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BTR 4 speed with boost
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badcooky
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PostPosted: Sat May 31, 2008 11:26 am    Post subject: Reply with quote

Screw the S5 in 3/4 of a turn.
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20focus05
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PostPosted: Thu Jul 03, 2008 9:09 pm    Post subject: Reply with quote

badcooky wrote:
Screw the S5 in 3/4 of a turn.


you are talking about the BTR?
err how do you do that? they have no threads, all the solinoids in the valvebody push in and a clamp holds them in place!
hope you are just having a lend
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Mr.Kiss
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PostPosted: Thu Jul 03, 2008 9:56 pm    Post subject: Reply with quote

20focus05 wrote:
badcooky wrote:
Screw the S5 in 3/4 of a turn.


you are talking about the BTR?
err how do you do that? they have no threads, all the solinoids in the valvebody push in and a clamp holds them in place!
hope you are just having a lend

No he's not having a lend. I had to to do this to my car as the auto is on its way out (has an internal oil leak).
on the end of the s5 solinoid there is a allen key slot, turn it for more line pressure, all btr's from AU onwards have this...
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20focus05
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PostPosted: Fri Jul 04, 2008 4:26 pm    Post subject: Reply with quote

thats better, NOT the solonoid!!
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Raptorsc
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PostPosted: Fri Jul 04, 2008 5:02 pm    Post subject: Reply with quote

I had some initial issues with mine in the ute but a full service, all internals adjusted/shimmed to correct clearances, Penrite Synthetic oil then the shop fitted something along the lines of what turborana has mentioned in this thread. It now has variable shift quality adjustment however firm I want, and it is seriously awesome now icon_smile.gif Nuthin bad about the BTR once this little bit of attention has been lavished on it and I would agree with others here who suggest it works really well when subjected to big power gains.

Also the mod that badcooky suggested is the other option if you have the pan off.
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dano_mung
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PostPosted: Thu Oct 16, 2008 2:51 pm    Post subject: BTR mods Reply with quote

What do people do to build these shift kits?

Last edited by dano_mung on Fri Oct 17, 2008 6:14 pm, edited 1 time in total
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turbotrana
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PostPosted: Thu Oct 16, 2008 4:32 pm    Post subject: Reply with quote

Just to clarify, the mod I mentioned is not the same as the shift kit mod. The shift kit mod still uses the S3, S4 and S5 solenoids.


My mod completely eliminates the use of the S3, S4 and S5 solenoid. The reason these solenoids are in the box in the first place is to give it smooth shifts.

The way I understand it is if you are still using the above solenoids you will not get the quickest possible shifts as the response time of the solenoids/oil flow can only be so quick and after a certain level of power the gears will flair as the switching can only be so quick. It still takes point xx seconds to do this.

But when you eliminate the switching the cluches and bands responsible for the shifting are applying and releasing at the same time (very close) so gives it less chance to slip.

I am no expert but getting a auto box to shift lightning quick is most of the way to getting it to survive alot better.

I am close to finishing my engine rebuild so the ultimate test of this mod will be done in the next few months.
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RAPTOR_XR8
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PostPosted: Thu Oct 16, 2008 7:27 pm    Post subject: Reply with quote

Is this similar to the shift kit i made for $10,
How do you disregard the other solenoids ?

Brad
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RAPTOR_XR8
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PostPosted: Thu Oct 16, 2008 7:37 pm    Post subject: Reply with quote

Is this similar to the shift kit i made for $10,
How do you disregard the other solenoids ?

Brad
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turbotrana
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PostPosted: Thu Oct 16, 2008 7:52 pm    Post subject: Reply with quote

No, I thought I explained that above.

Read my earlier post on how to do it.

The box does not need S3 S4 S5 solenoids to work. But the ECU needs to fooled into thinking that they are still there by putting the resistors in place of the solenoids.
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Dansedgli
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PostPosted: Thu Oct 16, 2008 9:04 pm    Post subject: Reply with quote

I did the shift kit mod turbotrana is talking about on my EB turbo years ago. 200rwkw. 300,000kms on the box.

The standard shift kit that everyone does still let the trans slip into gear and overheat.

The turbotrana shift kit was a lot harsher but I never had any trans issues and it didnt overheat as easy.

Ive got the gear in my car to do it to my EF but I havent gotten around to fitting it yet.

It will be interesting to see how it holds up with your new motor Tony. Whenever I tell someone about the mod they pass it off and instantly assume it wont work. lol at them.
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turbotrana
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PostPosted: Thu Oct 16, 2008 11:17 pm    Post subject: Reply with quote

I agree Dan, you just cant help some people.
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RAPTOR_XR8
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PostPosted: Sat Oct 18, 2008 8:58 am    Post subject: Reply with quote

Sorry turbotrana i havent read the forums in ages, neat little trick there m8 im def going to give it ago on my new auto soon (second hand auto) again sorry bout not re-reading your post about the trick.

Brad
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RAPTOR_XR8
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PostPosted: Sat Oct 18, 2008 9:09 am    Post subject: Reply with quote

Sorry turbotrana i havent read the forums in ages, neat little trick there m8 im def going to give it ago on my new auto soon (second hand auto) again sorry bout not re-reading your post about the trick.

Brad
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[JETEB6]
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PostPosted: Sat Oct 18, 2008 1:05 pm    Post subject: Reply with quote

turbotrana wrote:
Just to clarify, the mod I mentioned is not the same as the shift kit mod. The shift kit mod still uses the S3, S4 and S5 solenoids.


My mod completely eliminates the use of the S3, S4 and S5 solenoid. The reason these solenoids are in the box in the first place is to give it smooth shifts.

The way I understand it is if you are still using the above solenoids you will not get the quickest possible shifts as the response time of the solenoids/oil flow can only be so quick and after a certain level of power the gears will flair as the switching can only be so quick. It still takes point xx seconds to do this.

But when you eliminate the switching the cluches and bands responsible for the shifting are applying and releasing at the same time (very close) so gives it less chance to slip.

I am no expert but getting a auto box to shift lightning quick is most of the way to getting it to survive alot better.

I am close to finishing my engine rebuild so the ultimate test of this mod will be done in the next few months.


OK just to clarify this is nothin to actually physically alter the valve body mearly fool the trans. This is an issue i've been wondering about since the conversion started on my car.
With this mod performed correctly should my BTR be capable at around the 8psi range ?
its got a decent tans cooler
Photobucket
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turbotrana
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PostPosted: Mon Oct 20, 2008 12:43 am    Post subject: Reply with quote

will take 8psi no problem

your not fooling the trans, your fooling the ECU that controls the trans

the trans simply will operate without S3,S4 switching. S5 is then of no use.
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FairmontXR6
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PostPosted: Mon Oct 20, 2008 6:11 am    Post subject: Reply with quote

I must have missed it...What do S3 and S4 do?
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[JETEB6]
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PostPosted: Mon Oct 20, 2008 9:12 am    Post subject: Reply with quote

turbotrana wrote:
will take 8psi no problem

your not fooling the trans, your fooling the ECU that controls the trans

the trans simply will operate without S3,S4 switching. S5 is then of no use.


lol sorry phrased that one wrong, but thats what i ment
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turbotrana
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PostPosted: Mon Oct 20, 2008 11:16 am    Post subject: Reply with quote

FairmontXR6 wrote:
I must have missed it...What do S3 and S4 do?



S3 and S4 together with S5 are there for nice shifting qualities.
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FairmontXR6
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PostPosted: Mon Oct 20, 2008 8:44 pm    Post subject: Reply with quote

turbotrana wrote:
FairmontXR6 wrote:
I must have missed it...What do S3 and S4 do?



S3 and S4 together with S5 are there for nice shifting qualities.

I thought only S5 did that, thanks for the info.
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