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 Posted: Fri Jan 14, 2011 4:22 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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Hi all
Im looking at getting a new engine for my car as the signs are leading to a possible cracked cylinder liner and heard that for the hassle of changing this, i might aswell get another engine for my car.
Currently i have a tu3jp kfx engine (1.4 8v), after looking on ebay etc ive seen both kfw and kfx engines for sale. If im right in thinking the KFW engine has the cat in the manifold along with 2 lambda sensors. Where as the kfx engine has an under car cat and just one lambda sensor in the front down pipe. Other than this what are the differences in the engines, different sensors, locations number of sensors etc?
Thanks in advance for replies and advice given.
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Posted: Fri Jan 14, 2011 4:23 pm |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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I reckon you should buy the 1.6 8v lump 
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| Renault Clio III RS - Race Car 
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner  | |
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Posted: Fri Jan 14, 2011 4:28 pm |
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Joined: Jan 25, 2010
Posts: 3497
Trade Rating: +31
Location: VVT Land, Fife
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| Mattie-VTS wrote: |
| I reckon you should buy the 1.6 8v lump |
..because it's worth the hassle for such a great engine???? 
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Posted: Fri Jan 14, 2011 4:29 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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| Mattie-VTS wrote: |
| I reckon you should buy the 1.6 8v lump |
Its an option but then would it not complicate matters with the ecu, imobilisers etc? Along with having to notify dvla and insurance company meaning my premium going up.
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Posted: Fri Jan 14, 2011 4:29 pm |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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| Brian wrote: |
| Mattie-VTS wrote: |
| I reckon you should buy the 1.6 8v lump |
..because it's worth the hassle for such a great engine???? |
because its straight swap and better than he has now
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| Renault Clio III RS - Race Car
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner | |
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Posted: Fri Jan 14, 2011 4:34 pm |
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Joined: Aug 25, 2010
Posts: 786
Trade Rating: +2
Location: East london
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1.6 8v, straight fit, couple of hours job and use the same ecu but get it re-mapped
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WARNING: This User Has Had Bad Trade Feedback In The Past
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Posted: Fri Jan 14, 2011 4:42 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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| T_bandery wrote: |
| 1.6 8v, straight fit, couple of hours job and use the same ecu but get it re-mapped |
Ideally i would skip the hassle of having to get the ecu remapped, and just swap for another 1.4 8v engine. Im not fussed about doing it to gain more power as the reduced mpg would outway the gains atm.
Although if one came up for the right price i would probably go for it.
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Posted: Fri Jan 14, 2011 4:45 pm |
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Joined: Aug 25, 2010
Posts: 786
Trade Rating: +2
Location: East london
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In that case you are better of getting the KFX engine as it will match with all the sensors e.t.c.
I personally have no idea about the difference in the KFX & KFW but it would make sense to stick with the one you currently have
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WARNING: This User Has Had Bad Trade Feedback In The Past
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Posted: Fri Jan 14, 2011 5:03 pm |
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Joined: Jan 02, 2011
Posts: 286
Trade Rating: +1
Location: Leigh
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among the already mentions issues withchaning to the 1.6, a lot of insurance companiess won't touch you with a bigger engine installed and then you also will be paying more road tax.
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Posted: Fri Jan 14, 2011 5:10 pm |
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Joined: Feb 07, 2010
Posts: 7094
Trade Rating: +11
Location: Suffolk
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What of course, i forgot, 1.4 and 1.6 8 valve engines look entirelly different
So much so when i put a 106 1.6 engine in, i thought i secretly put in a V8
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| Team Impossible Possible
The only way of finding the limits of the possible is by going beyond them into the impossible - Arthur C. Clarke
Forged 1.6 Turbo
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144Bhp @ 7PSi - 193.9Bhp @ 13psi
206 Gti Race Car
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For all Race/Track Preparation, Feel Free to PM Me!
Whether its for a custom ratio gearbox or track-day alignment, I can help! | |
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Posted: Fri Jan 14, 2011 5:16 pm |
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Joined: Aug 25, 2010
Posts: 786
Trade Rating: +2
Location: East london
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Insurance company aint really going to find out if it is a 1.6 unless they do some serious measuring of the combustion chambers, i say go ahead with a 1.6, well worth it
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WARNING: This User Has Had Bad Trade Feedback In The Past
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Posted: Fri Jan 14, 2011 5:18 pm |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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The 1.6 8v engine is:
Thirsty
Gutless
Expensive on road tax
More to ensure
Do the maths! 
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport | |
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Posted: Fri Jan 14, 2011 5:27 pm |
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Joined: Jan 02, 2011
Posts: 286
Trade Rating: +1
Location: Leigh
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| T_bandery wrote: |
| Insurance company aint really going to find out if it is a 1.6 unless they do some serious measuring of the combustion chambers, i say go ahead with a 1.6, well worth it |
So insurance companies don't check engine numbers against the V5? DVLA don't have a list of engine numbers already in cars and will automatically change it to a 1.6 when the engine number is changed to avoid problem 1?
Changing the engine and not telling DVLA/Insurance is the easiest way to get prosectued for driving without insurance come accident time. I know someone who put a 1.8 Zetec in his 1.4 focus and didn't tell anyone. When someone hit the back of him all hell broke loose the insurance company said his policy was invalid, informed the police who promptly came round and took the car. 
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Posted: Fri Jan 14, 2011 5:29 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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To be honest my 1.4 8v is thirsty enough at times as nine out of ten times im only travelling at most 10 miles. Either to work or into town. As i said before i wouldnt go out my way to put a 1.6 in unless it was a good price i.e. less than a 1.4.
As for the extra power gains im really not fussed as im trying to build up some no claims so that when the time comes i can insure a quicker car. And untill then will be repairing/restoring said car.
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Posted: Fri Jan 14, 2011 5:50 pm |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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could you not just buy the cylinder head?
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