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New Parts: AutoSquare Manifold & XSPower Wastegate

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totaleclipse_05

15+ Year Contributor
1,037
36
Apr 22, 2005
Hutchinson, Minnesota
Hey guys, I just got my manifold in a few days back and started to put it on last night. I remembered quite fast on how these cast manifold are a B*TCH to put on haha. You will need to go out and buy some studs for the two bottom middle ones because it is impossible to fit the original stud bolts on there. No room at all to push them through, you need a stud to slide in from the back and put a nut on it. I'm sure you could dremel around it to make it fit though. It took me about 2-3 hours to take off the turbo, original manifold, downpipe, and mount the new manifold.

Overall, the Autosquare seems to be a legit piece so far. Fitment was good as all the bolt holes lined up. Very similar to Josh's Treadstone Manifold. The one thing I did notice was the wastegate hole on my manifold was smaller than my wastegate size. You could dremel it out bigger, but I think it should be fine still.

I opted to go with the XS Power Wastegate because I had done some research and some 4G63 guys had used them with success and they are pushing more boost than I am as well. Mine included a 4 psi spring, but I have a boost controller to bring it back up to 6. Josh also has one and works very well for him. Quality seems to be there so far visually and I know Josh's work well so I have nothing but good things to say about it so far.

I am including some pics. First one is Josh's Treadstone manifold and the ones after it are mine to compare visually. After that are the wastegate pics. Enjoy! I will take some more pics today of the manifold and wastegate on my car. Gotta run to the hardware store to get some new bolts for my turbo to bolt up to the manifold.
 

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You are sayin you had problems installing the manifold? I haven't had any problems, the sucker went on like it is to put on your socks in the morning! The turbo was the hardest thing to bolt on cause the socket for the bolt to bolt the turbo on was a little big so I had to push up against it when tightening it to make sure I didn't #### up the head of the bolt. But that was it! I do belive that I have the same problem with the wastegate hole tho... But thats nothing to worry about. your peice looks just as good as mine! Looks like we'll both be testing it at the same times...
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How come in the first pic it has your return side of the turbo facing upwards, but the 2nd pic it has the feed side facing up? It should be the way on the 2nd pic.
 
I clocked it wrong.... when I bolted up the turbo, the blower was pointing upward and the oil feed and return ports were horizontal. So the first pic is an old photo... I wasn't paying attention when I clocked it all. So I went back and redid it. That second photo is a new photo, taken today.
 
OK, my bad.

Update:
Got it all put back together (after making about 3 trips to the hardware store), but I still need to get my O2 sensor put on. On my new downpipe, the O2 bung hole isn't dremeled big enough to fit my whole sensor in it. Also, my oil feed line hits my hood so I need to rig up something else. Back to the hardware store I will have to go :cry:

Another thing with my manifold, the holes weren't completely drilled right for the turbo. One was off by just enough to where the bolt wouldn't go in straight. I had to drill the hole on my turbo flange bigger so I could bolt it up. After I did that, went fairly smoothly. Looks pretty nice overall. I have some pics, but no time to upload it right now. I should probably get them up later tonight, but I am starving so bad, I gotta eat something haha.
 
I had the same problem with my manifold...I couldn't get all 4 to line up with the turbo. I contacted the company about it saying how they're design might be a little off so all the cutting is not quite right...they responded rather quickly and asked to see pics.....but yeah, I'm not with my car anymore
 
OK, my bad.:

Another thing with my manifold, the holes weren't completely drilled right for the turbo. One was off by just enough to where the bolt wouldn't go in straight. I had to drill the hole on my turbo flange bigger so I could bolt it up.

That is done for a reason. There is a pattern to the tightening and selection of these bolts for each hole. The smallest hole starts first, then goes from there...

Mine had the same problem but after finding the proper bolts for the proper holes, it all fit P-E-R-F-E-C-T...

Also make sure the studs are grade 10 or higher.
 
That is done for a reason. There is a pattern to the tightening and selection of these bolts for each hole. The smallest hole starts first, then goes from there...

Mine had the same problem but after finding the proper bolts for the proper holes, it all fit P-E-R-F-E-C-T...

Also make sure the studs are grade 10 or higher.


What are you talking about? The holes didn't line up correctly. No tightening sequence will remedy that, only drilling.

As for the grade of bolts, it really isn't necessary. I've had 8.8's on my car for over a year and a half with no problem. As well as numerous other people.
 
Yeah, it wasn't a matter of tightening sequence. The holes just didn't line up quite right. They were all the same size holes for bolts, just one was misaligned a tad.
 
Still, no problems with any bolts. The manifold bolts up to the head PERFECTLY! The Wastegate bolts up to the manifold PERFECTLY and the turbo... mmmmmm bolts up to the manifold perfectly! Now I just have to get two more bolts for the wastegate dump, and 5 bolts for the turbo to the downpipe. So thats it...
 
Not all parts are the same for everyone. You can say what you want, but it is done for a reason.

I'll say it again: That is done for a reason. There is a pattern to the tightening and selection of these bolts for each hole. The smallest hole starts first, then goes from there...

Mine had the same problem but after finding the proper bolts for the proper holes, it all fit P-E-R-F-E-C-T...


Like I said. It is done for a reason.

Crazy3- what are you talking about? It's not JUST the sequence, it's also the size and choice of bolts. And YES, that WILL fix the problem. Change the bolts around.


E-mail the guy from turboflanges.com. Thats where I bought my manifold flange and it had smaller hole with a pattern required. Tell me what he says. Honestly... Do it.

Honestly I also wouldn't cheap out on the bolts/studs. If these break the damage can be more costly then the bolts themselves. Why risk it? You're jumping a dollar to save a dime.. Do things right the first time and you won't be doing it again, I cannot stress that enough..
 
Ok... both parties are right, here.

Sometimes flanges are made with slightly larger, or oblong holes, that allow the whole flange to be pivoted and more accurately positioned before being tightened down.

It's a valid manufacturing technique, but I don't think the designers of this Autosquare manifold necessarily had that in mind.

So, both of you had a point... so no more bickering. :nono:
 
I'm not trying to bicker here Paul, but I just don't understand what he is trying to say. To me, it seems like he is talking about something completely different than what I had said. I purchased the right size bolts and the holes weren't lining up with the turbo. It didn't have anything to do with bolt size or anything, as they were the RIGHT size. I tried many different combinations of which bolts to put where first and it always had one that wouldn't screw in straight because the hole wasn't drilled completely centered. Alright I'm done here, not trying to argue, but trying to get everything straight.
 
Forgot that I was suppose to upload some pics of the new setup. Don't mind not having the filter on in the pics, I put it on afterwards.
 

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I'm not trying to argue, but when the Wiseman is telling you you're wrong left and right it'
s degrading. Apprently nothing I say is accountable. Some people are wrong by ignorance. I shouldn't have to defend myself for 3 or 4 other people who have never experienced this. Especially when I'm getting flamed in the process. It's a technique used more then anyone thinks. It's found ALL OVER my motocross bike. Even the airbox has irregular bolt patterns... If you didn't notice, the manifold--> head bolts have this incorporated to some degree as well..

I'm just going to keep put for a while. Maybe people can cool down ...
 
I don't doubt they have it in some applications as it makes some sense to me, but when the 3 bolts were in, I couldn't shift the turbo far enough to make the last bolt go in straight. The bolts were just as big as holes on the the turbo flange so there is no room to shift it sideways to get in the last one. I tried for like half hour different combinations of which bolt to start and shift the turbo one way or the other, but I still couldn't get it. That is the point where I said "screw it, wheres my drill?"
 
I'm a loser...I get all my posts deleted or edited hahaha!


...hmm, proper torque sequence :confused:
 
where did you get the downpipe for the 420a turbo set up?
Did you Fab.it yourself?

have any pictures you can post of your downpipe

Thanks
 
where did you get the downpipe for the 420a turbo set up?
Did you Fab.it yourself?

have any pictures you can post of your downpipe

Thanks

PLEASE ask questions like that in pm. and dont hi-jack a thread with a question that is irrelevant to anything here. Downpipes are not that hard to comeby for the 420a, you can simply buy one from hahn and change the flange on it or simply buy the flange and have an exhaust shop fab one up for you. just 2 of many ways to get one
 
Sorry - going forward I will put questions on the P/M.
Thanks for the information
 
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