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| New injectors; 'results' | |
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| Tweet Topic Started: Wed Jun 9, 2010 8:55 pm (1,441 Views) | |
| Johnboy Mac | Wed Jun 9, 2010 8:55 pm Post #1 |
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More than part of things
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Guys as some of you maybe aware I replaced my injectors, injector housings, O rings and insulator seals. After around trip of 400 miles the fuel economy has increased by nearly 3mpg, tank brimmed and brimmed again, same trip I do on a regular basis and same time of day. The throttle reponse has improved & I'd say power has improved especially above 3000rpm. Also flat spot at 2200rpm has gone. Well worth doing considering since the old injectors only had 70k miles on them. Edited by Johnboy Mac, Wed Jun 9, 2010 8:57 pm.
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| stuu | Thu Jun 10, 2010 2:47 pm Post #2 |
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Part of things
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I got my injectors changed and the o rings. Unfortunately I got no difference in economy, power Count yourself lucky John
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| balamb37 | Thu Jun 10, 2010 2:53 pm Post #3 |
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Grumpy Old Grampa with Dog
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If no improvement in Eco. and performance then your old ones were Ok and probably just needed cleaning, But if they are worn and not functioning correctly you would notice a difference
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| kentronix | Thu Jun 10, 2010 2:54 pm Post #4 |
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I'm only really here for the Kitchens
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I did mine a while back and it definitely sounded smoother and had slight power increase up in the top of the range. Obviously it all depends how worn they are in the first place ![]() I try not to pay any attention to the mpg I get from it ![]() I didnt do the O rings, literally just the injectors. Edited by kentronix, Thu Jun 10, 2010 2:55 pm.
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| balamb37 | Thu Jun 10, 2010 3:10 pm Post #5 |
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Grumpy Old Grampa with Dog
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With a three liter I would think you are blind to MPG Kenny But if you've got IT then you can spend It But then saving on a few 'O' rings
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| kentronix | Thu Jun 10, 2010 3:19 pm Post #6 |
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I'm only really here for the Kitchens
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I run it til the tank is empty and then run the veg wagon until thats empty. By then I can afford to fill it again
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| balamb37 | Thu Jun 10, 2010 3:29 pm Post #7 |
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Grumpy Old Grampa with Dog
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I bet to feed that 'veg wagon' of yours you only eat deep fried chips For breakfast, dinner, tea and supper
Edited by balamb37, Thu Jun 10, 2010 3:30 pm.
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| Johnboy Mac | Thu Jun 10, 2010 6:09 pm Post #8 |
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More than part of things
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Stuu, the injectors on their own may not have been the only reason for the engines improved running as I found all the injector seals well past their sell by date and they may have even been the originals as I've no invoice/record of the seals being purchased when the previous owner got the injectors replaced, only an invoice for injectors. So maybe my 70,000 mile injectors (I believe M-B recommend their replaced @ 60k miles) were not too bad but the most important thing is the engine is running better with better mpg (30 now instead of 27) and won't be attending to this job again for a few years. Edited by Johnboy Mac, Thu Jun 10, 2010 6:32 pm.
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| rhysmangatmotorsport | Thu Jun 10, 2010 7:32 pm Post #9 |
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Mangatmotorsport
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well worth doing, did mine last Jan ans same as johnboy I changed all the seals as well. My valver has lost the dreaded rattle they all have... |
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| stwat | Thu Jun 10, 2010 7:55 pm Post #10 |
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I noticed a big difference when i changed them in the 2.6. Virtually the same improvements as you Jhonboy especially the flat spot. The 2.3-16 did feel better and did improve mpg slightly. But the original injectors didn't look that old so the improvement wasn't as pronounced. |
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| Toff190 | Thu Jun 10, 2010 8:45 pm Post #11 |
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190 Mob Member and a Wise Guy.
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Thats something iv never thought of doing. How much are new injectors. |
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| MadMike | Thu Jun 10, 2010 8:49 pm Post #12 |
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Therapy Needed
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There was a batch of cheap ones which came up on E bay a while ago. I think a few members got some at a reduced price. I was going to but left it a little late........... Edited by MadMike, Thu Jun 10, 2010 8:51 pm.
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| Marv | Thu Jun 10, 2010 8:57 pm Post #13 |
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Evo II Wheel
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Changed mine on both the 2.5-16 and the 2.6 and replaced all the rubbers both times. Have to say did'mt notice any difference on the 2.6 and maybe a slight performance difference to the 2.5-16. |
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| Toff190 | Thu Jun 10, 2010 8:59 pm Post #14 |
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190 Mob Member and a Wise Guy.
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How much? |
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| Marv | Thu Jun 10, 2010 9:03 pm Post #15 |
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Evo II Wheel
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How much what difference?? Seems to pull abit harder now. |
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| stwat | Thu Jun 10, 2010 9:06 pm Post #16 |
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Mine were £25 each. Il try and find the ebay seller for you as he always seems to have them up for sale. |
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| Toff190 | Thu Jun 10, 2010 9:10 pm Post #17 |
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190 Mob Member and a Wise Guy.
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Dont think i need mine replacing, but how would i know if i did? |
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| Johnboy Mac | Thu Jun 10, 2010 9:18 pm Post #18 |
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More than part of things
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I tried looking for those on ebay early last month but no joy. Ended up getting them from the States. |
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| Nathan | Thu Jun 10, 2010 9:34 pm Post #19 |
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Nordschleife Taxi
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What is your mileage? If it's over 55,000 I would change them. |
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| stwat | Thu Jun 10, 2010 9:42 pm Post #20 |
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Indeed mate. The seller doesn't seem to have any left. In fact i cant find any at all. |
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| m6luvva | Mon Jun 14, 2010 11:07 am Post #21 |
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Newbie
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Hi there, found a source for injectors. The question I have is where does one obtain (a) The 'O' rings, (b) the seals and (c) the housings? Thanks, Chris |
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| jeremy | Mon Jun 14, 2010 11:22 am Post #22 |
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Too Far Gone To Help
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Chris , if you've not changed your injectors , then it is very worthwhile . it makes a noticeable diffrerence. About £20 ea , and about an hour to do all 6 . Jeremy Edited by jeremy, Mon Jun 14, 2010 11:23 am.
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| kentronix | Mon Jun 14, 2010 11:36 am Post #23 |
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I'm only really here for the Kitchens
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I may be wrong but I think they are back on ebay, I think someone posted about it ? |
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| Johnboy Mac | Mon Jun 14, 2010 1:21 pm Post #24 |
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More than part of things
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You can get them all from the main dealer, not expensive. M-B housings come with the 'o' rings fitted. |
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