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420A Turbo Conversion Turbo kits, swaps, etc - specific to 2G N/T DSMs.

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Old 10-06-2008, 10:59 AM   #31 (permalink)
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Originally Posted by Slippi84 View Post
I know about the holsets but your asking scotty pippen about basketball in front of MJ lol. Dsm-onster is the holset master lol. I will say that by looking at yoru profile you don't have the engine to support that turbo atleast where it would shine over say a hx40. Like you could run it but you would have to run lower boost and make hx40 power with slower spool. If you were looking into a high reving or stroker motor than your good but a stock or even plainly forged 2.0 motor your not taking advantage of that thing. Others will say ditch it it's too big but hell go for it. Just know that you will need a real good motor as that thing is a over 1kwhp turbo. Just to give you an idea a hx40 is a 700whp turbo in 60mm 6 or 7 blade form and a hx52 is a 900whp turbo and those are realistic not inflated numbers.
Thanks, I do have a 2.5L stroker almost finished. The car now is in DD mode, but soon will be retired from that, and used just for the track. I also plan on using MoTec for tuning. For fuel, dual intank 255lbs H.O. pumps and 1600cc inj. I also have a Ford 9" that I want to fab onto the car and get some custome Mosser Axles to fit.

1gDSM4G63- Lmao! that was funny! I do have serious plans!


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Old 10-06-2008, 12:48 PM   #32 (permalink)
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Originally Posted by peypey's ride View Post
Thanks, I do have a 2.5L stroker almost finished. The car now is in DD mode, but soon will be retired from that, and used just for the track. I also plan on using MoTec for tuning. For fuel, dual intank 255lbs H.O. pumps and 1600cc inj. I also have a Ford 9" that I want to fab onto the car and get some custome Mosser Axles to fit.

1gDSM4G63- Lmao! that was funny! I do have serious plans!
Oh well in that case your set. Never heard of a 2.5 but should be spool friendly

I'm gonna go back and read that post cause either I"m just real slow today or i'm blind cause I didn't get it
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Old 10-06-2008, 12:58 PM   #33 (permalink)
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Oh well in that case your set. Never heard of a 2.5 but should be spool friendly

I'm gonna go back and read that post cause either I"m just real slow today or i'm blind cause I didn't get it
Let me know when you figure it out.lol


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Old 10-06-2008, 01:20 PM   #34 (permalink)
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Let me know when you figure it out.lol
I gave up lol I"m either to dense or it's in secret code
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Old 10-06-2008, 01:41 PM   #35 (permalink)
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hx52 flow 87lbs/min at 3.25. 4202 94lbs/min at 3.25. both tested at 85* air temp. yes the hx52 has a better turbine, but as for compressor no way. on top of that, he clearly stated he wanted on of a truck. not a prohx
Considering that the pro 52 is the same as the volvo 52, I fail to see your point. . . Pro 40 wheels are found as oem on certain equipment, as well. The holset has a better turbine, yes. At least you're not comparing the hx52 to the gt35r or gt40r any more. The hx52 provides faster spool and a surge line eqal to that of the much smaller turbos. As far as the better compressor. . . please think about this for a minute. Yep, the gt4202r has a higher rpm band on the map than the hx52. But is it worth the surge? lag? or the cash? vs. an hx52. To those who want 90+ lb/min, Definately you should be looking at the gt4202r. But you'll have to accept the lag, and surge that will narrow the powerband even more. And probably should be looking at another turbo that won't put you that far right on the map anyway.

I'm not trying to start a brand war here. But I am trying to inform that there are journal bearing turbos out there which outperform garret by a long shot. In spool speed and efficiency. Look at the Borg-Warner s372! why invest the money in garrett where theres more reliable, rebuildable, faster spooling turbos out there for about half the cost, with the same bolt patterns no less. . . This is really dumbfounding.


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Old 10-06-2008, 05:01 PM   #36 (permalink)
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ha dsm onster, i completely agree with you. I never said a 35r, or 40r would out flow an hx52. I dont remember mention a 35r in comparison. This whole think started as is the kid was looking for a hx52 off a truck.. aka a volvo hx52. I have one, and it defiantly has a t6 flange and a shitty hot side thats all i was trying to state, that if he wanted to run it that it would be a good idea to swap out the hot side with the t4 hx52 side. and when he got all into this, I figured he knew his shit and wanted some high hp number. I only know from what I have laying around the shop is that the 4202r is going to make 1000+hp and the volvo hx52 is going to make around 700 to 800hp. thats the most that compressor will push. as far as brand war, not gunna do that, they both make good turbos, im just going by the number of people that are running garrett turbos and are laying out all the numbers. you dont see nearly as many running hx series turbos. at lease out here in ohio around busher and sheppard. Also, this kid has a 420a not a 4g63, if he is on here asking for advice and if he could run it.. I said 35r because maybe he should go with something like a 35r because ## shit better be build with a 420a for that even.
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Old 10-06-2008, 05:04 PM   #37 (permalink)
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Far as spool, and surge lines, your wrong. You cant say how it spools without what hot side and what engine. were talking 420a
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Old 10-06-2008, 05:14 PM   #38 (permalink)
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NOTHING comes oem pro, pro means the wheel is billet, and thats defiantly aftermarket so your wrong there. do you want me to go on?
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Old 10-06-2008, 07:19 PM   #39 (permalink)
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NOTHING comes oem pro, pro means the wheel is billet, and thats defiantly aftermarket so your wrong there. do you want me to go on?
If you go on you might dig yourself a even BIGGER whole. Your last coule of post are just wow. Just so you know I hve owned a 420a and a 4g63 so I know the difference and the good and bad points of both platforms. They're both 2l engines the only big difference that would effect ppol is the head design. That being said you can go with a howell 2.2 stroker kit and be set anyway. So throw your spool argument out the window cause it's not true.

Second why do you keep saying that a hx52 is only rated to 700hp? It's a 90lb/min turbo I hae a Volvo HX52 that came with a billet wheel and it also came with a t4 hotside so ????? Please I'm not gonna keep debating this turbo unless you have some kinda proof to these random comments your making. If dsm-onster wants to continue I'll let him but I"m pullin the bs card on you and having a hx52.
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Old 10-06-2008, 09:46 PM   #40 (permalink)
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The pictures of the hx52s in the holset thread do not show the t6 flange.

Please state your source for the billet arguement.

Billet construction doesn't affect flow.

The surge line is clear.

Does a 420a spool a turbo slower or faster, with similar mods as a 4g63? This would be beneficial to know. I'm interested in knowing which turbine one would run that would give the gt4202r faster spool than an hx52.

I am not pecking here. So don't take this the wrong way. In fact, all of this would be good to know for a fact. Thanx for sticking with the discussion.


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Old 10-06-2008, 10:13 PM   #41 (permalink)
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Originally Posted by dsm-onster View Post
The pictures of the hx52s in the holset thread do not show the t6 flange.

Please state your source for the billet arguement.

Billet construction doesn't affect flow.

The surge line is clear.

Does a 420a spool a turbo slower or faster, with similar mods as a 4g63? This would be beneficial to know. I'm interested in knowing which turbine one would run that would give the gt4202r faster spool than an hx52.

I am not pecking here. So don't take this the wrong way. In fact, all of this would be good to know for a fact. Thanx for sticking with the discussion.
Monster your trying to be rational but I don't quite think he has any holset experience first hand thus the hear say and garret supporter type ideas that I have heard on other dsm forums not just here which is fine I understand. 420a's spool slower becausthe head was not designed as wel as the 4g63 head and the exhaust ports are crazy small compared to the 4g63 head even when ported I know I had a ported and polished 420a head and a ported 4g63 head and have pictures of both. The kicker is dsm-zero(pretty much the big dog of the 420a's right now) is thinking about running a turbo this size on his 420a go figure. Just in case you didn't go click the links I posted of MY turbo that show the T4 HX52 here you go

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Old 10-06-2008, 10:23 PM   #42 (permalink)
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Just for shits and giggles this is a T4 to T6 adapter. Now I think it's safe to say that a T6 is just little more rectangular than square unlike a T4 flange. WHile a hx52 isn't perfect t4 I don't think you would be expaning any wholes to cover both ad still having enough bolt head to mount

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Old 10-07-2008, 05:58 AM   #43 (permalink)
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Thanx slippi. Yea, for the guys we know that mount the hx52 on their t4 manifold, they state it is close enough to expand the holes a little for a perfect fit. I'm not sure, but you may have to port-match slightly the manifold flange or the turbine inlet. The hx52 turbine inlet ports looks like the other holset inlets, a little more round than the ihi or garrett twin scroll ports. Get her mounted so we can see pics of this setup too .


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Old 10-07-2008, 06:07 AM   #44 (permalink)
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Thanx slippi. Yea, for the guys we know that mount the hx52 on their t4 manifold, they state it is close enough to expand the holes a little for a perfect fit. I'm not sure, but you may have to port-match slightly the manifold flange or the turbine inlet. The hx52 turbine inlet ports looks like the other holset inlets, a little more round than the ihi or garrett twin scroll ports. Get her mounted so we can see pics of this setup too .
It will be a little bit before there are mounted pics I did this build ass backwards I have all the power adders and have yet to build a long block yet as I bought my car as a shell because it had a 10 point cage already. I need to find a good condition 6 bolt 4g64 block cause I would love to make a 2.2 destroked build. We shall see but I can mount the turbo to the manifold as soon as my HD T4 divided gasket comes in from SBR that's all I'm waiting for to mount them together.
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Old 10-07-2008, 08:01 PM   #45 (permalink)
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Sippi, sorry but you posted up that I was misinformative. I just had the first post asking for pics and saying that I'd have to build a bottom end that can handle 40+ psi. BLACKpsiECLIPSE posted the numbers up. But not to argue, can you tell me make/model you got your turbo off?
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Old 10-08-2008, 01:48 AM   #46 (permalink)
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Sippi, sorry but you posted up that I was misinformative. I just had the first post asking for pics and saying that I'd have to build a bottom end that can handle 40+ psi. BLACKpsiECLIPSE posted the numbers up. But not to argue, can you tell me make/model you got your turbo off?
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Not you man BlACKpsiECLIPSE was posting stuff that seemed to be hear say and without fact or backing. Sorry for the confusion
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Old 10-11-2008, 01:37 PM   #47 (permalink)
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Old 10-12-2008, 07:07 PM   #48 (permalink)
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now that im on the hx52 kick, i picked up my ON Green performance manifold. I like the manifold because its equal length cast divided t4. I need to eather get the turbine housing for the the big boy i have sitting since i dont wanna run a 22cm housing, or now that im leaning to this hx52 since i can bolt that sucker on.

I just need to pick up some 1200cc injectors, and another fuel pump for the tank. We shall see what a big turbo, aem 2.4 can do.
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Old 10-12-2008, 07:51 PM   #49 (permalink)
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now that im on the hx52 kick, i picked up my ON Green performance manifold. I like the manifold because its equal length cast divided t4. I need to eather get the turbine housing for the the big boy i have sitting since i dont wanna run a 22cm housing, or now that im leaning to this hx52 since i can bolt that sucker on.

I just need to pick up some 1200cc injectors, and another fuel pump for the tank. We shall see what a big turbo, aem 2.4 can do.
I was about to hit you up carter let you know I'm hoppin on the 2.4 band wagon too I wonder who told you about them hx52's lol
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