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Old 10-28-2012, 09:11 PM   #166
swampboogiedoug
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Bruce, Just Y & then to the pipe. There is a thread here somewhere that shows the insert into the header, etc.
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Old 11-02-2012, 09:54 AM   #167
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Thought I'd post a couple pics of the starting point for my take on the new plenum. My effort is directed at improving the flow & distribution. I found this neat adapter for the T25 on Ebay for about $25. It uses a 2" charge pipe rather than the 1 3/4" in the kit. The 2" aluminum elbow has a larger radius as well. I'll connect these with a silicone coupler and sweep it back to a side entry on the plenum.
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Old 11-02-2012, 08:37 PM   #168
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So do you think there will be noticeable hp gain with 2 inch diameter pipe into the plenum. Whats the inlet diameter size on the turbo?
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Old 11-03-2012, 01:51 PM   #169
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It would not be strictly a HP gain from better flow. A turbo works against itself if either the intake or exhaust side have restrictions. It appears that the intake side has a couple places that could be optimized. The outlet from the compressor wheel is 1.75" which gives a total cross section of 2.42 sq in. this gets impaired by each turn, the length of the charge tube, and the reduced inlet opening to the plenum. The 2" pipe has a cross section of 3.14 sq in, which is over 20% larger, will be shorter and have less turns. This should be; less heat, faster spool, less parasitic drag on the turbine and compressor. How much & at what rpm it makes a difference, we'll have to see. I also believe that the more you push the turbo the more critical flow becomes ( which is why porting gives bigger results on forced induction than on NA motors ! ).
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Old 11-03-2012, 04:52 PM   #170
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Great stuff love these updates i can see a vastly improved system on the horizon.
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Old 11-04-2012, 09:41 AM   #171
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mine
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Old 11-04-2012, 11:04 AM   #172
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Quote:
Originally Posted by Jan-Dirk View Post
mine
Yep, my idea is similar plus some additional options.
We will produce 10pcs of them.
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Old 11-05-2012, 01:50 AM   #173
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what do you think the cost will be Karzza
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Old 11-05-2012, 11:31 AM   #174
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what do you think the cost will be karzza
250...300€
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268rwhp / 260Nm, E85 fuel
Falicon +3/8" full circle, K1, CP 4.25" pistons
Billet oil-pan, pinned cases and bearings, 12mm head and main studs
Special cams, SuperAlloy valves, titan retainers, springs
Turbo Garret GT2560R, BB, water cooled
14 Psi Forge waste gate and BOV, Valeo i-cooler
Black Ops 172lb/hr injectors, Wabro 255lph pump
Porsche tbo 5bar fuel regulator
Daytona VRFIgen3 ECM, KMS 3bar MAP.
11 plates carbon fibre lock-up, billet basket
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Old 11-05-2012, 06:21 PM   #175
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USD
200= $256.00
300= $384.00

@Karzza, Can you come up with a Y tub set for the the inlet charge tube connection?
This would be from the top of the adapter up to the where the Y becomes one tube.

Would be a great help to me if you could do the y tube set up. #

1. I am in.

Rod
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Old 11-05-2012, 06:23 PM   #176
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Good Work Doug!!

I'll give you a call this weekend.

I have another idea to talk about.
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Old 11-06-2012, 04:51 AM   #177
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Quote:
Originally Posted by 02vrodturbo View Post
(BTW- I love these disclaimers! pretty useless)
Really now...

1241 has journal bearings.
25 ball bearings
trims
inducers.
the outlet connections are also different

Where is your proof?
http://www.bptstore.com/Garrett-Turbos_c_7.html


Dumbass!!!!!

be part of the solution not the problem
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Old 11-06-2012, 10:25 AM   #178
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Quote:
Originally Posted by 02vrodturbo View Post
[be part of the solution not the problem

I am part of the solution, I have been working on upgrading my bike for years. Which is why I came back to the forum, to reread posts looking to solve some issues...lots of good people on here with valuable solutions....when others are stirring crap...

anyway - my point was I thought you were referencing that the trask turbo that is part of his kit was a garrett gt 25xx turbo, which obviously it is not it is the journaled 1241 that is in the kit.

you see I thought you might use 25xx data when trying to solve the plenum problems and looking at what the turbo would flow under the curve... didnt want you to have more issues then are already present.
Here take a look at these 2 turbos and tell us which you have...
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As you can see they are completely different. The bottom picture is my actual turbo GT25 the same as Rods.
Where are you coming up with that we have a 1241 ?
The 1241 is only good for up to 130 horsepower.

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Old 11-06-2012, 10:43 AM   #179
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Rod, These guys make angled merge collectors to suit. If you use Karzza's base with a 90 silicone connector you can angle back down & then out toward the turbo. http://www.spdexhaust.com
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Old 11-06-2012, 11:08 AM   #180
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[QUOTE=02vrodturbo;2358263]Like I said - I thought he was speaking of a Trask turbo kit- I am very familiar with the turbo.
I didnt see a reference that he was using a NON TRASK TURBO

Dude
For the last time we both have the Trask turbo kits.
Apparently you are not very familiar with the trask turbo kit.
I'm DONE
I guess Rod and I do not know what kits we have. Lol

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