Madaz's V8 lux

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cool__bananas
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Re: Madaz's V8 lux

Postby cool__bananas » Sun Oct 19, 2008 12:07 pm

Mattman wrote:I dyno'd the Soarer recently in preparation for the M90 setup that is about to be bolted to it


can i come for a ride when it done? :lol:

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Re: Madaz's V8 lux

Postby Mattman » Sun Oct 19, 2008 5:03 pm

For sure, if you hold off for a few more months I will have completed the manual conversion.

It's already got large four pot front brakes, bigger swaybars, coilovers, gear driven Torsen LSD so once the 5speed and supercharger are finished it should be a bit of fun. Should go, turn and stop pretty well.

Hope to have it at the Masterton drags over xmas/new years.

Matt.

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Re: Madaz's V8 lux

Postby Madaz » Sun Oct 19, 2008 7:02 pm

Mattman wrote:How are you calculating the fuel economy?
Matt.


I drained all the gas out, put in 12 litres and 40ks later ran out of gas

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Re: Madaz's V8 lux

Postby kaney » Sun Oct 19, 2008 7:09 pm

Madaz wrote:
Mattman wrote:How are you calculating the fuel economy?
Matt.


I drained all the gas out, put in 12 litres and 40ks later ran out of gas


did you check afterwards that the tank was really empty, not still having a couple of litres in the bottom of the tank
toymota thats stock standard.

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Re: Madaz's V8 lux

Postby cool__bananas » Sun Oct 19, 2008 7:41 pm

Mattman wrote:Hope to have it at the Masterton drags over xmas/new years.


il give you a drag in my mums car :D (xr8 :()
sorry for the thread jack :P

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Re: Madaz's V8 lux

Postby Mattman » Sun Oct 19, 2008 7:51 pm

Madaz wrote:
Mattman wrote:How are you calculating the fuel economy?
Matt.


I drained all the gas out, put in 12 litres and 40ks later ran out of gas


How did you calculate the distance? Perhaps if the km's were out a bit and there was a little fuel left it might be something like 46km's for 10L which would make it about 10% worse than my Soarer which is about what I would expect if you aren't nannering it.

Matt.

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Re: Madaz's V8 lux

Postby Madaz » Sun Oct 19, 2008 10:04 pm

Fuel economy runs were done on the open road(at night) with a gps and recalibrated speedo changing up gears @ 2500-3000rpm on flat roads cruising @ 90 -100ks @ 2500 rpm in 4th gear.
Thats about as nannerish as i can drive!
We did the same road about 4 nights in a row trying different airflow meters, computers, dodgy things and got the same figure every time.

Gonna bite the bullet and pull the whole fuel system out of the truck and check it, which aint gonna be a fun job :( :x

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Re: Madaz's V8 lux

Postby Mattman » Mon Oct 20, 2008 6:06 am

Okay in that case then there is something wrong.

Did you do any cruise testing on the dyno? At cruise the AFR should be quite lean and nowhere near the 11:1 or the 10.7:1 I see at WOT.

You could perhaps have a stuck injector or ridiculous fuel pressure, bad air temp or coolant temp or O2 sensor signal that is causing the excessive fuelling but before I went chasing those I would want to know that the AFR at cruise was well out.

Do you still have the diagnostic plug? Can you check the ECU codes and see if it's having any problems?

Matt.

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Re: Madaz's V8 lux

Postby Madaz » Mon Oct 20, 2008 8:21 pm

Mattman wrote:Okay in that case then there is something wrong.

Did you do any cruise testing on the dyno? At cruise the AFR should be quite lean and nowhere near the 11:1 or the 10.7:1 I see at WOT.

You could perhaps have a stuck injector or ridiculous fuel pressure, bad air temp or coolant temp or O2 sensor signal that is causing the excessive fuelling but before I went chasing those I would want to know that the AFR at cruise was well out.

Do you still have the diagnostic plug? Can you check the ECU codes and see if it's having any problems?

Matt.


We have checked everything to do with the engine and cant find anything. No fault codes and all the sensors are doing their thing.
Thats why im starting to look for a fuel leak somewhere, and im a bit suspect of the main fuel pump im sure somethings going on there.
Quite Pi__ed off at the whole thing

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Re: Madaz's V8 lux

Postby Jafa » Mon Oct 20, 2008 8:26 pm

Fuel tank is venting properly?, does it go any different without the fuel cap on?
'85 Hilux crawler, 3rz, duals, 4.7's, 4.88's, ARB's, 30 spline Longfields, 6 stud SNR4x4 Histeer, Airshocks up front, coiled rear, 40" Iroks.
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Re: Madaz's V8 lux

Postby Mattman » Mon Oct 20, 2008 8:31 pm

Frustrating, hope you get it sorted.

I had external fuel pump problems and converted to an in tank V6 pump. Quieter and works all the time.

Matt.

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Re: Madaz's V8 lux

Postby Madaz » Mon Oct 20, 2008 8:33 pm

Jafa wrote:Fuel tank is venting properly?, does it go any different without the fuel cap on?

Yeah its got a good vent right at the back of the tray, I almost wonder if it too good?

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Re: Madaz's V8 lux

Postby Madaz » Mon Oct 20, 2008 8:34 pm

Mattman wrote:
I had external fuel pump problems and converted to an in tank V6 pump. Quieter and works all the time.

Matt.

What kind of problems??

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Re: Madaz's V8 lux

Postby Mattman » Tue Oct 21, 2008 6:31 am

The pump lost pressure after about 20 minutes and hot starting and low fuel levels were a problem.

Twice the pump got airlocked and I had to manually prime the pump to get it to start again. I believe it was a VL turbo bosch pump.

It was also crazy noisy. In tank is silent, less fittings and fixtures and just works.

Matt.

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Re: Madaz's V8 lux

Postby jeremy » Tue Nov 11, 2008 1:43 pm

Hey Tim have you sorted your fuel problem?

I've just been looking at some numbers from the weekend and I used just over 10 litres going 36 k (according to google maps) from a gas station near home to the gas station at bombay. So that's 3.6k per litre and that was real 'nannerish' driving. Although having said that, I don't think I got it quite full when I filled it up that morning, whereas I fulled it to the brim at bombay so those numbers may be a bit off.

And just as a guestimate from looking at where the gauge is at now, I would've used no more than 20 litres to complete all the stages on sat and sunday at the manukau winch challenge and I wasn't being shy on the loud pedal.

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Re: Madaz's V8 lux

Postby Madaz » Wed Nov 12, 2008 7:26 pm

Hey Jeremy, I've been talking to the guy that wired my truck and your dads as well and im wondering if it needs some wires culled from the computer, also talked to Klem and hes heard of a few conversions that have just drunk gas for no reason and the owners have changed to links to tune it out(when you consider that klems supercharged race truck uses half as much gas as ours((normally)) Theres certainly something thats not right.

Congrats on you win at the weekend too, good to see that truck being used what it was built for.

Cheers

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Re: Madaz's V8 lux

Postby jeremy » Thu Nov 13, 2008 4:06 pm

Ah ok how is Phill? Are you running the crown ecu as well? I'm definitely interested to find out what the problem is now. I'd never actually thought twice about fuel economy until you mentioned it. I knew it was running a bit rich, but it's a whole lot more fuel friendly than our cruiser so wasn't too worried.

Thanks for the congrats, it was a nice reminder of just how good a combo the lexus powered hilux are for this winch challenge game.

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Re: Madaz's V8 lux

Postby Madaz » Tue Dec 02, 2008 7:13 pm

Bit of a update:

Finally got certified, warranted, and insured -

Gave up worrying about the fuel consumption and went on a club bush trip at Karikariki
Image

(That got the trucks "ding" virginty out of the way) :mrgreen:

And on sunday a trip with the missus up Thompsons Track....
Image

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Re: Madaz's V8 lux

Postby haynzy » Tue Dec 02, 2008 7:17 pm

very cool 8)
swb lux with 7mge, trailgear crossover, trailgear rear lift kit, custom front bar, runva 1200lb winch, custom snorkel, 37" Mtrs, custom deck, lockright in the rear.

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Re: Madaz's V8 lux

Postby petefj40 » Tue Dec 02, 2008 9:11 pm

Madaz wrote:
Gave up worrying about the fuel consumption and went on a club bush trip at Karikariki


:wink:

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Re: Madaz's V8 lux

Postby petefj40 » Tue Dec 02, 2008 9:28 pm

Around town I use 27litres per 100km. But that's running a 5.7litre on a maffless tune.

Nice looking truck!!

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Re: Madaz's V8 lux

Postby Madaz » Wed Dec 17, 2008 6:34 pm

Went up Thompsons track last night to recover one of my friends, who had gone up on sunday to recover some friends of his that had been stuck up there for a few weeks-
He was doing well untill he blew both c.v.s and his winch motor and they all had to walk out on sunday night.
We managed to get every one out, in what turned out to be quite a eventful night.

Cheers to Shortylux for being my winch bitch all night

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Last edited by Madaz on Thu Dec 18, 2008 8:37 pm, edited 3 times in total.

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Re: Madaz's V8 lux

Postby Madaz » Wed Dec 17, 2008 6:43 pm

Oh, and for some crazy reason im getting some fuel economy now - 300 ks out of 50 litres :D

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Re: Madaz's V8 lux

Postby turoa » Wed Dec 17, 2008 7:30 pm

man your trucks awesome tim :D looks awesome. Love the black plates on it :lol:

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Re: Madaz's V8 lux

Postby petefj40 » Wed Dec 17, 2008 7:44 pm

Good pix there Tim. Good to see everyone out safe n sound. :wink:

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Re: Madaz's V8 lux

Postby Madaz » Wed Dec 17, 2008 7:56 pm

:shock: Think that safari was up there for 4 weeks.....

Was good to see that the trucks could be left up there for a few days( or weeks) without some a**hole messing with them or burning them out.

I think we were all a bit surprised by that

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Re: Madaz's V8 lux

Postby wopass » Wed Dec 17, 2008 8:51 pm

bombing range looks dry !!

good work dude :mrgreen:

truck perform ok ? off road manners what you wanted ?
If you already know everything, DON'T ask bloody questions!!

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Re: Madaz's V8 lux

Postby Jafa » Thu Dec 18, 2008 8:54 am

Looks great man!, how good is it to have it out and driving!, like walking out of a tunnel :D
'85 Hilux crawler, 3rz, duals, 4.7's, 4.88's, ARB's, 30 spline Longfields, 6 stud SNR4x4 Histeer, Airshocks up front, coiled rear, 40" Iroks.
^^^this shite is all about to change....^^^

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Re: Madaz's V8 lux

Postby BrentC » Thu Dec 18, 2008 3:40 pm

wopass wrote:bombing range looks dry !!



Couple of weeks ago - a few of the lads turned around at the top and were down and out in about 2 1/2 hours 8)

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Re: Madaz's V8 lux

Postby J_Dub » Thu Dec 18, 2008 5:41 pm

nice truck, cool pics

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