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    Thread: Big turbo build- take two

    1. 01-21-2012 11:35 PM #141
      any updates

    2. Member Doooglasss's Avatar
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      01-26-2012 09:54 AM #142
      Sorry guys- just got back from a ski trip in Colorado.

      Last week I replaced the WB sensor and Max and me did a few log & learn runs. The WB cured Maestro not reading the AFR, however, we were having a strange problem where the car makes power up until 5k correctly then pretty much nothing until 6k and then pulls like a freight train to 7k. In that drop off (5-6k) it has perfect AFR's and holds 20psi.

      Spoke to Max last night and we're going to schedule some more time to figure it out now that I'm back.
      -Doug

    3. Moderator PLAYED TT's Avatar
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      01-26-2012 10:06 AM #143
      The fact that it's running and the only problem so far is the tune is enough to make me happy.

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      01-26-2012 11:14 AM #144
      Congrats on everything going together! you should post a teaser clip of her idling!!!!

    5. Member Doooglasss's Avatar
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      01-26-2012 01:47 PM #145
      Quote Originally Posted by zak2006 View Post
      Congrats on everything going together! you should post a teaser clip of her idling!!!!
      Will do- it's LOUD. Needs a resonator and a different muffler loud.
      -Doug

    6. Moderator PLAYED TT's Avatar
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      01-26-2012 02:38 PM #146
      Loud is good

    7. Member Doooglasss's Avatar
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      01-27-2012 10:25 AM #147
      to give everyone an idea of how precise these maestro logs are-

      I just posted these up in the Maestro help thread to try and solve my issue.

      Excel file download


      -Doug

    8. Member 631 Corrado's Avatar
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      01-27-2012 08:36 PM #148
      Quote Originally Posted by PLAYED TT View Post
      Loud is good

      loud makes the small village of Huntington rattle.

    9. Moderator PLAYED TT's Avatar
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      01-27-2012 11:36 PM #149
      Quote Originally Posted by 631 Corrado View Post
      loud makes the small village of Huntington rattle.
      And ll the feeble minded weak people will cower in the shadows.

    10. Member 631 Corrado's Avatar
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      01-28-2012 08:06 AM #150
      rofl!

    11. Member Doooglasss's Avatar
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      01-29-2012 08:11 PM #151
      There was a code related to the crankshaft position sensor that popped up...

      Took it out, cleaned it off and reinstalled. The car runs perfectly- no hesitations under boost. My AFR's need to be fine tuned but that is just a mater of time.

      -Doug

    12. Moderator PLAYED TT's Avatar
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      01-29-2012 08:47 PM #152

    13. Banner Advertiser doug@frankenturbo.com's Avatar
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      01-30-2012 10:04 AM #153
      I saw your Excel spreadsheet, which shows boost duty in the 75% range. Is the N75 hooked up or are you simply using an mbc?
      www.frankenturbo.com
      Let's Do This

    14. Member Doooglasss's Avatar
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      01-30-2012 11:05 AM #154
      I'm using a ball and spring MBC. It's a dual stage controller with an electronic solenoid - I wanted to be able to switch between normal (20psi) and high boost (35 psi?) on the fly.

      It's the deluxe unit by boost valve: http://www.boostvalve.com/pricelist.html

      What map are you using to adjust part throttle fueling? "power enrichment"? I'm seeing rich numbers at part throttle and even 02 correction at idle. I'd like to have as little 02 correction as possible.

      New excel sheet with the car working correctly, posted in the Maestro help thread
      -Doug

    15. Member Doooglasss's Avatar
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      02-08-2012 10:03 AM #155
      Updates:

      Tuning:


      Quote Originally Posted by 20v master View Post
      Put a gauge on that OEM FPR and you'll see that they aren't very precise, aka it won't be right @ 43.5 psi.
      Quote Originally Posted by MKllllvr28 View Post
      Mine's off by 4 psi. I run the rmr adapter.
      So you guys were right... I'm buying an Areomotive. I didn't put a gauge on my FPR, however, if I re-tune Maestro to work with ~850cc injectors it runs PERFECTLY with very low 02 correction. Did the math and that's about 39psi of fuel pressure on my ID1000's.

      Before I figured that out, I looked at the ID1000's datasheet on Ed's advice. Turns out at 3bar FPR they only run at 900cc. At first I re-tuned for that and it worked better. Then I read this thread, specifically this paragraph:

      Quote Originally Posted by MmmBoost;
      The first value of 032 will be the additive fuel trim. This is how much fuel is added on or subtracted. To find out how much extra pulse width is being added/subtracted, take the percentage in the first space and multiply it by your injector constant to get (ms). This should tell you roughly how much time to add or subtract from your battery voltage compensation table depending on your system operating voltage.....idle voltage.......etc.

      The second value is multiplicative. This value the multiplication factor for the injector constant that you put in. If it says 13% that means the ECU is scaling your Injector Constant by +13%. So you should scale your value by 13%.
      Found that after a 30 minute drive to work my 032 multiplicative corrections were at 7% so I added 7% to my injector constant and ended up with a near perfect running car with close to 0 o2 corrections under full load and below 10 while cruising. Adding that 7% to the constant got me to the ~850cc injectors. Note: As the injector constant increases, that symbolizes a smaller injector.

      Now before making any further progress I really have to get an adjustable FPR and get these things running 4bar of pressure on the dot which should make 1000cc @ 14volts (which is my voltage).

      Over the next couple of days I'll be trying to understand which fuel tables Maestro is referencing and when. There are two to my knowledge, however, in the past with the wrong injector constant I couldn't get one of them to be active. I will try again now though. I do have the car part throttle and cruising up to 3,200 rpms between 14-15 AFR. This is making my car a 25mpg + city driving car . I've gotten 200 miles to half a tank and about 2/3's of those I was beating the hell out of this thing (7.5k RPM pulls all day long) and no highway miles to speak of.

      Other news:

      My cluster MPH & Gas gauge not working turned out to be a fuse. I did replace the speed sensor though so just $80 wasted and a new sensor. Opps, I'll live. The gas gauge is still optipmistic by about an 1/8th of a tank I think. I'll soon find out because I'm going to run it dry with a spare tank in the car later this week.

      Swapped Magnaflow mufflers from a chambered to a straight through with packing. Makes the car much quieter, however, LOUDER under WOT. I have to visit Force Fed to have the muffler, resonator and Eurojet tip finally welded up.

      Ordered all Fragola lines and fittings to replace the rubber.

      Found a transmission fluid leak to be coming from the drain plug. I'll be grabbing MT-90 or Royal Purple today and do a flush tonight.

      Future steps: get adjustable FPR & Fragola lines installed. Retune for 1000cc on pump. Get 02 corrections in-line through adjusting injector constant & battery compensation voltage (injector fine tuning). Call Max and switch to E85. Rape souls on the dyno.
      Last edited by Doooglasss; 02-08-2012 at 10:05 AM.
      -Doug

    16. Member Doooglasss's Avatar
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      02-13-2012 10:13 PM #156
      Last Friday I drove to Force Fed and Ed welded on a new muffler and tip for me. I swapped from a Magnaflow chambered to a straight through with packing. The car is still too loud but MUCH more liveable. It's gonna get a Vibrant ultra quiet resonator (still straight through). Shouldn't loose power, I just want to loose the highway cruising drone. Right now accelerating isn't bad and crusing just needs a few DB's lowered- but full throttle is even louder than before- it sounds like straight open wastegate.

      Also on my way there I snapped the nut & stud off my shifter at the trans side with one mean shift I guess? Who knows. Either way I pulled that whole mechanism out of the transmission and I should be able to drill and tap it on the drill press at work tomorrow. Be up and running again by Wednesday night I hope.

      Here are some photos. One is before I aligned the exhaust tip, but it's the only good one I really have in the light. The tip sits centered perfectly now.















      Also got my fuel pressure gauge. Regulator is at FFE, just waiting on a few fittings to do this all correctly.

      -Doug

    17. Member 01ttgt28's Avatar
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      02-13-2012 11:46 PM #157
      Looks fun nice gauge I love getting new parts in its like Christmas when I'm opening the boxes.
      http://forums.vwvortex.com/showthrea...t-done-I-guess
      ^^^Big Turbo build lots of pics^^^
      Best shop for repair and custom workin ma
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    18. Member 01ttgt28's Avatar
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      02-14-2012 12:19 AM #158
      Hey Doug you seen these yet I just ordered them u think their any good???


      http://www.034motorsport.com/chassis...o-p-22328.html
      http://forums.vwvortex.com/showthrea...t-done-I-guess
      ^^^Big Turbo build lots of pics^^^
      Best shop for repair and custom workin ma
      http://www.wentworthmotorsports.com/

    19. Member Doooglasss's Avatar
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      02-14-2012 08:13 AM #159
      I wanted to buy those but I've sworn to this commitment of never taking my subframe off again! I'm not sure how much of a difference they make but $50 and getting rid of some rubber sounds real good to me.

      I've been interested in a camber plate for awhile. I don't want to totally sacrifice ride quality but do want to get rid of our terrible design. Been looking at these since they are by Kmac and their bushings have held up really well in the rear of my car...

      http://www.usrallyteam.com/index.php...oducts_id=1365

      -Doug

    20. Member 631 Corrado's Avatar
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      02-14-2012 07:33 PM #160
      i will chime in about thoes sub frame bushings from the r32 world and what people have had to say about them.... they dont do all that much but make your car vibrate more. comming form someone who has has solid metal mounts in thier R its not comfortable. would i put them in my car... yes, probbly... is it worth the cash. no. haha but thats my 2 cents.

    21. Moderator PLAYED TT's Avatar
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      02-14-2012 08:51 PM #161
      Yeah some reviews would be nice

    22. Member Doooglasss's Avatar
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      02-22-2012 04:21 PM #162
      Fuel system is all together. Fragola everything except one 45' fitting I didn't have- that will have to be fixed later. Headlight needed some trimming, after the photos I filled it in with epoxy. Coolant resivour was pushed a little towards the motor to fit the fuel pump correctly.

      I just got my shift stalk back from my job. They machined down the gear so no more need for a concave nut. They drilled and tapped it for an M6 bolt, I was told that M8 would have left too little wall thickness and could compromise the gears strength. Came out perfectly- now lets see if it holds up.

      Now I just need to get rid of that red coolant line











      -Doug

    23. Moderator PLAYED TT's Avatar
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      02-22-2012 04:39 PM #163
      Yeah red wasnt the best choice

    24. Member Doooglasss's Avatar
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      02-22-2012 04:43 PM #164
      Quote Originally Posted by PLAYED TT View Post
      Yeah red wasnt the best choice
      Find me a black braided one!
      -Doug

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      02-22-2012 05:19 PM #165
      i want those camber plates!!! freaking pricey though!

    26. Member l88m22vette's Avatar
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      02-22-2012 07:06 PM #166
      A nice tweak would be a heatshield for that stuff, between it and the coldpipe. Or, maybe even shorten the fuel feed line and move the pump and FPR back (so the FPR sits between the PS res and the fender). Maybe angle the gauge up 45* so you can read better, and still easily adjust the FPR

      Sorry, I'm OCD, I'll shut up if you want me to
      Audi TT mk1 FAQ zero Fuchs given

      Quote Originally Posted by deucestudios View Post
      Portland didn't like the Hellcat. Mr Farrah should have put a bird on it.

    27. Member Doooglasss's Avatar
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      02-23-2012 08:22 AM #167
      Quote Originally Posted by l88m22vette View Post
      A nice tweak would be a heatshield for that stuff, between it and the coldpipe. Or, maybe even shorten the fuel feed line and move the pump and FPR back (so the FPR sits between the PS res and the fender). Maybe angle the gauge up 45* so you can read better, and still easily adjust the FPR

      Sorry, I'm OCD, I'll shut up if you want me to
      It's TIGHT in there. As it is I needed to bend the coolant resivour mounts to fit the pump that far back and cut the headlight to fit the FPR gauge. I can't change anything unless I get a custom resivour for both PS & coolant or relocate the pump under the car and get an inline filter.

      Nothing actually needs mounting brackets. That's how tight it all is!
      -Doug

    28. Member 01ttgt28's Avatar
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      02-23-2012 08:23 AM #168
      Quote Originally Posted by bklnstunt718 View Post
      i want those camber plates!!! freaking pricey though!
      I found theses http://www.ebay.com/itm/Pro-Alignmen...item5ae0476877

      Their alot cheaper

      http://forums.vwvortex.com/showthrea...t-done-I-guess
      ^^^Big Turbo build lots of pics^^^
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      http://www.wentworthmotorsports.com/

    29. Member 01ttgt28's Avatar
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      02-23-2012 08:29 AM #169
      Quote Originally Posted by DougLoBue View Post
      It's TIGHT in there. As it is I needed to bend the coolant resivour mounts to fit the pump that far back and cut the headlight to fit the FPR gauge. I can't change anything unless I get a custom resivour for both PS & coolant or relocate the pump under the car and get an inline filter.

      Nothing actually needs mounting brackets. That's how tight it all is!
      I got what u need check this out its only $229

      I what one just got to many other things to buy right now

      http://forums.vwvortex.com/showthrea...t-done-I-guess
      ^^^Big Turbo build lots of pics^^^
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    30. Member Doooglasss's Avatar
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      02-23-2012 09:05 AM #170
      I think that's the same as the SPC kit.

      $80/side on summit: http://www.summitracing.com/parts/SPS-81340/

      -The res. I was considering having a friend weld up at work. I'd just need to cut the metal and tell them how I want it mangled together.
      -Doug

    31. Member 01ttgt28's Avatar
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      02-23-2012 09:35 AM #171
      Quote Originally Posted by DougLoBue View Post
      I think that's the same as the SPC kit.

      $80/side on summit: http://www.summitracing.com/parts/SPS-81340/

      -The res. I was considering having a friend weld up at work. I'd just need to cut the metal and tell them how I want it mangled together.
      Yeah that's Def the same and $100 cheaper so what's the difference from the two????
      http://forums.vwvortex.com/showthrea...t-done-I-guess
      ^^^Big Turbo build lots of pics^^^
      Best shop for repair and custom workin ma
      http://www.wentworthmotorsports.com/

    32. Member Doooglasss's Avatar
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      02-23-2012 10:52 AM #172
      Quote Originally Posted by 01ttgt28 View Post
      Yeah that's Def the same and $100 cheaper so what's the difference from the two????

      I think they are the same part, except the summit ones are sold per side and the piece you were looking at is a both side kit. So summit will only save you around $25... I just like the KMAC part because their rear bushings have worked well for years for me...
      -Doug

    33. Member Neb's Avatar
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      02-23-2012 11:17 AM #173
      dang you need a new coolant bottle
      | BENPURKISSDESIGN |

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      hellaflush-hellafail-stanced-stancing-mental retardation-beaners etc.

    34. Member Doooglasss's Avatar
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      02-24-2012 12:27 PM #174
      Just ordered VVT tensioner and new cam chain- can't wait to see how much lag this reduces!
      -Doug

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      02-24-2012 06:06 PM #175
      Quote Originally Posted by DougLoBue View Post
      Just ordered VVT tensioner and new cam chain- can't wait to see how much lag this reduces!
      Should I post this in the noob thread...

      Can you explain how a new vvt tensioner and cam chain will reduce lag? Can't wrap my head around the logistics of that.

      Thanks D

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