in the MS + injectors, that was the 'tons of mods' I was referring to earlier, you will be shocked how much you can get out of going MAP + total fuel control with enough to keep it at a nice AFR all the way up...

the stock clutch/trans can handle quite a bit of abuse, the diff pin just likes to come through the trans case when you do too many one wheel peels.

if you think its scary like that, imagine what its like with a bad alignment. boost kicks in, wheel pulls one way, car goes the other. its, uh, interesting.

Raze wrote:

93celicaGT2 wrote: I figure $350 suspension, $300 or so in tires, and that leaves me some room for a clutch, even if it's just another stocker to limp through, or a used upgrade. It'll be fine.

throw a cheap stock clutch in and put in the MS + injectors, that was the 'tons of mods' I was referring to earlier, you will be shocked how much you can get out of going MAP + total fuel control with enough to keep it at a nice AFR all the way up...

Well, the issue is.... well, look at that thread i posted. That's a CRAPLOAD of torque. I can't see the stock clutch liking that. Yeah, he's done more than i will (although it wouldn't take but a grand for me to just about duplicate that from where i am now), but i'm 100% positive that this thing is putting out over 300 to the wheels on only 10psi right now.

I can get a South Bend TZ stage 2 for less than $300 shipped to my door. I don't think stock is going to be a TON cheaper. I might be able to get away with their Rally series for about $200, i'm still waiting to hear back from them. And hell, who knows? The stock clutch might hold up til then. It's grabbing just fine now, but the throwout bearing is making a little noise i think.

I just REALLY need to do something about the suspension, even for DD duty. Struts are blown, and the springs are REALLY soft. The car is all over the place under boost, and squats so hard i drag the stock muffler. (On there just to fool people)

We'll see. I have over a year to figure everything out. If i go MS, i don't see a stock clutch holding up to 450ft lbs.

When are we going to see pictures of this thing?

Strizzo wrote: the stock clutch/trans can handle quite a bit of abuse, the diff pin just likes to come through the trans case when you do too many one wheel peels. if you think its scary like that, imagine what its like with a bad alignment. boost kicks in, wheel pulls one way, car goes the other. its, uh, interesting.

I wish you were closer... maybe you could help diagnose the weird nose that came up yesterday. I'm unsure if it's TOB or not.

I try not to smoke my tires... i've never boosted the car in 1st gear, i haven't full out launched it, and after this weekend's findings, i'm not giving it WOT in 2nd gear, either.

But it flys everywhere in 3rd gear, let me tell you.

RossD wrote: When are we going to see pictures of this thing?

Just sent an email to my girlfriend to email me the few pics that i took of it this weekend. Don't mind the oil spil beneath it. I have to replace the oil pan gasket. Has a very slow leak.

I posted a link to the original FS thread that i picked it up from awhile ago.

I'll take more tonite, too.

I need to get that and the EGT in the reader's rides anyways. And update the Celica again. It looks interesting these days.

93celicaGT2 wrote: Well, the issue is.... well, look at that thread i posted. That's a CRAPLOAD of torque. I can't see the stock clutch liking that. Yeah, he's done more than i will (although it wouldn't take but a grand for me to just about duplicate that from where i am now), but i'm 100% positive that this thing is putting out over 300 to the wheels on only 10psi right now. .... We'll see. I have over a year to figure everything out. If i go MS, i don't see a stock clutch holding up to 450ft lbs.

Um, my point is at 450 ft/lbs, a clutch is the least of your worries, afterall you're putting two to three times the force on the gears as they would see under stock conditions (correct me if i'm wrong) so most likely you will eat gears no matter what you do with the clutch. That being said, if you had a MS, besides being able to make max power, you could tune it for 'survivability' and not put so much power through it. I'm familiar with this problem as the Ford 2.3Turbo is a torque whore, luckily a T5 swap and then performance gearsets are the next available options and won't break the bank. I dunno what options are out there as far as cams, head porting, bigger valves, intake upgrades to help it flow better but that's another place to look to maximize HP vs Torque to keep you from exploding transmissions. If it were me, and I didn't want to spend alot of money on transmissions/gearsets which can get expensive (though I don't know much about MX6 performance gearset costs), I'd work on getting nice 350/350ish split with lower boost which MS will allow you to do with the right supporting mods

what all isn't stock on it?

one of my friends runs 15psi on his and put 170~ish hp and 250~ish lb ft of torque down on a mustang dyno.

Raze wrote:

93celicaGT2 wrote: Well, the issue is.... well, look at that thread i posted. That's a CRAPLOAD of torque. I can't see the stock clutch liking that. Yeah, he's done more than i will (although it wouldn't take but a grand for me to just about duplicate that from where i am now), but i'm 100% positive that this thing is putting out over 300 to the wheels on only 10psi right now. .... We'll see. I have over a year to figure everything out. If i go MS, i don't see a stock clutch holding up to 450ft lbs.

Um, my point is at 450 ft/lbs, a clutch is the least of your worries, afterall you're putting two to three times the force on the gears as they would see under stock conditions (correct me if i'm wrong) so most likely you will eat gears no matter what you do with the clutch. That being said, if you had a MS, besides being able to make max power, you could tune it for 'survivability' and not put so much power through it. I'm familiar with this problem as the Ford 2.3Turbo is a torque whore, luckily a T5 swap and then performance gearsets are the next available options and won't break the bank. I dunno what options are out there as far as cams, head porting, bigger valves, intake upgrades to help it flow better but that's another place to look to maximize HP vs Torque to keep you from exploding transmissions. If it were me, and I didn't want to spend alot of money on transmissions/gearsets which can get expensive (though I don't know much about MX6 performance gearset costs), I'd work on getting nice 350/350ish split with lower boost which MS will allow you to do with the right supporting mods

The transmission seems to hold up fine in these things if you drive them respectfully. Same with axles.

The stock head sucks for flow. That's why we see so much torque with relatively little horsepower, and the record was broken with just a little 50trim which was probably outside of it's efficiency for that pull as well.

Regardless, for the longevity issue, i'll never try to put down absolutely stupid power on this thing anyways.

belteshazzar wrote: what all isn't stock on it? one of my friends runs 15psi on his and put 170~ish hp and 250~ish lb ft of torque down on a mustang dyno.

Sounds like stock turbo dyno. Or a Tbird hybrid maybe?

Basic laundry list is: Supra CT26 50trim turbo, fmic w/ 2.5" piping, 3" exhaust (kindof. picture will make more sense), Tial 38mm external wastegate, Greddy Type S, boost controller, Supra 440cc injectors, Probinator EPROM chip, brand new assembled head from Mazda.

And here's a pic for everyone. Less than $1000 worth of Mazda, right there.

Tell me thats the exhaust in the bumper.

That thing isn't street legal with a boom tube out in front of the passenger side is it?

RossD wrote: Tell me thats the exhaust in the bumper.

That IS in fact the 3" straight out exhaust in the bumper. It's all of about 2-2.5' long. The wastegate dump is welded into that pipe as well. To say that it sounds scary is a GROSS understatement.

I'll be honest, it's the one major thing i would like to change about the car, but i can't. There isn't enough room with the current turbo setup to run a full exhaust.

I'll take a pic to illustrate why tonite.

Xceler8x wrote: That thing isn't street legal with a boom tube out in front of the passenger side is it?

I doubt it. It's not THAT loud until you really dog on it, though. It does have the stock cat back still attached to the car, so it really only gets weird looks if they're on my right side.

Around these parts, nobody cars. We don't have inspection, emissions, nada. Every boosted Hawnduh and Nissan runs open dump, we have all our V8s running open header, etc etc etc.

I don't mind it. I DO wish i could dump it under the car though.

The fireballs coming out the bumper are pretty entertaining though.

^^theres some kinda electric solenoid actuated butterfly you can get that allows you to flip a switch and go between "boom tube" and "quiet and mannerly-ish". Dunno if it can be done in that engine bay, but thats my contribution

4cylndrfury wrote: ^^theres some kinda electric solenoid actuated butterfly you can get that allows you to flip a switch and go between "boom tube" and "quiet and mannerly-ish". Dunno if it can be done in that engine bay, but thats my contribution

Yeah, i would like that, but the issue is that i don't think i have clearance to run an actual exhaust on this car. Or if i could, it'd be like... 1.5" and i'm not sure how i feel about that on this car.

I'll have to take a picture when i get home to illustrate my packaging issues.