Post #1
Running at the mo seems to have a flat spot from about 3 maybe 3.5k to abot 4 to 4.5k then its alive again, stopped and tried unplugging the lambda seemed to make no difference, so any one else had this and was it lamba related, any other ideas.
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displaying posts 1 to 8 of 8
| Author | Subject: Flat spot around 3-4k |
 sloppy
Senior User  Location: Yorkshire Registered: 07 Aug 2005 Posts: 677 Status: Offline |
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 Posted 14th Nov 2010 at 02:25
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #2
On WOT or part throttle? Lambda makes no odds on WOT.Coolant temp sensor Throttle Postition Sensor Cam timing ________________________________________ Nothing to see here |
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Posted 14th Nov 2010 at 04:12
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monty-69
Senior User  Location: Colne Registered: 02 Jul 2006 Posts: 790 Status: Offline |
Post #3
maybe check the cat is in one piece? They are gutless below 4000rpm. |
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Posted 14th Nov 2010 at 04:54
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adam b
Seasoned Pro Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #4
monty-69 wrote: maybe check the cat is in one piece? They are gutless below 4000rpm. Depends on the cam timing  ________________________________________ Nothing to see here |
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Posted 14th Nov 2010 at 04:56
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monty-69
Senior User Location: Colne Registered: 02 Jul 2006 Posts: 790 Status: Offline |
Post #5
Ive driven three, all with standard cam timing, one standard, and two with breathing mods. All wouldnt pull skin off a rice puddin in low revs. |
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Posted 14th Nov 2010 at 05:07
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sloppy
Senior User Location: Yorkshire Registered: 07 Aug 2005 Posts: 677 Status: Offline |
Post #6
and wide open throttle, just seems a bit flat, is the cam timing hard to adjust or do you need new pulleys, or just adjust them on the movement they have? I just removed the cat as i thought this would not be helping. could be just how they are its about 3 years since i last drove a git6. i think about coolant temp, i will swap this and see as i have a spare. |
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Posted 14th Nov 2010 at 14:32
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #7
bo***cks are they gutless, same was often said of the MI16's, its just that they go mental above 4k.timing is easy to check, firstly you need to make 100% sure that the bottom pulley has not slipped, the keyway is meant to be 70 degrees from the locking pin hole, you cna move them a fair amount as standard. one thing to bear in mind, that IIRC you have a restrictive exhaust manifold fitted, this may well cause the engine to have different characteristics to the original engine+manifold combo. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 14th Nov 2010 at 18:24
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sloppy
Senior User Location: Yorkshire Registered: 07 Aug 2005 Posts: 677 Status: Offline |
Post #8
Yea thats true, i think it is prob ok but im used to a v6 and a 2.0 turbo so it feels a little slower. I will check timing though. However unforunately it looks like the head gasket is going so i will have a bash at adjusting the inlet timing then. welshpug! wrote: bo***cks are they gutless, same was often said of the MI16's, its just that they go mental above 4k. timing is easy to check, firstly you need to make 100% sure that the bottom pulley has not slipped, the keyway is meant to be 70 degrees from the locking pin hole, you cna move them a fair amount as standard. one thing to bear in mind, that IIRC you have a restrictive exhaust manifold fitted, this may well cause the engine to have different characteristics to the original engine+manifold combo. |
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Posted 14th Nov 2010 at 20:12
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