Hodge's new 4.2

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Originally Posted by Winnie

You should be able to get more out of that pump, and the air intake will handle more too but you will see a big gain by changing it.
Your turbo should be the limiting factor at the moment.

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Yeah from memory Mat said that as well. Something along the lines of HT18 is out of it's efficiency range or something like that.

I think it's finally settled and burped it's self entirely. Header tank full to brim no bubbles. Good result.

http://www.nissanpatrol.com.au/forum...017/03/106.jpg

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have you a dual battery system ??

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Originally Posted by threedogs

have you a dual battery system ??

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Yes. It's been relocated from the front to the rear .

So after last dyno tune the idle and air con idle have been fucked good and proper... It's a long angry story. So I won't get into that.
I need to adjust just my normal idle. Not aircon idle. Just the usual idle.
It's sitting on 850-900RPM. Usually it's on 650 or there abouts. And aroud 750rpm Aircon idle.

@nissannewby I know you're a busy man. But when you get a moment give us a rough guide which screw I need to adjust ? Just normal idle. Forget aircon idle.

Thanks mate.

I will grab a pic for you mate and post it here. You want idle to be around 750rpm mate. It needs to remain at a similar or slightly higher rpm for ac, around 800rpm.

Sounds like they have altered the fuel screw which isnt great. Im hoping no one has mucked with the timing of that pump as well.

Hodge,

I found the idle on my old 4.2 used to wander about a little so I used to have the hand throttle set at idle speed to take care of that, if I didn't it would stall occasionally .

Yours might be similar ...... It may not necessarily have been the tune up.

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Originally Posted by happygu

Hodge,

I found the idle on my old 4.2 used to wander about a little so I used to have the hand throttle set at idle speed to take care of that, if I didn't it would stall occasionally .

Yours might be similar ...... It may not necessarily have been the tune up.

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Whatever was done during the dyno definitely altered the idle and air con idle. It happened last year as well. It just idled way too high. So went back and they fixed it in 5 minutes.

This time exactly the same thing happened. Except ive so far been back twice and they cannot adjust it properly.

Prior to any of this my idle was perfect no fluctuations unless aircon is on, which is when it idles up 50-100 rpm.

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I would just go back and tell them to adjust it back. It left their shop like that. So they should deal with it.

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Originally Posted by Ben-e-boy

I would just go back and tell them to adjust it back. It left their shop like that. So they should deal with it.

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Its going back next week. I couldnt catch them during working hours this week.
But until then i just need to drop the idle as its shitting me idling at 900 or there abouts .

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