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Old 06-12-2014, 06:10 PM   #1
oldandnew
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New APS setup.

Well after a long time coming I'm finally getting to in joy my car again..

New Set up.

Iron block
403 cu block has a lot hours in it, oil passage work, line honed and decked
APR main stud kit
APR head stud kit
Brian Tooley Lifters
ls2 lifter trays
C5R timing chain
Trick performance cam retainer plate for using LS2 timing chain tensioner
LS9 head gaskets
4.005 bore Wiseco -20 pistons
4.00 stroke Eagle crank and rods, with armor coating.
LS3 heads with hollow stainless intake valves, Inconel exhaust valves
heads were decked for flatness
Stock Ls3 intake
92LB injectors at 3 bar.
Lonnies double intake fuel system with billet fuel rails
Ls2 TB

Kit APS with LGmotorsports turbos

Car is 2005 GTO built 4L65e
SD tune
car will be getting dyno tuned in 2 or 3 weeks

Decided to make a new post.
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9.88@143 1.60 60' 14Lb of boost

Next setup
403 Iron motor. CNC LS9 heads, Built 4L80e, FTI triple disc 3200 stall, ID1300, duel Walbro 450 pumps... still on a built Stock diff(by the Band One),small cam 4200LB
Tuned by Nola High Performance LLC.
Fuse fuel feed (Custom E55 Blend)

Last edited by oldandnew; 06-12-2014 at 08:37 PM.
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Old 06-12-2014, 08:21 PM   #2
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Few pictures
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Old 06-12-2014, 08:27 PM   #3
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Looks sweet!
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Old 06-12-2014, 08:34 PM   #4
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Compression on the motor is 9.3.1
Looking for at least 800 to the wheels.

Came is tick custom cam 226/237 115.5+6 605/610.
Stock rear end for now ( having a 3.07 rear end build down the road)
Gforce axles
Stock 2 pic drive shaft.

AEM tru boost
AEM wide ban
AEM meth kit (not using just yet)

Custom 3 in duel exhaust with magnoflow mufflers

Last edited by oldandnew; 06-12-2014 at 08:42 PM.
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Old 06-12-2014, 09:33 PM   #5
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Mishimoto catch can is going on tomorrow. Was going to get a monster can. But got the mishimoto cam for a very good price. Hope it fixes the misting issue.
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Old 06-14-2014, 05:43 PM   #6
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So been driving the car all day. Think I'm going to need new cooling fans.... car temp wants climb pass 220. Don't like the car seeing 230... When it's sitting still with the ac on. Once I star moving it goes down to 200..
Have to fans set to come on at 180. But doesn't seem like they are pulling a lot of air? Been some time sense I drove the car a lot. I remember the fans would kick on hight once the temp got pass 210. Now they just stay on the same speed?
So tomorrow I'll be hunting for some replacement fans I guess. Also I replaced all the relays in the last 8 mouths. So don't think that is the issue
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Old 06-14-2014, 08:09 PM   #7
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Good to hear the LG turbo upgrade is still available. What was the wait time for those?
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Old 06-14-2014, 09:38 PM   #8
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Quote:
Originally Posted by evltwins...View Post
Good to hear the LG turbo upgrade is still available. What was the wait time for those?

I got them with the kit used. Last time I checked LG they said they have them in stock.
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Old 06-15-2014, 04:21 AM   #9
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Good to know. Thanks
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Old 06-16-2014, 04:46 AM   #10
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Please post any solutions to the high temps. I have a 390 iron block with the APS kit and temps keep rising at a stop or in traffic. As soon as I open the hood temps drop dramatically. A cowl hood would prob work well but i am not a fan of them. Let me know if you replace the fans and if that helps.
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Old 06-16-2014, 05:50 AM   #11
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Quote:
Originally Posted by Frank12...View Post
Please post any solutions to the high temps. I have a 390 iron block with the APS kit and temps keep rising at a stop or in traffic. As soon as I open the hood temps drop dramatically. A cowl hood would prob work well but i am not a fan of them. Let me know if you replace the fans and if that helps.

Will do, going to try a few things today. First going to see if adding fuel at idle will help cool the cylinders. Only see the temp raise at idle. Noticed that my car is very lean off idle.
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Old 06-16-2014, 07:29 AM   #12
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Are you still running the stock radiator?
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Old 06-16-2014, 04:26 PM   #13
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Ron Davis 3 core one.

So today I was driving the car. On the highway it was 195-200 but as soon as I got off the temp started to go up.... So I pulled into a gas station and jumped out the car.

Both the fans were on but on low... I have them set to come on 100% at 190 or so. So I tried to manually turn them on high with HPtunners. They did not go on high. So I cut the car off, just in time temp (245deg).....
I pulled all the relays and check them. None was burnt up or not clicking. So with the car off I tried again to turn the fans on. But now nothing happened.
At this point I lost for a resin why they will not respond.

I ended up jumping fan relay 3. Witched kicked both fans on high. The temp came back down to 200 and I was able to get back home.

So going to check the fan circuits tomorrow and try to see what this issue is.
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Old 06-16-2014, 11:35 PM   #14
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Found the issue with the fans. ended up being the tune I loaded in the car. don't know what happened but it was making a few things go crazy.
reloaded the tune before and fans working right.

So back to the temp with the a/c on. Talked with my friend who's shop I built the car in. he thinks im should try a pusher fan in front of the intercooler. to help get air throw it when the car is not moving and trying to pull air throw the a/c condenser and inter cooler.

Now have to find a fan that can fit between the bumper and intercooler....
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Old 06-17-2014, 06:21 AM   #15
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Do you have ducting between the intercooler and the rasdiator? Try doing that. The problem is the intercooler is blocking a lot of your air flow. Make sure there are no gaps between the bumper and the intercooler; and the intercooler and the radiator. Is your radiator cover still in place? You want all the air directed to the radiator. Something else I was going to try was a fan shroud out of aluminum with built in flaps. So at a stop, the flaps would be closed and the fans would pull air through the radiator. When cruising the air would move the flaps open and allow air to flow through the other parts of the radiator. I never goet around to doing it, but it seemed like a sloid plan and I saw it on a few racecars. Its a battle I have had on many turbo cars. I ended up having to vent my hood and run an intercooler sprayer to get it to cool down (intercooler sprayer dropped coolant temps 10-20 degrees). This was on a DSM though with a 28x12x3.5inch intercooler.
I think youd want a puller fan on the back of the intercooler, you want as much surface area on the front of the intercooler not blocking the airflow.
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Last edited by CGMike; 06-17-2014 at 06:25 AM.
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Old 06-17-2014, 05:17 PM   #16
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Did a little work on the car today
Pulled the bumper and rain the car sitting still a/c on and off. Temp would go up steady with the a/c on pass 215+.
With the the a/c off the cat would run from 195 to 205 and stay there.
The issue is with the a/c the car will not cool down at a idle.
I did notice that the fans are having a hard time pulling air threw the intercooler. You can barely feel any air moving in front of it.

So I'm thinking of replacing the stock fans. Going to look around for some custom fans. These stock ones are not going to cut it down here in New Orleans. ...
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Old 06-23-2014, 05:46 PM   #17
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Have some new fans(not GTO fans but from another car) on the way this week. But in the meantime. .. car going to Houston Wednesday to get dyno tunes at D3 Performance.
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Old 06-25-2014, 04:42 PM   #18
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Wanted 800 rwhp but in ended up with 750 rwhp And 924 rwtq
17-18 lbs of boost. Unlocked converter. Need another wast gate springs to go up on the boost pass 18lb

Also need to go bigger on the injectors they where at 90% duty

The dyno sheet is a little funny. ...
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Old 06-25-2014, 05:57 PM   #19
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92lb injectors. But I didn't have to fuel pressure turned up so I have a little room
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Old 06-26-2014, 05:51 AM   #20
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One other thing I'm thinking is I might add some cut outs to the car. Help get the exhaust out faster.
Running it threw a duel 3 in magna flow right now
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Old 06-26-2014, 06:08 AM   #21
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That torque is amazing...but the hp seems to peak pretty early. Are the turbos running out of steam or what?
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Old 06-26-2014, 07:04 AM   #22
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Quote:
Originally Posted by slammin86...View Post
That torque is amazing...but the hp seems to peak pretty early. Are the turbos running out of steam or what?

Cam. That's gotta be ridiculous on the street. 600 tq at 3000rpms then 800 at 3500?!

I'd want more than 1500 rpms of 'fun' (read: bone crushing acceleration) from this set up personally.
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Old 06-26-2014, 03:17 PM   #23
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Just got the car home
Haven't been able to see how it is in the street yet
It's been raining all day.
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Old 06-26-2014, 04:25 PM   #24
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Cam. That's gotta be ridiculous on the street. 600 tq at 3000rpms then 800 at 3500?!

I'd want more than 1500 rpms of 'fun' (read: bone crushing acceleration) from this set up personally.

I'm looking into a few things as of peaking power and low rwhp for the boost level.

As far as cam. What you think about it?
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Old 06-27-2014, 05:19 AM   #25
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The fan not pushing enough air isn't an issue with the fan it's an issue with the hot air having nowhere to go. If you open the hood you will feel that the fan is pulling twice the amount of air when open. Going to remove the skid plate later and see if that helps any. I am trying to come up with a way to add vents to the hood that wont look ridiculous. I am going to go with a more aggressive coolant mixture for the summer - 20% coolant, 2 bottles of water wetter and the rest distilled water. Also adding PTP lava turbo blankets to try and reduce under hood heat. Will let you know if any of this helps.
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Old 06-27-2014, 08:28 AM   #26
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Quote:
Originally Posted by oldandnew...View Post
Wanted 800 rwhp but in ended up with 750 rwhp And 924 rwtq
17-18 lbs of boost. Unlocked converter. Need another wast gate springs to go up on the boost pass 18lb

Also need to go bigger on the injectors they where at 90% duty

The dyno sheet is a little funny. ...

What fuel are you running?
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Old 06-27-2014, 08:35 AM   #27
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Quote:
Originally Posted by Frank12...View Post
The fan not pushing enough air isn't an issue with the fan it's an issue with the hot air having nowhere to go. If you open the hood you will feel that the fan is pulling twice the amount of air when open. Going to remove the skid plate later and see if that helps any. I am trying to come up with a way to add vents to the hood that wont look ridiculous. I am going to go with a more aggressive coolant mixture for the summer - 20% coolant, 2 bottles of water wetter and the rest distilled water. Also adding PTP lava turbo blankets to try and reduce under hood heat. Will let you know if any of this helps.

I have a vented hood. It's after market. Just got the car tuned by D3 performance engineering in houston. Car was running lean at idle. Going to drive it around today and see if the new tune helps.
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Old 06-27-2014, 08:40 AM   #28
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What fuel are you running?

Gulf 116 unleaded. But I didn't have the vacuum reference on the regular hooked up. So that was part of the issue. The fuel pressure was set at 50 and it should have been at 58 and increase to 65 when boost came in.

Going to see if about adding two electric cut outs to see if the exhaust is restricted and causing the short power band.
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Old 06-27-2014, 08:53 AM   #29
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Gulf 116 unleaded. But I didn't have the vacuum reference on the regular hooked up. So that was part of the issue. The fuel pressure was set at 50 and it should have been at 58 and increase to 65 when boost came in.

Going to see if about adding two electric cut outs to see if the exhaust is restricted and causing the short power band.

Ah, did you run/tune it on pump as well?

The only thing with doing cutouts is if you tune with them open, you'd only want to go WOT with them open. The boost response will be completely different when closed.
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Old 06-27-2014, 09:44 AM   #30
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I think its the largest contributing factor to that curve.

Just not crazy about that LSA with that exhaust duration but there are tons of people far more informed on the topic than me. I think you could run a lot more dur with that LSA or pinch the LSA down to 112-113 for that duration.
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