Is it possible to Clock the stock Turbo?

[SeR_Cyclops]

I looked on google and found mixed answers. Is it possible to clock the stock MSP turbo? I looked on here also and found nothing. I read on one of the contradictory threads I found on the internet and he said that he had to buy a new bracket from ATP (http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Product_Code=ATP-WGT-027&Category_Code=WGT) and got the ATP replacement WGA and took 1/2 inch off of it and then re threaded the end and got it to work. Like I said though this had alot of information that was contradicting its self. Also, I know people clock the GT28RS but I dont know why I cant find any info on anyone even trying to clock the stock turbo. If you have any info shout it out!

 

[43975]

yes the stock gt25 is clockable but it's more of a PITA from what I understand. It involves a stong enough c clamp pliers to so you can rotate the housing I'm not 100% sure what to do about the WGA I'll have to look at my spare turbo when I get home from work in the AM. But the GT28RS was a breeze to clock!!!

 

[SeR_Cyclops]

Yeah, I think you have to get that Huge C clip compressed and rotate the housing. That Is what I understand from reading the bit of ****** up information that I did read. I just think it would make a better IC route if we didnt have to go up and then back down. But instead just go from the turbo over to the end tank of the FMIC. Ya know what im saying....

 

[43975]

I know exactly what your saying which is why I clocked my GT28RS. I actually saved just over a foot of piping on the hot pipe!!

 

[ogsp5]

I did, but I have a external W.G.

 

[yudkib]

you can do it, but its not fun.
but - im not speaking from experience on this one.

 

[SeR_Cyclops]

Bump anyone else?

 

[43975]

I just looked at my stocker. There are 2 predrilled holes for the WGA mounting brackets. Clocking the turbo will put the holes in the wrong location. So either you will have to redrill holes on your turbo (which is crazy and risky) or somehow fab up a new bracket that uses the holes on the complete opposite site to mount and travels around the turbo and is able to hold the WGA firmly. Another difficult task!! Or use the bolts that hold in the exhaust side of the turbo and fab up a bracket, I'm unsure what those bolts hold and how deep they need to sink though. Sounds like a bunch of homework. GT28RS FTMFW!!!!

 

[Jspeed17]

I have seen this done on another MSP in my area---the car was even on a lift, but of course i didn't pay attention to the WGA bracket....was looking at mine the other day thinking the same thing that clocking it would be wayyyy better flow....custom bracket i guess

 

[SeR_Cyclops]

I just looked at my stocker. There are 2 predrilled holes for the WGA mounting brackets. Clocking the turbo will put the holes in the wrong location. So either you will have to redrill holes on your turbo (which is crazy and risky) or somehow fab up a new bracket that uses the holes on the complete opposite site to mount and travels around the turbo and is able to hold the WGA firmly. Another difficult task!! Or use the bolts that hold in the exhaust side of the turbo and fab up a bracket, I'm unsure what those bolts hold and how deep they need to sink though. Sounds like a bunch of homework. GT28RS FTMFW!!!!

I think I am going to weld the WGAshut and then cut into my steedspeed manifold and get a 38mm tial wastegate welded in there so i dont have to worry about ******* with the WGA.

 

[43975]

I just threw up in my mouth thinking of someone cutting up a SteedSpeed!!!! LOL
seems like it would be easier to figure out a WGA bracket. Technically the WGA bracket doesnt have to mount to the turbo it just needs to reach and be able to move in the proper direction. So maybe you could fab up a mount from the Mani or off the engine itself. The mani has to be removed as whole with the turbo and DP anyways so it's like they are all one, when removing and installing

 

[SeR_Cyclops]

Haha. Yeah but how bad ass would it be to run a open dump out the bottom of the car?

 

[yudkib]

speaking from experience, it is badass, but not NEARLY as badass as running an e-cutout. get one of those and youll love it.

 

[SeR_Cyclops]

I have a electronic QTP cutout..... I am really wanting to do this just so I dont have to fight getting the WGA mounted to the turbo.

 

[yudkib]

EWG is worth it. the turbo kit i got came EWG and open dump tube, and the response is just rock solid. i cant imagine ill ever see a spike with that thing, and if i want to service it to stiffen it or anything, its a piece of cake.
speedcircuit may be able to help you out, though they are using VBand connectors in their modded steedspeed manis (and t3 flange i think)

 

[yudkib]

link to their mani:
http://www.speedcircuit.net/images/...d.jpg?osCsid=c33d4df4ab0ee1aaabf90b09c94ca7b9

 

[duffbuster243]

I just gave this a try with one of my old turbo's laying around. I used info from this site for instructions on dis assembly
http://photo.platonoff.com/Auto/20051009.Garrett_T25_Turbo_Rebuild/?all
You need to remove the exhaust housing from the turbo before you can get snap ring pliers in to remove the compressor housing.

Once apart I drilled and tapped new holes in the area where I wanted to relocate the wastegate bracket as you can see in this pic. Do not drill too far in as you will drill through it. I inserted a drill bit in the original holes and used a permanent marker to mark my stopping point on the bit. If you do drill through use teflon tape on the bolt and you should seal it up.

I then relocated the bracket as so

what it looks like from the front

And all back together

I angled the compressor slightly towards the from of the car so I'm sure it will clear the block.

In the next few weeks I'm going to try this on my car, I may have to modify the lower coolant line but I won't know until its out. I hope the car to run much better due to having less intercooler piping and not having the piping routed right across the hot exhaust manifold.

 

[jclue]

Go external. Its gotta be hard to cut that steed but I love the sound at WOT, plus I dont think a lot of people have EWG. I would never go back.

Plus no more spike!!!

What benifits would you get with clocking the turbo except saving 50 bucks on a foot of hard pipe? It seems like
after all the fab to exhaust and piping it wouldnt be worth it...

 

[SeR_Cyclops]

Because you will significantly reduce the length of the hot side. I like how you drilled and taped the turbo. That could be another option as well.


I dont think the machine shop would have a hard time at all milling out the steedspeed exhaust manifold.

 

[Jspeed17]

Nicely done duffbuster!!!