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Rant!! Aftermarket Cossy engine looms!

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Old 07-01-2011, 03:28 PM
  #1  
Martin-Hadland
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Default Rant!! Aftermarket Cossy engine looms!

Why do I seem to get so many problems with them?

It's always a misfire at a certain rpm and I see it far too often, I have a car on the rollers right now with a brand new loom and everytime it hits 6.2k under load is misfires its tits off, replace it with my shonky old Ford slave loom and zero misfires just pure power.
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Old 07-01-2011, 03:29 PM
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Is it always with the same make of loom or any aftermarket loom?
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Old 07-01-2011, 03:30 PM
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bad workmanship? crap products/materials?


Luciano
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Old 07-01-2011, 03:33 PM
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Originally Posted by MONSTER
Is it always with the same make of loom or any aftermarket loom?
The last two have been by the same person yes (the only persons looms that I've never had an issue with is Ian Spotter) , the previous one was a non existant crimp on no3 injector, don't have a clue what's up with this one. Trouble is you end up suspecting it's plugs, crank sensor, phase etc etc and by the time you've got down to diagnosing the issue you're into a lot of dyno time and why should the customer pick up the tab???????

Originally Posted by charlie luciano
bad workmanship? crap products/materials?


Luciano
Poor workmanship was the last one, don't know with the current one.

Last edited by Martin-Hadland; 07-01-2011 at 03:35 PM.
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Old 07-01-2011, 03:34 PM
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intresting. what loom ? spill the beans.
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Old 07-01-2011, 03:37 PM
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Change your loom supplier, never heard anything negative about the guy I use loom wise.
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Old 07-01-2011, 03:39 PM
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suppose it would be better if people knew where the loom came from to save them a lot of money in the long run,whether you name them is a different story though.
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Old 07-01-2011, 03:44 PM
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gotta be worth mentioning if its the 2nd one from the same person?

are they on here Martin
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Old 07-01-2011, 03:46 PM
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I know two people that have Ryan looms, and they are very well built (IMHO), and have been on the respective cars without fault for a couple of years now. Does Ryan still make looms?
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Old 07-01-2011, 03:46 PM
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I can see why you wouldn't want to name them tbh

Just tell me, I won't tell anyone I promise

I do have a brand new Ryan loom that I've yet to fit, do you think I should bother?
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Old 07-01-2011, 03:49 PM
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Martin, I just CW Looms for my looms.

You can contact them at cw_looms@hotmail.co.uk please mention my name when doing


Here's a little example pic:

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Old 07-01-2011, 03:49 PM
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Dave,

tbh, its a bit pointless starting this thread if Martin won't name then.

Is it worth calling him/them yourself and letting them know.
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Old 07-01-2011, 03:51 PM
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pointless post unless your going to name them as it isnt fair to all the loom makers as you are basicly putting doubt in peoples minds regarding ALL loom makers and thats not right

How would you feel is somone posted " one of the tuners of here was shit " blar blar blar , People could assume its you when it isnt ?
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Old 07-01-2011, 03:52 PM
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Originally Posted by dave cos4x4
Dave,

tbh, its a bit pointless starting this thread if Martin won't name then.
.

It is mate but you know what this place can be like, you try and impart some well earned knowledge & end up getting lynched
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Old 07-01-2011, 03:54 PM
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Crank sensor sheilding maybe ?

My mate had the same problem with a loom a while ago which turned out to be that.
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Old 07-01-2011, 03:55 PM
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Originally Posted by MONSTER
It is mate but you know what this place can be like, you try and impart some well earned knowledge & end up getting lynched
ah...but the 'well earned knowledge' is not getting spread over the internet IF Martin does not name them.

imo, i would get it deleted and have a word with the loom maker.
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Old 07-01-2011, 03:56 PM
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Originally Posted by Martin-Hadland
Trouble is you end up suspecting it's plugs, crank sensor, phase etc etc and by the time you've got down to diagnosing the issue you're into a lot of dyno time and why should the customer pick up the tab???????
If the car has arrived with a faulty loom already fitted, then I see no reason why the customer shouldn't pay the diagnosis time?

If you have been supplied with a bad loom, that you've sold to and fitted for a customer, that's different...
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Old 07-01-2011, 03:57 PM
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Originally Posted by RWD_cossie_wil
I know two people that have Ryan looms, and they are very well built (IMHO), and have been on the respective cars without fault for a couple of years now. Does Ryan still make looms?
Yes he is still making looms but mainly for bike team now so isn't taking on much other work as far as I'm aware.
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Old 07-01-2011, 03:59 PM
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Originally Posted by NORTH YORKS RS SPARES
pointless post unless your going to name them as it isnt fair to all the loom makers as you are basicly putting doubt in peoples minds regarding ALL loom makers and thats not right

He has named them, it's anyone apart from Ian Spotter.



Originally Posted by Martin-Hadland
(the only persons looms that I've never had an issue with is Ian Spotter)
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Old 07-01-2011, 03:59 PM
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Originally Posted by RSRoy
Martin, I just CW Looms for my looms.

You can contact them at cw_looms@hotmail.co.uk please mention my name when doing


Here's a little example pic:


Rough idea on price for a 4wd?I could reloom it myself but if it's not stupid I may give this a go?I know my fuel pump needs doing and fan circuit but I'm pretty confident I can do all that on my own following the guides on here.
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Old 07-01-2011, 03:59 PM
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Renton,

Martin was only saying that its not fair on th customer paying for time to sort problems out when its the loom makers mistake,they should be made to pay really.
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Old 07-01-2011, 04:00 PM
  #22  
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This is one of the things i should buy for the car this year.

So whos loom don't i buy ?????

Steve
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Old 07-01-2011, 04:03 PM
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Originally Posted by vaughant
Rough idea on price for a 4wd?I could reloom it myself but if it's not stupid I may give this a go?I know my fuel pump needs doing and fan circuit but I'm pretty confident I can do all that on my own following the guides on here.
Sorry don't know the prices atm. Contact them through the provided email adress. Most likely you'll get a reply within a day.
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Old 07-01-2011, 04:10 PM
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Originally Posted by RSRoy
Sorry don't know the prices atm. Contact them through the provided email adress. Most likely you'll get a reply within a day.
Cheers fella.
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Old 07-01-2011, 04:11 PM
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So what causes faults in wiring looms?I take it its down to crap wiring,or as in old looms corroded wires.
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Old 07-01-2011, 04:11 PM
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This loom and the previous one was made by Ryan, the look looks pucka BUT heatshrink is used on the connectors not rubber boots so this needs cutting off to have a look at the crimps.
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Old 07-01-2011, 04:17 PM
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not good for Ryan then.

wonder how mny other tuners have had similar things happen.
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Old 07-01-2011, 04:19 PM
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Martin

As ive said before give me a bell on this one. If im not able to take on the work i can certainly point you in the right direction.

Cheers Mark
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Old 07-01-2011, 04:22 PM
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Originally Posted by Glenn.
So what causes faults in wiring looms?I take it its down to crap wiring,or as in old looms corroded wires.

Depends.... Older looms suffer from contamination, work hardening of the wires as they move, corrosion, all leading to open circuits or high resistances. The looms can also suffer from a breakdown of insulation or sheilding allowing short circuits or elecromagnetic interferance to disrupt signals.

New looms can suffer from all of the above, plus incorrect crimping of terminations, wrong wiring spec etc.
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Old 07-01-2011, 04:22 PM
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Out of interest, how much are these looms to buy?
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Old 07-01-2011, 04:26 PM
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Originally Posted by Martin-Hadland
This loom and the previous one was made by Ryan, the look looks pucka BUT heatshrink is used on the connectors not rubber boots so this needs cutting off to have a look at the crimps.
Out of interest why didn't you just call him if you have had the same problem before ?

I know Ryan and I'm sure if its a loom of his he would of offered to sort it.
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Old 07-01-2011, 04:29 PM
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Originally Posted by Martin-Hadland
This loom and the previous one was made by Ryan, the look looks pucka BUT heatshrink is used on the connectors not rubber boots so this needs cutting off to have a look at the crimps.
Could it be a case of damage whilst fitting, if people have been pulling on the loom?
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Old 07-01-2011, 04:37 PM
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Hmmm odd post this
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Old 07-01-2011, 04:40 PM
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got one of spots engine harnesses on mine


top notch


hope his not making any this afternoon as he has had a few to many ale's
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Old 07-01-2011, 04:43 PM
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Originally Posted by RWD_cossie_wil
Depends.... Older looms suffer from contamination, work hardening of the wires as they move, corrosion, all leading to open circuits or high resistances. The looms can also suffer from a breakdown of insulation or sheilding allowing short circuits or elecromagnetic interferance to disrupt signals.

New looms can suffer from all of the above, plus incorrect crimping of terminations, wrong wiring spec etc.
Thanks for that info.I thought it was something to do with that.
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Old 07-01-2011, 04:53 PM
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Originally Posted by charlie luciano
bad workmanship? crap products/materials?


Luciano




your old loom was a work of art when you stage 3
looked so clean and well put together
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Old 07-01-2011, 04:58 PM
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Go with cw looms. Top guys.
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Old 07-01-2011, 04:59 PM
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Originally Posted by JonnyBravo
Out of interest why didn't you just call him if you have had the same problem before ?

I know Ryan and I'm sure if its a loom of his he would of offered to sort it.
Sort it in what way though?

Do the 2 mins of simple work to rectify the loom that Martin can easily do himself, or pay for the multiple hours diagnosis and rolling road time while he worked out what the problem is?
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Old 07-01-2011, 05:06 PM
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Originally Posted by JonnyBravo
Out of interest why didn't you just call him if you have had the same problem before ?

I know Ryan and I'm sure if its a loom of his he would of offered to sort it.
I know Ryan too and he's a nice guy but I'm properly annoyed about the amount of time the diagnosis can take and then having to trim the labour down to strike a reasonable balance for the customer.
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Old 07-01-2011, 05:08 PM
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Originally Posted by Chip
Sort it in what way though?

Do the 2 mins of simple work to rectify the loom that Martin can easily do himself, or pay for the multiple hours diagnosis and rolling road time while he worked out what the problem is?

If he has had the problem before with one of Ryans looms I'm suprised he didn't just chuck another loom on it to rule that out, spending hours diagnosing something you are already aware has had problems for you in the past is a very arse about face way of doing things IMO

Saying that a loom swap isn't a 5 min job which I appreciate but still if that had of been me and I had a loom there I'd of tried it before looking into other things

No one is perfect and I think Ryan has done more than enough work to prove he is more than capable of doing his job well, sometimes things don't go right and maybe calling him would of been a more sensible choice than coming on here moaning about it which has clearly got a few people concerned about the quality of his work.

For reference I know someone who uses Ryans looms without issues, he has done a few for me which have always worked perfectly and no doubt many people on here will say the same.

Last edited by JonnyBravo; 07-01-2011 at 05:10 PM.
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