holset turbo??

Discuss the RB20, RB25 and RB26 series engines.
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BoostFab
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ZenkiCam wrote:is there a way to ditch the internal wastegate, even if it comes with one, cause i found one on ebay, that needs a rebuild but is a HX35/40, but its wastegated... and i really dont want to buy this turbo and turn around and have to buy another turbine housing... please let me know..
just weld shut the flap, and remove the actuator


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Cameron
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thats what i was thinking, thankyou boostfed

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Cameron
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Look what i just found, for all you guys wanting to know how quick the turbo spools.. id say hes prolly at around 20psi.. you cant really tell but its a 30psi gauge i know... getting around 500 to the wheels with a HX35/40

http://videos.streetfire.net/v...1.htm

your welcome

Cjmartz2k
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LOL, that's me, I just put that up the other day. Thier are two up with the holset on the car. Here is the other

http://videos.streetfire.net/v...0.htm

All the others are with the TO4e. I was going to put it up here when I got a new dyno sheet to go along with it. Might dyno this weekend.

On a side note, do you see how much crap I get from domestic guys and ricers? I make fun of some of the Honda guys, so I kinda expected some of those. Some of the domestic guys don't even believe I can make that kinda HP though. I'm a Mustang guy but I was never that bad!
Modified by Cjmartz2k at 12:48 PM 12/12/2007

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Cameron
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yea i was just talking to my dad about how much crap you were getting.. its rediculous and retarded... Domestic guys know nothing whatsoever about tuning except that cams will add 100hp, and that there coke bottle almost has as much liters as my "whole" engine.. "uhhhhuuhhh" /Redneck laugh...... i know, i used to be into stangs to, and id always question my friends, on why they had to hate, and thats one of the reasons i got out of them.. but sorry i had to spring the surprise of the videos early.. btw your girlfriend is beautiful

Cjmartz2k
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Thanks man! That girl is back in the states now BTW, so maybe you'll bump into here LOL

Like I said on there and on here, I consider myself a domestic guy, but there is no denieing what these motors can do. I think I would be pretty hard pressed to get a stock 5.0 that never had the heads/intake off get to over 500hp. Could be wrong (been aways from 'stangs for a while). Now the new 4.6's and 5.4's are a different. I digress..........

I'll try and take a vid of starting below boost in each gear so you guys can see the spool time in each gear after work today. I wonder what kind of crap I'll get ffrom people for that vid

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BoostFab
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nice video; that turbo scream; you are having a blast. too bad you can't bring the car back with you; you probably can unlooad that car for $40g

silviasgp06
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holy crap all doubts removed cause of those vids =D hx35 has 100% sold me. then do the 40 hybrid later on when i can afford a PFC to help with those power levels.

feel sorry for garret, they are going to have fewer gt sales now lol. but thats assuming people do research... lol

Cjmartz2k:do you mind disclosing your entire setup?

Cjmartz2k
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Yeah, sure. Not much to brag on mods wise though. BTW, I think it's so loud because it's only a 38mm wastegate trying to deal with that much hp and only a T3 flange. You can hear the difference from the TO4e pretty easy.

R32 GTSt with.....-RB25 motor and transmission -stock headgasket-stock cams-stock intake mani/TB-Turbo back exhaust-HKS cast (log) style manifold & HKS 38mm wastegate (no boost creep surprisingly enough)-HX35/40 hybrid turbo @ 1.5 bar (22psi)-chinese FMIC-nismo 740cc inj-Power FC (man was that a pain in the *** to find)-Z32 AFM (up at like 4915mv)Sard FPRWalbro 255HP

That's about it drivetrain wise. I assume you guys don't want to know all the gay stuff like what BOV and boost controller and crap.

I might try and grey market the car back in a couple years, I dunno. It's like $10K
Modified by Cjmartz2k at 8:08 AM 12/13/2007

silviasgp06
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cool thanks.

so i guess since your calling it gay you dont have an electronic boost controller of any kind, just a mechanical?

also, if you get time it would be cool to see like 3rd 4th and 5th pull vids, as well as a normal non launched run from a dead stop. im sure everyone would really like to see but thats all if you are really bored, have time and want more praise lol

what are you shifting at, cant really tell?, guessing like 7000+ range

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Bwana
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Cjmartz2k wrote:The 280hp is what it'll make on a diesel revving to 3k rpm. I don't think anybody has any real maps for this thing, but they do like boost. Then again, so do the Garret GT series. I can tell you, I making a butt dyno 430-450rwhp with my HX35/40 at 1.1 bar. I normally run 1.5 bar though.
To clarify this: Our work truck ('98 Ram 2500) has 300k mi on it still running the original hx35 and putting down 425whp on it with no problems whatsoever. Diesel performance is a completely different ballgame, but I will say that the hx35 flows out at approx 40psi on the 5.9 Cummins with supporting fuel...

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Cameron
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Cjmartz2k wrote:Yeah, sure. Not much to brag on mods wise though. BTW, I think it's so loud because it's only a 38mm wastegate trying to deal with that much hp and only a T3 flange. You can hear the difference from the TO4e pretty easy.

R32 GTSt with.....-RB25 motor and transmission -stock headgasket-stock cams-stock intake mani/TB-Turbo back exhaust-HKS cast (log) style manifold & HKS 38mm wastegate (no boost creep surprisingly enough)-HX35/40 hybrid turbo @ 1.5 bar (22psi)-chinese FMIC-nismo 740cc inj-Power FC (man was that a pain in the *** to find)-Z32 AFM (up at like 4915mv)

That's about it drivetrain wise. I assume you guys don't want to know all the gay stuff like what BOV and boost controller and crap.

I might try and grey market the car back in a couple years, I dunno. It's like $10K
damn man, suprisingly more stock than i thought.. nice!!!

Cjmartz2k
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It's a Blitz Dual SBC electronic boost controller, it just sucks. I have to set the boost each time I go out when the weather changes. I shift around 7.7k according to the PFC controller, but the tach say 8k. I'll try and get some vids up soon of just the spool time, but it's raining here and it'll usually do that a few days in a row here I'll crack the wastegate in 5th, but I'm not running it out. No good places to do that kinda speed here. I know I'm probably real close to blowing it up, but my tuner is REALLY good I guess.

I've heard of the DSM guys making 500+hp with HX35's, they just had to run really high boost (like the Garrett GT series). Somebody needs to try and bolt this thing on to a stock mani and see if it clears everything. I know the HX35/40 won't, but the straight 35 might.

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Cameron
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would you reccommend any higher cc injectors? or do you have plenty of fuel left?

im thinking of going with deatschwerks 740's but i guessed i would ask you first.. oh and if i can win an ebay auction ill have a hx35/40 at my house next week

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lucky7
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yup, im gonna go with the HX35 also. gonna attempt to put it on the stock manifold. i was also curious what injectors you were running. as i have to get some of those also. 740's, eh? arent those a tad overkill?

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Cameron
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not really overkill cause with 650cc's at a 90% duty cycle, at a .6 B.S.F.C and 530 hp to the flywheel roughly 450whp, your injectors are at a static flow rate of 618cc, thats close to starving... and thats at 90% duty cycle, 80% is the suggested duty cycle.. if you really wanna play it save 850's are not out of the ballpark for 500whp

but also safley upping the FP, will squeeze a bit mor cc's out of your injectors

PS. At a 80% duty, to have roughly 450whp, you would need at least 740cc's... so there you go, maybe Chris is running at a 80%?
Modified by ZenkiCam at 10:07 PM 12/12/2007

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BoostFab
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lucky7 wrote:yup, im gonna go with the HX35 also. gonna attempt to put it on the stock manifold. i was also curious what injectors you were running. as i have to get some of those also. 740's, eh? arent those a tad overkill?
go here and put in your power goal and it will calculate the estimate size injector you will need. http://www.rceng.com/technical.aspx

it's not a good idea to run over 80% duty cycle, if there's a surge in pressure, you injector will stuck open. = blown engine.

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Cameron
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boostfed, would 55psi be a safe fuel pressure?

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BoostFab
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ZenkiCam wrote:boostfed, would 55psi be a safe fuel pressure?
that pressure should be fine. you need to tune on the dyno to properly with a wide band

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Cameron
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oh, i know, i got one of the highest experience tuner's in georgia and or the whole south east, that is about 5 miles away... his named Ed Senf, he's is the master tuner for Balanced Performance in Sugar Hill Ga.. They get people coming in there as far as Kentucky and the whole GA Quad state (Sp?) area just to get him to tune there car lol.

they have a r33 GTR there right now they are doing for the guy, here is the link to it... (none of the stuff is updated though...)

http://www.balancedperformance.com/p3_skyline.html

right now, as of today when i stopped by, he now has a RB30DETT, with Twin GT30's (one of the GT30's is screwed..) and hes making 400rwhp, in the next couple of weeks he is upgrading to twin gt35's and is looking for 1000whp.. that car is a beast, has a custom 3.5 or 4 inch exhaust with like a 5.5 inch tip, my god is it a beast......

along with a custom high flow fuel pump, and a NX system on it.. if i would have taken my camera today i wouldve got pics on it, all i got are cell phone pics..


Modified by ZenkiCam at 8:08 PM 12/13/2007

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BoostFab
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that's cool... man i 'm anxious to finish my rb30det build

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Cameron
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ok im bout to buy a HX35/40, if i can win the auction.. but, i dont want to screw up any and i am just wanting to clearify that the HX35/40's are T3 Correct? lol.. dumb question, i just dont want to get what i was thinking i was gunna get and it not be the right thing... lol

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Bwana
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ZenkiCam wrote:the HX35/40's are T3 Correct?
Yes.

osolorb
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i just got my holset H1C turbo. what is a good choose of wastegate i should buy. thanx

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BoostFab
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tial

Gisqc1
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Everyone is talking about hx35 and hx35/40 hybrids, but i was wondering if the HY35 was a t3 flanged turbo too? and how much is should support... i guess its perfect for around 300whp?

Very instructive post!

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Cameron
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Si, you should be good.

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ka24deColt
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what kind of boost can an rb20 with stock injectors handle with the hy?

nyc240sx
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i picked up a hx50 holset for my rb25 hopefully i can make it work

Cjmartz2k
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You know that thing is like GT40 size, right? What size exhaust housing? Built motor?


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