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Discussion Starter #1
I have about decided on wjhich turbo to by, but I need to know which turbo will spool the quickest,
the TO4b 50 trim from bullseye power online
or the TO4E super trim 50 from bulls eye,

are these even a good choice for a turbo, as I am new to DSM's but want to run 11's and will buy all supporting mods after I decide on a turbo. thanks

Jamie Sanders
syclone #0252
1995 eclipse
 

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The T04B will spool faster due to the smaller compressor housing. I wouldn't recommend either of those turbos though. If you're dead set on a 50-trim, look at PTE SCM series, or the FP Green. Honestly though, I'd recommend getting a 20g. It's a great turbo, great spool, and quite efficient.
 

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Discussion Starter #3
Yeah, that was my first choice but I keep on reading "if your doin a 20g might as well do a 50trim" and the 20g is old technology, and a 20g is overpriced, etc etc, what to do what to do :confused:
 

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Discussion Starter #6
I guess my next question is who sels the best 20g, I see lots of sight with them? are there any differences other than the price? :eek:
 

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20g=Apple vs. 50Trim=Orange

Two Totally Different Turbo Designs, Only similarities are the Fact that They are turbo's. The MHI 20g is an oldie but a goodie. 50 trim is a six bladed compressor wheel with a completely different Blade shape and pitch so they move the air differently. the 20g will spool up a lot faster especially with a TDO5H wheel, but you are going to run out of air a lot sooner with a 20g than with a 50 trim, I have FWD's in the 11's on 50 Trims, but AWD's hitting 11's on 20g's are a little more rare.

Garrett Just released the 50 trims and up through the 67 in a ball bearing CHRA, Precision just released them in a bolt on housing and on sale untill Christmas. If the calculations are correct, the BB 50Trim should perform similar to the 30R. a little less But Christ for about half the price$$??? How can you go wrong, and Obviously the BB 50 Trim would spool Hella Fast.

see Here.

http://www.slowboyracing.com/shop.php?sid=&cat=4080

any questions just call Slowboy
 

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Syclone, listen to SBRMRL, he knows what he's talking about.
I had a BR20G that uses the TDO5H and it was a great turbo, but the true power and top end is with the 50.


What do you have done to your sy, and do you post on syty.net?
 

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Discussion Starter #10 (Edited)
the syclone is mostly stock, i have kenn bell cool air intake, adjustible fuel regulator, and deletedthe catalitic converter, it has turned 8:14 in the eigth mile,
I post of syty.net once in a while with username xcaliber I dont hang around there much. to many clicks, groups, backbiting and arguing, no one really goes their own direction with these trucks, they pretty much follow the leader, one person has a certain setup, and everyone gets the same stuff. I get board with the messages, very repetitive,
 

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syclone said:
the syclone is mostly stock, i have kenn bell cool air intake, adjustible fuel regulator, and deletedthe catalitic converter, it has turned 8:14 in the eigth mile,
I post of syty.net once in a while with username xcaliber I dont hang around there much. to many clicks, groups, backbiting and arguing, no one really goes their own direction with these trucks, they pretty much follow the leader, one person has a certain setup, and everyone gets the same stuff. I get board with the messages, very repetitive,
LOL, I have to agree with some of your statements.
At NATS, if your not part of a clique, you don't get much attention.

I will have to disagree about the follow the leader. Most get the typical upgrades, just like here. But some get bowtie blocks, or LS1/LS6 swaps.
Some have done LT1 TT swaps, and others have gone RWD. Trannies are being tried out with some guys going to the 4L80E versus the stock 700R4.
The last few years innovation has been the word.
DFI, FAST, Megasquirt, AEM EMS or some other system has also made people's build different.
Good luck with your eclipse.

BTW, many here get 1g block, 2g pistons, hks 264/272 cams, ported 2g/evo manifold, and a big 16g. Later they up it to a 20g or 50trim.
But that's not everyone as we have some innovaters that try a TT setup, or using a 2.4, stoking the stocker, or going RWD.
It's all about how much free time you have, how much money you have, and especially, how much patience you have.
 

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Discussion Starter #12
yeah, I've been to the nats twice, once before I found a sy and one after I got mine, that was in 99-2000 I think, I had fun but like you said, I didnt know anyone, and most there wasnt interested in meeting anyone they didnt know,
well I have almost decided on the Ball bearing 50 trim,,, just curious how much slower it is gonna spool compared to a 20g,
I will also be bying DSM link in the next couple days, that seems like a solid purchase. I need to figure a way to build boost on the line with the cluth pushed in, If I could leave the line with 5-8lbs of boost, it would help my 60' times.
DSM link has somthing that is suppose to help with that I think, the datails on the web page were sketchey, anyone have any input?
 

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Discussion Starter #13
OK!! I went on line to order this 50 trim, and please forgive my ignorance but do I want the external manifold mount, or external 02 housing mount? which is better or prefered? any help would greatly be appreciated do i need 30 90 degree elbow? how about porting, I got a killer head porting set, so i guess I could do this part.
 

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syclone said:
OK!! I went on line to order this 50 trim, and please forgive my ignorance but do I want the external manifold mount, or external 02 housing mount? which is better or prefered? any help would greatly be appreciated do i need 30 90 degree elbow? how about porting, I got a killer head porting set, so i guess I could do this part.
You are not ready to buy any of that stuff yet dude. You have to research all of those things a long long time before you purchase your turbo, seriously. You should not be asking that.


Search every thing you can about O2 housings, external/internal wastegates, and I don't recomend you do your own head porting. Is the engine even out of the car? Just to confirm what exactly is a "head porting set"?
 

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Discussion Starter #15
:eek: to clearify,, the engine is not out of the car,
i was not refering to porting my heads, I was refering to porting the turbo, a head porting set is a huge ass Die grinder, with pretty much every metal cutter, and grinding stone made, along with a flexable tip a foot long, its good for grinding about anything, however I dont do my own head porting I have however done a lot of smothing in the bowls, and some shaping just behind the valves, and just de-burring and portmatching, fyi, thanks

i already have
a walbro 255 fuel pump, adjustible fuel pressure reg, bov, FMIC, and will be getting DSM link either tonight or tomorrow. I still need injecters tho :eek:
 

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I don't mean to jump on ya, I just don't want to see you buy a bunch of stuff and find out none of it fits

First figure out if you want internal or external, then review the different setups available. Most of the gates off the manifold look nice to me, less interuption of flow around the collector and turbine. However I really like FP's setup built into the turbine housing, the angles on it do not interupt flow very much.

What manifold are you running? If you have the stock mani and O2 housing the only option you have is internal gate with a mitsu flanged turbine housing (agp, sbr, buscher, turbonetics). If you plan to run external gate in the future you should hold off on buying a turbo right now and acquire all the other stuff. No dsmlink? No injectors? No turbo mister...... lol. Those are some fundimental parts that will keep your motor in tact. I went with a SBR manifold wich has a flange for an external gate if I ever want to use it, however I decided internal will be fine for me since I plan to run 20+ lbs at all times. Bigger turbo's tend to creep with smaller internally gated wastegates and a 38-40mm tial will keep that under control for low boost situations.

All I can say is just check around and figure out what the end result is you want for your car. Buying once instead of twice will save you money, time AND energy of removing and installing crap.
 

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Discussion Starter #17
well, I just bought the 50 trim, its all or nothing now, I want to do it right the first time thats why I went with the bigger turbo now, and now to get the exact stuff to support it and I will be done!! :D
 

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syclone said:
well, I just bought the 50 trim, its all or nothing now, I want to do it right the first time thats why I went with the bigger turbo now, and now to get the exact stuff to support it and I will be done!! :D
You should have gotten a real turbo, something that flows 65lbs/min or higher, j/k ;) .
 

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SBRMRL said:
20g=Apple vs. 50Trim=Orange

Two Totally Different Turbo Designs, Only similarities are the Fact that They are turbo's. The MHI 20g is an oldie but a goodie. 50 trim is a six bladed compressor wheel with a completely different Blade shape and pitch so they move the air differently. the 20g will spool up a lot faster especially with a TDO5H wheel, but you are going to run out of air a lot sooner with a 20g than with a 50 trim, I have FWD's in the 11's on 50 Trims, but AWD's hitting 11's on 20g's are a little more rare.

Garrett Just released the 50 trims and up through the 67 in a ball bearing CHRA, Precision just released them in a bolt on housing and on sale untill Christmas. If the calculations are correct, the BB 50Trim should perform similar to the 30R. a little less But Christ for about half the price$$??? How can you go wrong, and Obviously the BB 50 Trim would spool Hella Fast.

see Here.

http://www.slowboyracing.com/shop.php?sid=&cat=4080

any questions just call Slowboy
hahah, 20g's have no problem running 11's on an AWD, it is nothing to ask out of a 20g. Many people such as tort have run sick times on a 20g, many of the first dsm's in the 10's were also 20g powered.

if ppl have trouble getting into 11's on the 20g in my opinion they are idiots, i know quite a few ppl who are running 11's on evo III 16g with stock cams/stock block.
 
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