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NF 5.0 With no Guts! 

 

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 Post subject: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 9:54 pm 
Getting Side Ways
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Ride: EF Fairmont, XG Ute

Hey Fellas.

Going to look at an NF 5.0 in a few days.

Apparently has not alot of power. The bloke reckons a mechanic diagnosed it as needing a timing chain. Apparently goes smooth though.

He says he has played with the timing to no avail.

I'm thinking its unlikely that the chain is worn or has slipped, car has done 220K or so AFAIK.

I thought it would be more likely that:

1. The balancer has slipped
2. Cam timing has been set wrong when chain has been off
3. They just don't know how to set the timing
4. MAF is dirty/stuffed
5. Blocked cats
6. Worn throttle cable


For those here experienced in these, what are your thoughts? Obviously MAF and throttle cable are easy to check when I drive it, is a slipped balancer visually obvious?
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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 10:35 pm 
Getting Side Ways
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SLO247 wrote:
1. The balancer has slipped
2. Cam timing has been set wrong when chain has been off
3. They just don't know how to set the timing
4. MAF is dirty/stuffed
5. Blocked cats
6. Worn throttle cable


1 = OEM balancers have a little bit of history in failure.
2 = possible.
3 = unless they put the engine into test mode to set base timing then that's possible too.
4 = easy to clean, easy to swap with a mate's working one.
5 = possible.
6 = if TB opens fully when pedal is opened all the way then no.

Things to also bear in mind; fuel filter may need to be replaced. Leads and plugs should be an automatic replacement as you can never be sure of them when buying S/H car.

 

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Last edited by Vic on Wed Apr 13, 2011 10:39 pm, edited 1 time in total.

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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 10:36 pm 
Getting Side Ways
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My balancer was obvious once we looked at it was nearly 180 degrees out, but it seemed like a real bad miss at first!

 

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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 10:38 pm 
Getting Side Ways
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Ok Vic, thanks for that.

No idea on whether you can visually assess the condition of the balancer? I do hear about them going.

You hit the nail on the head regarding how I'll check the cable too.

The normal service items are a given, I'm just trying to find out what else will kill the power while still allowing it to run smoothly.
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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 10:40 pm 
Getting Side Ways
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fairlane6970 wrote:
My balancer was obvious once we looked at it was nearly 180 degrees out, but it seemed like a real bad miss at first!


Thanks for that too. So safe to say it wont run very smoothly with the timing 180 degrees out? :P
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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 10:41 pm 
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SLO247 wrote:
No idea on whether you can visually assess the condition of the balancer? I do hear about them going.

With the engine off ( obviously! ) place your fingers on the balancer and try to move it back and forth. If it wiggles at all then the balancer requires replacement.

 

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 Post subject: Re: NF 5.0 With no Guts!
Posted: Wed Apr 13, 2011 11:13 pm 
Getting Side Ways
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Will do. Thanks. :D
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 Post subject: Re: NF 5.0 With no Guts!
Posted: Fri Apr 15, 2011 11:18 pm 
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how would you guys recomend to clean the maf?

 

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 Post subject: Re: NF 5.0 With no Guts!
Posted: Sat Apr 16, 2011 12:20 am 
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Well if you have a very delicate touch then you can take some Contact Cleaner or similar, spray it onto the hotwire and then very very gently, clean it with a cotton bud or like. Breaking the hotwire accidentally will set you back $$$'s. :o

 

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