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is it possible to change S4 T2 LIM and UIM into S4 N/A?

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Old 01-30-07, 10:34 AM
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is it possible to change S4 T2 LIM and UIM into S4 N/A?

is it possible?

any links or pics?

ooh yea, i can't find anything in FAQ, the only think i found is S5 n/a into S4n/a
Old 01-30-07, 10:56 AM
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Why would you?
Old 01-30-07, 11:04 AM
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only by doing some serious port work to the LIM to fit the 6 port motor which would compromise any differing airflow characteristic differences there may have been anyways.

so i ask the same question:

Originally Posted by My5ABaby
Why would you?
Old 01-30-07, 03:26 PM
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you got it

Originally Posted by Karack
only by doing some serious port work to the LIM to fit the 6 port motor which would compromise any differing airflow characteristic differences there may have been anyways.

so i ask the same question:
Old 01-30-07, 03:37 PM
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I'll answer the why would you. . Say you have a good 6port block and you are ready to go turbo, but don't want to do a complete keg swap, and you don't want to have to deal with using a crazy spacer to get the turbo to clear the LIM. You could do some port matching(by some, I mean alot) on the T2 LIM and then you could bolt on the turbo with on clearance issues. I don't recomend doing this unless you have all the parts to do the job correctly. IE turbo ecu, harness, injectors, fuel pump, ect. It may no tbe the best solution for turboing a n/a but it's alot better than the alternatives in my opinion.
Old 01-30-07, 04:07 PM
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Worked fine for me, just a lot of effort in port matching.
Old 01-30-07, 05:40 PM
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Get some good grinding bits and go at it! It's what I did and it works great......so far.....
Old 01-30-07, 06:35 PM
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Originally Posted by yzav8r
Worked fine for me, just a lot of effort in port matching.

Sp to answer the $20 question, it IS possible to open up the TII LIM for a 6 port block.

The other question that needs to be asked is will everything else transfer over without issue. IE turbo exhaust manifold, turbo ii oil pan etc etc.

And I agree with Dom. I have an Aux BP 6 port that I would like to put into a TII sometime. I jsut would like to NOT have to have a custom IM made and dont want to deal with the turbo spacer and frame notching.


BC
Old 01-30-07, 06:46 PM
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The only mods I had to make were to the LIM, every other part went on effortlessly (aside from running Oil/Coolant in and out of the turbo).
Old 01-30-07, 07:05 PM
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Did you just use a 6 port IM-Engine gasket and port off of that?

BC
Old 01-30-07, 07:35 PM
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Close, I actually scanned in the 6 port LIM flange and the 4 port LIM flange, then merged them, did a little work, and came up with a template on where to cut/add material.

No, I don't still have it, or I'd put it up for people.'
Old 01-30-07, 08:27 PM
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I did this for someone and I used the stock n/a gasket as a porting template. Be careful though, don't over port it or you will break through into the ACV chambers and have to have it TIG'd in so that you can report it.
Old 01-30-07, 11:48 PM
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Just use the 6-port gasket.

Also if it's bolting up to an N/A trans everything will be fine. You ust have to be sure to fab up some way to get water and oil to the turbo. I use the water lines from the BAC. Tee off of the oil pressure sendor for the supply and either get a t2 front cover or drill out the N/A cover. There's a nice flat spot just under the OMP that's perfect in my opinion.
Attached Thumbnails is it possible to change S4 T2 LIM and UIM into S4 N/A?-hpim0409.jpg   is it possible to change S4 T2 LIM and UIM into S4 N/A?-hpim0412.jpg  
Old 01-31-07, 12:21 AM
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Thanks for the info.

Simple Green is your engines new best friend.


BC
Old 01-31-07, 02:19 AM
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Originally Posted by Mankdrake 2661
Just use the 6-port gasket.

Also if it's bolting up to an N/A trans everything will be fine. You ust have to be sure to fab up some way to get water and oil to the turbo. I use the water lines from the BAC. Tee off of the oil pressure sendor for the supply and either get a t2 front cover or drill out the N/A cover. There's a nice flat spot just under the OMP that's perfect in my opinion.
Exactly what I did for both coolant and oil. Works great!
Old 01-31-07, 02:39 AM
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Since I have throughly hyjacked this thread anyway:

Like I said in another post I have an Aux bridge 6port that I am wanting to swap into a TII. I plan on using the stock S4/5 turbo with it. I know it will out flow the turbo and will need to step it up to a larger turbo. Who here has any idea of what size im looking at needing to see 300whp and not choking off the top end at the same time. Im aware 300 isnt hard to get to, I just cant get crazy with the boost as I am running 9.7 Cr rotors and 2mm apex seals. The engine has only 2200 miles on it, and I dont want to get rid of it or blow it up.

BC
Old 01-31-07, 02:46 AM
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Well, from everything I've learned about these cars, it's not the boost that blows them, it's tuning (heat & detonation/pre-ignition) and fuel delivery.

As for turbochargers, and sizing, I can't speak for that stuff.
Old 01-31-07, 03:45 AM
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pre-ignition is my concern with the increased CR. Thats why I would want to get the turbo sizing correct so as to have the greatest efficiency as possible for my power goals. I plan on converting the stock TMIC to an air/water setup. I dont like the idea of blocking the radiator and oil cooler in a car that is so sensitive to pre-ignition/detonation with a large FMIC to keep the intake charge cool.


BC
Old 01-31-07, 04:08 AM
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for the turbos... i say hybrid from bnr... if you are on a budget or garett gt35r+ the usual supporting mods. and if you aren't on a budget go with a v mount setup
Old 01-31-07, 05:43 AM
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noted, and thx.


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Old 01-31-07, 06:59 AM
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I'm using a turbo block but I have a half bridge and am also converting the stock topmount into water to air.. still havn't pickup the water pump yet for it but everything else is almost ready. Where do you plan on having the water inlet/outlet positioned on the intercooler. I was thinking about have four 1/2 inch inlets on the top spread out so that it will have a more even distribution of the incomming water, and I would have a 1 inch drain on the bottom in the center. That's my concept right now the cooler should be done in two weeks so i'll let you know what I come up with. What's your plan?
Old 01-31-07, 07:47 AM
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You guys are all mentioning turbo's. He said nothing about turboing his N/A. He simply asked if he could switch the TII UIM/LIM onto an N/A. So... once again (to the op), why do you want to?

If you are wanting to turbo a 6 port, then continue reading the rest of the posts.

Originally Posted by Dom C
I'll answer the why would you. . Say you have a good 6port block and you are ready to go turbo,
Read above.
Old 01-31-07, 05:35 PM
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Originally Posted by Dom_C
I'm using a turbo block but I have a half bridge and am also converting the stock topmount into water to air.. still havn't pickup the water pump yet for it but everything else is almost ready. Where do you plan on having the water inlet/outlet positioned on the intercooler. I was thinking about have four 1/2 inch inlets on the top spread out so that it will have a more even distribution of the incomming water, and I would have a 1 inch drain on the bottom in the center. That's my concept right now the cooler should be done in two weeks so i'll let you know what I come up with. What's your plan?

Thread is throughly hyjacked now.


I was planning to have the underside pan designed so that there was a divider running lengthwise (shock tower to shock tower) and having a drain on either side of the divider. This would ensure that the water is drained from both sides of the intercooler equally to prevent the water furthest from the drain from stagnating. While trying to sleep this morning I also considered laying a piece of aluminum tubing on the bottom (half in. diameter or less) lengthwise with one end near the drain and the other towards the opposite wall to help pull some of the water from there. As for the inlet I was planning two tubes running the top of the upper pan along the lengthwise axis that are perforated to evenly distribute water. Either that or Im just gonna get a really strong pump and push a lot of water in there in such a way that the water on the top pan stays aggitated and moving. Havent talked with a welder yet.


BC
Old 01-31-07, 07:10 PM
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yea my lower pan is going to be like a big 'dimple' with the drain in the middle. I'm going to put it on a press with all four sides supported and press it so that there is about 1/4-1/2 of an inch variance from the sides to the center to aid in the draining process. I like the idea of a perforated tube along the top to dispurse the water. I was going to make a "manifold" out of aluminum with one 1" inlet and four 1/2" outlets, but I might steal your idea now not sure.
Old 01-31-07, 09:16 PM
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i couldn't think of a bigger waste of time...


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