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Turbo Torana

Started by _mumstaxi_ , Dec 18 2007 08:27 PM

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316 replies to this topic

#126 _mumstaxi_

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Posted 06 December 2008 - 03:40 PM

I used the diode from a VL dash at it worked fine. You just need to make sure it's done the right way. Need a picture?

Yes please Paul, but only if it is "easy" to get, don't go pulling your car apart for it,(or stressing your back etc) as it seems like quite a straight forward mod

you can never posses to much information me thinks ?

MT

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#127 _studricho_

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Posted 06 December 2008 - 09:39 PM

This is where I put the resistor after the UC one went poof...

Posted Image

Close up of the resistor..

Posted Image

This is how I added the extra bulb for the power light from the VL. I thinking about hooking it up (if I can) to light up when boost comes on. I also have an extra bulb holder if I wanted an extra light for something.

Sorry about fuzzy pictures..meds make me shake..

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#128 _mumstaxi_

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Posted 07 December 2008 - 04:58 PM

Tried my diode,didn't do anything but stop the tacho working properly even at low rev's :cry:

Anyway, the problem is, the tacho works fine under normal driving ,but when you "nail it" and it gets up in the rev's, it drops down to zero until you back off again.

It did the same with the 186 but came back "settled" before redline so i never bothered about it (and i didn't want a w*nker tacho)

Is this what yours did paul ?.... if so, could you give me the colour code from the resistor so i can get one of the same value please.

Thanks

MT

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#129 _studricho_

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Posted 08 December 2008 - 03:44 AM

If your tacho did that with the 186 the, you have an electrical issue/tacho issue.

Any other dash issues? Start by checking steering column earths and the glass fuse that provides power for the tacho.

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#130 enderwigginau

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Posted 08 December 2008 - 07:22 PM

MT, you'll have to come cruise down to Moss Street so I can have a looksee

grant..

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#131 _brett_32i_

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Posted 08 December 2008 - 08:22 PM

my tach gave me the same issues, tried a variable resistor but no good. fitted wanker tacho instead.

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#132 _mumstaxi_

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Posted 08 December 2008 - 09:48 PM

paaaarrently, this should fix my tacho issue ?

http://www.msdigniti...ch_Adapter.aspx

hope so, cos i just ordered one ! ($80) :blink:

after looking at the diagram (downloads) i wondered about just running the tacho off the "white" wire instead of the MSD tacho output as i am now, anyone tryed this ?

MT, you'll have to come cruise down to Moss Street so I can have a looksee

grant..

where bouts u @ mate ? could be down that way on saturday ?

MT

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#133 76lxhatch

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Posted 09 December 2008 - 06:23 AM

I'm pretty sure you need to use the MSD tach output or you will get an incorrect reading. The tach adapter could well fix your problem though, good luck!

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#134 _mumstaxi_

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Posted 09 December 2008 - 08:17 AM

Yeh im sure i must have had a good reason to use MSD tacho wire, maybe i "did" read the installation instructions all those years ago :fool:

I can't help think..... if the tach adapter only has the two wires shown in the diagram, how does it change the "tacho output wire" signal when it does not connect to the output of the MSD only "piggy backs" the input signal wire ?

MT

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#135 enderwigginau

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Posted 09 December 2008 - 12:14 PM

If it "piggy-back" the signal wire, it is in parallel.
When the signal or current - whatever- gets too high, it probably becomes the primary signal wire, adjusting the signal.

Grant..

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#136 _brett_32i_

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Posted 09 December 2008 - 04:39 PM

my tach gave issues with both the std tacho wire from the rb30 ecu, and the crane hi6 tach signal wire.

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#137 _mumstaxi_

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Posted 16 December 2008 - 09:48 PM

Got my MSD tach adapter,did not work when hooked up as per the instructions,i have managed to get the tacho to work good,by running the adapter,diode and running the tacho from the white (MSD input) signal wire.

Not quite sure if the tacho adapter does anything, as the tacho still wont work from the MSD tacho output, and i was led to believe it would ?

I am tempted to just run the tacho wire from the white wire alone (using no tacho adapter) and see what happens ?

Pic showing the cooler pipe hooked up.

Posted Image

Intercooler ,you have to look hard to see it .....sleeper :ZZZ:

MT

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#138 _evil UC hatch_

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Posted 16 December 2008 - 10:15 PM

^ that is so cool, I like it :spoton:

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#139 _UNVSM8_

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Posted 17 December 2008 - 04:56 PM

that fits so nicely! job well done!

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#140 _mumstaxi_

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Posted 18 December 2008 - 12:03 AM

Thanks guy's !

Took it up to willowbank for a bit of a play, not running on full boost till ive got decent dyno tune,and can't get on the Dyno untill JAN so just had a test run anyway.

To get a bit of feel for the car i took it easy on the first run, i short shifted @ 4000rpm 1st and 2nd, and then ran right through in top ...13.4@114MPH

Second run went bit harder off the line, reved out 1st and 2nd a bit more, then it ran like a hairy turd in top and surged on and off the rest of the way down the track :cry:

and ran ...12.4@108MPH

Obviously still got a fair way to go, but i am now a bit more confident that my goal, 11.?? @120MPH in "real" full street trim on 175 tyres, looks like it is going to be do-able anyway.

MT

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#141 _brett_32i_

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Posted 18 December 2008 - 06:22 AM

whats the specs of your combo??

i can see a different fuel rail, intake, turbo. but what about ecu, injectors, cam etc??

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#142 _mumstaxi_

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Posted 19 December 2008 - 11:24 AM

Brett, its running forged pistons, big aftermarket cam, head work, Microtech ECU, 750cc Injectors, sard fuel reg, standard IGN (with a MSD BTM) Turbosmart blowmeoff valve.

3 spd auto ,4500 stall, 308 diff gears (lsd), oh,and dont forget the big 175/75/13 skypowers, (LOL)

MT

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#143 _brett_32i_

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Posted 19 December 2008 - 08:10 PM

hang on a minute??? microtec and std ign? so std dizzy and coil?

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#144 _mumstaxi_

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Posted 20 December 2008 - 12:28 PM

Yep, standard IGN (with a MSD BTM), did you think the microtech ECU could not work well the standard dizzy & coil ?

MT

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#145 _brett_32i_

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Posted 22 December 2008 - 08:26 PM

its just weird that you say std ignition, when you have an msd sitting there.

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#146 _mumstaxi_

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Posted 22 December 2008 - 10:21 PM

standard IGN (with a MSD BTM)

Sorry, but im not really quite sure how better to explain it ???

standard IGN (with a MSD BTM) :blink:

MT

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#147 _brett_32i_

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Posted 03 January 2009 - 02:18 PM

hey mt,

have you got a dyno printout yet?

did the get the table or just a graph?

reason i ask is i am thinking about dumping my GTR size/style inlet and reverting back to the std NA manifold with forward facing throttle, similar to yours. (cant find the link atm)

i just swapped to a gt3035 and it is making 10psi at 3400rpm and 12 at 3800rpm. was hoping the bb would get it about 500 rpm sooner.

just wondering with your bigger turbo if you are getting boost any quicker than me.

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#148 _mumstaxi_

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Posted 04 January 2009 - 12:58 PM

Hi Brett,

I have not had it on a Dyno yet as i need to fix the surge issue first (think it is running out of fuel), fixing that problem has been delayed due to wanting to sort out the brakes,and getting stuff done has been hampered with the xmas holidays etc .

In general,a bigger turbo will result in loooonger spool time (or lag) so my turbo (GT4294r) will be making boost much "later" than yours, one of the biggest factors with regard to spool time is the size of the rear housing, a smaller rear housing will usualy bring boost on sooner.

Don't think a big turbo is always going to be better,a GT42 is overkill, my engine/car set up is not for everyone, my car is a "sleeper" first and foremost,and i have made many performance sacrifices to have little/no giveaways to that effect, (nobody has picked it on the street yet, so happy) and for that reason i am, and wish to continue running on 175's,so for me having the boost come in later in the rev range, allows the car to get up to some speed before producing any HP to turn the tyres, and having a big stall reduces the harshness of the "turn on a tap" style turbo.

If the inlet manifold you are talking about is the one you have always had on the car, i would be very hesitant to "bin" that mate, its not that big that it will be causing heaps of lag, and looks like quite a nice design, (not sure what size throttle body you are using tho ?)

Many other factors such as plenum (as you have mentioned) cooler & pipework, exhaust and tune etc can play a big part in how a certain turbo will react on a perticular engine,but personally i don't think 10psi by 3400 is "that" bad, did you have it re tuned with the new turbo tho?

Thought your car has already ran 115MPH with the old turbo/set-up,it is obviously is quite a good engine package and would have to have been good for low 12's ?

I guess it all depends what are you trying to achieve with a turbo/plenum change ?

MT

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#149 _PRO-192_

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Posted 04 January 2009 - 08:48 PM

(nobody has picked it on the street yet, so happy) and for that reason i am, and wish to continue running on 175's,so for me having the boost come in later in the rev range, allows the car to get up to some speed before producing any HP to turn the tyres, and having a big stall reduces the harshness of the "turn on a tap" style turbo.

do you mean to say that no one has "noticed" firstly that your "standard" UC has got a 4500 convertor and secondly that it sounds like a VL/skyline??

micko

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#150 _mumstaxi_

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Posted 05 January 2009 - 01:21 AM

do you mean to say that no one has "noticed" firstly that your "standard" UC has got a 4500 convertor and secondly that it sounds like a VL/skyline??

micko

Exactly mate ! ,you need to remember its not a V8 with 4500 stall,its a totally different animal, the GT42 wont make much boost till 4G and therefore the engine makes very little torque till then,so it won't flare the convertor without HEAPS of pedal, and it cruises away from the line at very low revs with no "excesive" audiable slippage/flare.

I don't run a VL/skyline exhaust, so it doesnt sound "anything" like one,if anything,it sounds exactly like my 186 did with the same exhaust, only now its actually quieter than the 186 because im now running a catalytic converter as well.

When i asked the guy that hooked the dump pipe to the rest of the exhaust ,"is it quiet", i think he sumed it up with his reply...... "it sounds just like a shitta !"

A "true" old holden owner will know how to tell for sure, and im not saying you "can't tell" just that nobody has yet (well that ive seen/spoken to), and with the rareness of "standard" torana's, most of the average people don't have enough info to call my bluff.

But hey micko, you are southside boy, if you like im happy to PM you next time im going for a drive, and then you can come out and judge for yourself whether or not ive been whackin off too hard ! :spoton:

...and after you can tell everyone if you agree i have a decent sleeper or im just a complete tosser, your call, let me know ?

MT