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| First 4x4 and need to know more! https://auszookers.com/forum/viewtopic.php?f=5&t=38461 |
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| Author: | Tommo88 [ Sun Jan 20, 2013 12:05 pm ] |
| Post subject: | First 4x4 and need to know more! |
I just got myself a 91 Sierra soft top 1.3ltr 180000kms odm with full service history from the day it was born. It runs like a dream I only had to replace the battery that was to tall and shorting on the bonnet. Visibly there are no diff leaks, gearbox leaks, transfer case leaks and there is a small oil leak from the rocker cover. I have changed the oil and oil filter. Checked the air filter and it was very oily from the hose running to the top of rocker cover. (Is this normal? should I get a new air filter?) Since this is my first 4x4 would like to do most of the maintenance and modifications (possible in the future) myself since I’m on a major budget. I just need to know where to start. Is there things you check or service that are different from a passenger car? Should I run just normal unleaded or 98?. I think it is running too rich on fuel because the exhaust smells strong inside the car and has a distinctive sweet smell? How do I tune the carbie? I love this little gem and have taken it to the dunes a few times and was extremely impressed by its performance. I’ve always loved tinkering with my cars and motorbikes and I’m just really excited to be a part of the 4x4 community I think it was a really good find; the only small amount of rust I found was on the drain plugs under the floor mats! Any information is appreciated as I’m digging through old post for the last week and haven’t found anything definitive. |
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| Author: | suzukiboy [ Sun Jan 20, 2013 12:09 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Congratulations on your first Suzuki 4x4, sounds like a good buy. |
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| Author: | want33s [ Sun Jan 20, 2013 4:17 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Oil in air filter is 'blow-by' of the piston rings.. Pretty standard for a car with your Km's.. Put up with it or bore block and fit new pistons and rings. I've found that if tuned to suit, a Sierra runs better on 98. |
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| Author: | Tommo88 [ Sun Jan 20, 2013 6:16 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
suzukiboy wrote: Congratulations on your first Suzuki 4x4, sounds like a good buy. Cheers mate . want33s wrote: Oil in air filter is 'blow-by' of the piston rings.. Pretty standard for a car with your Km's.. Put up with it or bore block and fit new pistons and rings. I've found that if tuned to suit, a Sierra runs better on 98. Ok that makes sense, So how did you tune your? |
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| Author: | Gwagensteve [ Sun Jan 20, 2013 8:08 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
I think primarily you'd run some more timing advance to take advantage of the slower burn of 98. You'll get an increase in torque mostly. Steve. |
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| Author: | Tommo88 [ Mon Jan 21, 2013 2:05 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Thanks guys, i will try to look into that. Do you know the timing for these motors? |
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| Author: | Gwagensteve [ Mon Jan 21, 2013 2:31 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
10˚BDTC @ 850rpm +/- 50rpm The timing mark is on the flywheel, accessed near the exhaust manifold. Read the mark at the "step" in the hole. 10˚ is marked on the flywheel. you can try another couple of degrees for 98 octane. Steve. |
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| Author: | 303zuke [ Mon Jan 21, 2013 2:41 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Tommo88 wrote: Thanks guys, i will try to look into that. Do you know the timing for these motors? You'll also find a lot of handy, basic tuning specs on the stickers under the bonnet. Also, the factory manual is much more detailed than Gregorys, Haynes type books: http://www.4x4.in.th/manual_sj413/chapter0.pdf |
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| Author: | Tommo88 [ Mon Jan 21, 2013 3:02 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Thanks guys, just looking at the factory manual now. wow that is one complex carby. I still cant see anywere how i would stop the mix being too rich from idle to full speed? The Zook drives fine but my wife wont come for a ride in it because her hair stinks like petrol after we drive. I dont mind that much I understand that you would get some smells coming back because its a soft top but by crikey it really must be running rich. Do these zooks always just have that smell or do i have a problem with mine? |
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| Author: | Tommo88 [ Mon Jan 21, 2013 3:08 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
And also as I first posted, what are the main things i should keep an eye on or oil as a 4x4? Do i have to check things periodocly like you do the oil and water? |
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| Author: | McBane [ Mon Jan 21, 2013 7:09 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
sounds like it needs a good tune up. personaly i wouldnt go chasing a couple of extra degrees advance on the timing on a engine thats already got blow by as this can cause extra oil consumption due to inaudable detonation which is very common on cars with a few kms |
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| Author: | zukmeista [ Tue Jan 22, 2013 1:24 pm ] |
| Post subject: | Re: First 4x4 and need to know more! |
Exhaust positioning could also be an issue, needs to exit outside of bodywork or it will suck fumes in . |
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