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Old 03-31-2015, 10:44 AM   #1226
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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Originally Posted by evilspoons View Post
You'd never know anything is going on under the hood of that car if you saw it from the left or the back.... and based on that dyno if you drive it around under 3000 rpm it looks about as fast as a base model Impreza too, ha ha.
Out of boost it's pretty slow. LOL.

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Originally Posted by cghxhg View Post
Thanks everyone. No plans set in stone yet. Eventually it will start getting power mods though.
OK, great!
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Old 03-31-2015, 12:12 PM   #1227
08OBS
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Not sure if this has been asked but do you have stock brakes? Any plan for upgrading? All that power and tiny stock brakes kind of scares me haha.
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Old 03-31-2015, 12:28 PM   #1228
xluben
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Not sure if this has been asked but do you have stock brakes? Any plan for upgrading? All that power and tiny stock brakes kind of scares me haha.
Yes, stock brakes. They'll still do a single stop just as well as an STI or any other big brake kit. It's not something I would want to do a road course with, but for street and drag strip it's not a problem. Plus, thee allow me to fit 15" wheels.
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Old 04-01-2015, 08:49 AM   #1229
xluben
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Put on 5mm universal spacers yesterday. The inside of the tire clears the strut by a few mm's now. The tires rub on the fenders on big bumps though, so I will definitely have to do a fender roll.







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Old 04-01-2015, 12:39 PM   #1230
burgerwhat
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Looking great man!! Love the RPF1s in black on that silver..
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Old 04-01-2015, 12:49 PM   #1231
subezero
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Those RS-R's are huge for a 255 wow..I was about to order some 255's for my 17x9s but I think I'll step it down to a 245. I know you've used a few sets of them before, what kind of life do you get out of them?
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Old 04-01-2015, 01:02 PM   #1232
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Those RS-R's are huge for a 255 wow..I was about to order some 255's for my 17x9s but I think I'll step it down to a 245. I know you've used a few sets of them before, what kind of life do you get out of them?

Federals almost always run wide like that. Any other brand likely wouldn't be quite as meaty
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Old 04-06-2015, 10:05 AM   #1233
xluben
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Looking great man!! Love the RPF1s in black on that silver..
Thanks!

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Originally Posted by subezero View Post
Those RS-R's are huge for a 255 wow..I was about to order some 255's for my 17x9s but I think I'll step it down to a 245. I know you've used a few sets of them before, what kind of life do you get out of them?
They're one of the longer lasting tires in this range of gripiness. I've been very happy with them, especially for the price.

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Originally Posted by John_Clark42 View Post
Federals almost always run wide like that. Any other brand likely wouldn't be quite as meaty
They do run on the wider side. Especially their 235's. The Federal 255's are nearly exactly as wide as Star Spec 255's (which also run somewhat wide).
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Old 04-06-2015, 10:09 AM   #1234
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I picked up some eBay center caps ($30 vs. $100+ for the Enkei RPF1 version) as well as hubcentric adapter rings, spline drive lugs, and black aluminum valve stem covers. Here's a shot of the center caps. I'm happy with them. Similar build to the real Enkei ones that I've had before.



I rolled the rear fenders last night. I didn't have time to do the fronts yet, so I'm still not driving on the RPF1's. I think with the roll they should clear OK, but I'm still waiting to find out. Right now I have RPF1's in the back and stock wheels in the front. Haha. Not driving it of course. Just waiting for me to have time to roll the front.
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Old 04-06-2015, 10:14 AM   #1235
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Over the weekend Fuji and I played with the cam timing a little bit more. Over the summer we switched the intake cam to be one tooth advanced to get some more mid range. Last week we put it back to normal and the top end bumped up a little (as well as shifted the powerband right). The top end was still dropping off hard though, so we moved the intake and exhaust cams 1 tooth more retarded.

After the most recent change the powerband shifted again to the right a few hundred RPM's. Peak numbers are about the same, but up at redline there are huge gains. The power doesn't drop off nearly as much. Compared to when I had the timing advanced it is close to 100WHP more at redline (even with boost slightly lower up top). The peak torque isn't as high but for drag use this new powerband should be better due to the top end power.

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Old 04-06-2015, 10:33 AM   #1236
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Now it is starting to look a lot more like what it should for this turbo.

It's really a bummer that there's no easy way (that I know of) to control cam timing with your setup to spool it up better and have the best mid-range and top-end possible. For drag is doesn't really matter, you stay up in the top of the power-band and you've about maximized that. I don't know how much you street drive this car or care about response so maybe its not a big deal to you.

Looking forward to seeing what it can do at the drag strip.
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Old 04-06-2015, 11:15 AM   #1237
xluben
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Originally Posted by WRXt4cy View Post
Now it is starting to look a lot more like what it should for this turbo.

It's really a bummer that there's no easy way (that I know of) to control cam timing with your setup to spool it up better and have the best mid-range and top-end possible. For drag is doesn't really matter, you stay up in the top of the power-band and you've about maximized that. I don't know how much you street drive this car or care about response so maybe its not a big deal to you.

Looking forward to seeing what it can do at the drag strip.
I've been taking it to work and back as long as it's nice out. Wider powerband would be nice, but it's not really that big of a deal to me. Switching to a full dual AVCS setup would be nice but I don't think it's worth the cost/time to me. I think keeping that big midrange torque spike down may actually help keep the car together for a little longer (while still going as fast or faster at the strip). The butt dyno feel is quite a bit different. Before it had a HUGE midrange pull and then fell off up top. Now the setup just pulls smoothly all the way up to the top.
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Old 04-06-2015, 11:30 AM   #1238
WRXt4cy
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Originally Posted by xluben View Post
I've been taking it to work and back as long as it's nice out. Wider powerband would be nice, but it's not really that big of a deal to me. Switching to a full dual AVCS setup would be nice but I don't think it's worth the cost/time to me. I think keeping that big midrange torque spike down may actually help keep the car together for a little longer (while still going as fast or faster at the strip). The butt dyno feel is quite a bit different. Before it had a HUGE midrange pull and then fell off up top. Now the setup just pulls smoothly all the way up to the top.
Yeah, if you were more interested in street or road course use, it might be worth it. For a car build to drag race, it probably isn't. A lot of guys seem to delete AVCS on drag cars.

Timing could be used to control torque spike I would imagine. I'm guessing less could be used at peak torque and then have it ramp back up to flatten out the torque. That's what I like to do anyway to keep things happy. It doesn't make nearly as high of peak torque numbers but it doesn't stress the engine out as much when the boost hits. Everyone has their own approach to tuning though. Some people like to have a lot of torque at peak boost to get the car moving quickly.

When is the first trip to the drag strip going to be?
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Old 04-06-2015, 11:37 AM   #1239
xluben
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When is the first trip to the drag strip going to be?
I still need to sort out my rear end. I broke off the nut inside the frame that holds the rear T-brace in place (which holds up the front of the diff). I'll trying to repair that soon as well as swapping to an r180 and DSS rear axles. I picked up my track wheels/tires last week so once the diff and axles are done I should be good to go.

There is a Sport Compact event in WI at the end of the month. This is typically considered a street tire event so they do little to no track prep. I'm not sure if it will be worth going. The first Proving Grounds isn't until June, but I'd like to go before that if I can. Still cold in MN right now, so a lot of it could be weather dependent.
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Old 04-06-2015, 01:26 PM   #1240
xluben
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Drag Setup (15x7" +35 with 26x8.5" Slicks):







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Old 04-08-2015, 09:39 AM   #1241
xluben
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Working on the rear end with @istoptofly. I had a nut broken off in the frame rail so he cut the T-brace off and then cut a chunk out of the frame rail to get the nut out and do the repair. He'll have to rebuild that section and then we'll be putting in his less rusted T-brace (with upgraded bushings) as well as an r180 and DSS rear axles.

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Old 04-08-2015, 11:21 AM   #1242
SubasaurusWrex
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Your lack of brakes concern me.
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Old 04-08-2015, 11:26 AM   #1243
Shortpersonbk
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Default xluben's FogTurbo Bugeye | NF Performance | 2002 WRX | 6266 | 2.5L | 6MT

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Originally Posted by SubasaurusWrex View Post
Your lack of brakes concern me.

Why?
His car will stop just as fast as a car on brembos with similar tires. A track day would be different but a couple 130-0s at the drag strip won't be a issue at all.


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Old 04-08-2015, 11:33 AM   #1244
xluben
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Originally Posted by Shortpersonbk View Post
Why?
His car will stop just as fast as a car on brembos with similar tires. A track day would be different but a couple 130-0s at the drag strip won't be a issue at all.


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Exactly. I won't be road coursing this car. Stopping from high speed is not a problem at all as long as the brakes are allowed to cool down between stops.

PS. I hope I am higher than 130 through the traps. Haha.
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Old 04-08-2015, 11:35 AM   #1245
Shortpersonbk
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Default xluben's FogTurbo Bugeye | NF Performance | 2002 WRX | 6266 | 2.5L | 6MT

If you don't I'll be very upset with you Lol.
You should be around 140 though Imo based off my 62 setup, you having a lot less weight and a proper exhaust. It's going to eat for sure.


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Old 04-08-2015, 11:39 AM   #1246
xluben
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Originally Posted by Shortpersonbk View Post
If you don't I'll be very upset with you Lol.
You should be around 140 though Imo based off my 62 setup, you having a lot less weight and a proper exhaust. It's going to eat for sure.


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What did your car run/trap with the 62mm? I am hoping I will trap upper 130's and maybe 140. I feel like with a good pass a 62mm turbo could do 9's. It won't be easy though.
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Old 04-08-2015, 11:42 AM   #1247
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Originally Posted by xluben View Post
What did your car run/trap with the 62mm? I am hoping I will trap upper 130's and maybe 140. I feel like with a good pass a 62mm turbo could do 9's. It won't be easy though.

I ran a 10.4 at 134 with a trashy 1.6 60 foot because I don't seem capable of better and the track was too cold to hookup well. But that was with a 2.5 inch downpipe and sketchy hotside parts exhaust leak ect.
Lots of things were sketchy where you seem to have top shelf replacements.


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Old 04-08-2015, 12:00 PM   #1248
xluben
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I ran a 10.4 at 134 with a trashy 1.6 60 foot because I don't seem capable of better and the track was too cold to hookup well. But that was with a 2.5 inch downpipe and sketchy hotside parts exhaust leak ect.
Lots of things were sketchy where you seem to have top shelf replacements.

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I could only do 1.6's last summer, but that was on street tires. I'm curious to see what I'll be able to do with the r180, DSS axles, and slicks this summer. I don't have much experience with slicks so it should be interesting. If I can trap close to 140mph I think 9's will be within reach. It will take a good pass though.
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Old 04-08-2015, 12:13 PM   #1249
Shortpersonbk
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I could only do 1.6's last summer, but that was on street tires. I'm curious to see what I'll be able to do with the r180, DSS axles, and slicks this summer. I don't have much experience with slicks so it should be interesting. If I can trap close to 140mph I think 9's will be within reach. It will take a good pass though.
I think its possible for sure with a good 60, especially with the dropped weight if you can 1/8th mile well and trap closer to 140 in the 1/4th its in the bag. I vote you turn it up a little .
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Old 04-08-2015, 12:32 PM   #1250
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Your lack of a drag chute concern me.
FTFY
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