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50 trim vs. 20g

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northendtrooper

15+ Year Contributor
130
0
Jun 21, 2007
Boise, Idaho
my friend is going to trade he used PTE journal bearing 50 trim for a new 20g turbo.
i'm wondering if its worth the trade. doesn't the 50 trim offer better peformance than the 20g?
 
You should really search first regarding 50 trim turbo's and 20g turbo's. Then MAKE YOUR OWN DECISION as to which is better for how you drive and what you're looking for when upgrading your turbo.


Oh... and use proper grammer. I can't even read the first half of your post.
 
You guys shouldn't clog the thread if your not going to help.
I personally would keep the 50 trim, but if he is going for reliability then I would get the 20g, just because it is new.
 
I would keep the 50 trim and service the unit if necessary. The 50 trim is definitely better technology. However, the 20g does make some great power, but I think the 50 trim "was formerly known as the pump gas king" is the better unit. You have a lot of research to do and it all depends on the type of horsepower you want to produce.

I do have to tip my hat to the 20g for all the years of "failsafe" service and MHI's virtually bullet proof turbos.
 
There is only ONE person that can make the decission on weather to keep the 50trim, or trade it for the 20G. The 20G will offer quicker spool, and still hit's nice, and hard with plenty up top to satisfy most. The 50trim will be a bit more laggy, but when it hit's it hit's HARD!! I personally choose a 60-1 for my FWD to give me the lag to keep traction for around town driving( and launching), but giving me great highway times, and GREAT high RPM times.
 
ok thanks guys. i'll tell him.
it is a hybrid of the 05/06 housing. the BR 20g.
 
the BR20G is a great turbo, a friend of mine use to have one and I got to drive that car. On stock cams, stock redline that turbo hauls a$$, its hits quite early although later than a 14b/16g but the top end is retarded for a turbo that is considered by many as small(dsm owners are all HP freaks no matter what the say) but the 50 trim is still a great turbo. either way you be satisfied, on pump gas both turbos will perform similar(except slower spool on the 50trim) but the 50 trim really wakes up after 24-25 psi!!!(high boost+race gas or pump with meth injection=lots of fun!!!)
 
I didn't say the 50 trim was laggy, hell even full boost by 4200 rpms on a turbo is not really laggy to me but then again I help my friend with his boosted gsr(yes yes its a honda) and his turbo hits late like 5600rpms! now thats laggy!!!!
 
I would take a 50 trim over a 20g any day. 50 trim is far from laggy.

Yeah, but the 20g is a fun turbo to drive. It spools like a 16g and gives almost the same power as a 50trim on race gas.I'll take full spool by 3300 rather then 4200 any day of week for the just about the same power. On a side note I couldn't run over 23 psi on pump gas with the 20g, I was able to do 26 psi on the 50 trim with a better timing curve then the 20g. I still choose the 20g over the 50 trim, because of my butt dyno. My current30r however owns all.
 
the difference between the tdo5h and tdo6/tdo6h 20g is the turbine wheels, the tdo5H 20g uses the same turbine wheel as the 14b/16g and the 18g. where as the other 20g variants use either the TDo6 wheel or the tdo6H wheel(fp 3inlet outlet 20g). obviously the the larger turbine wheel will give more lag but higher rpm power potential due to less exhaust back pressure.
 
awesome i think he will be happy w/ the 20g. he misses his evoIII16g spool
 
I didn't say the 50 trim was laggy, hell even full boost by 4200 rpms on a turbo is not really laggy to me but then again I help my friend with his boosted gsr(yes yes its a honda) and his turbo hits late like 5600rpms! now thats laggy!!!!

I could not find the image that has a honda and a mountain dew two liter that says... so let me get this straight, your honda has 1.6 liters where as my mt dew has 2?

ROFL ROFL ROFL
 
ha ha, that would be a funny comercial.. but you forgot the part when he opens his hood with that giant snail!!!!(T4 t67 on a GSR motor which I believe is 1.8 on that honda...seriously he's gonna blow that damn car up one day!!!)

but back to the subject if he misses the 16g spool the 20g (the tdo5H version....BR20G)would probobly feel like a 16g after have the 50trim in there!!
 
ha ha, that would be a funny comercial.. but you forgot the part when he opens his hood with that giant snail!!!!(T4 t67 on a GSR motor which I believe is 1.8 on that honda...seriously he's gonna blow that damn car up one day!!!)

but back to the subject if he misses the 16g spool the 20g (the tdo5H version....BR20G)would probobly feel like a 16g after have the 50trim in there!!

:nono: It all depends on the driver and the car. There are more 50 trims running 12s and 13s then thery're 20g's. 11s came easy for me and some of my friends. I remember beating a 50 trim powered car when I had my 14b on race gas. That was only full-weight stock-appering 12.83 @104 car at the time.
 
wow!!! with a 14b!!! that some accomplishment. poor little turbo was probobly crying its eyes out pushing that time in a full weight car!!!!
 
Well wouldn't it be possible for him to use a tdo5h housing and get a different hot side so he still will have the top end of the 20g. but the spool of a 16g?

In short, no. To reach the potential of the 20g compressor wheel, the 06H wheel is best and if you're running an 05H wheel at least an 8 cm^2 housing or a BEP housing.

A 20g that spools like a 16g (td05H turbine w/ a 7cm^2 housing) does not have the top end it could have. The spool time is not worth it as you can just run an evo3 16g and get nearly the same results and a bit shorter spool.

I think the td05h turbine and 7cm^2 turbine housing is too small even for the evo3 16G. It seams to be a great fit for the small 16g. I noticed huge results going up to a BEP turbine housing when runing an 05H 18g.
 
a 14b compressor can flow over 35lbs/min. Right from the compressor map. to 05H turbine wheel and 6 cm^2 turbine housing is a real clamp.

so slapping on the larger 7cm^2 turbine housing(I actually have one laying around) would alow me to reach the 14b highest potential, ha ha I can't believe I never thought of that! Budget performance and stock appearing!!!
 
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