SDi injectors - Information for prospective purchasers - Page 5 - MG-Rover.org Forums
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post #81 of 347 (permalink) Old 28-07-2010, 12:29
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Quote:
Originally Posted by Karlos td View Post
Hey guys, i'm new to the forum, it's a good source for info; love it. Was gona buy a new maf, bit becausE of this source of info I'll be buying a mafam!


Question: do the Sdi injectors need to be programed in, or is it a straight forward job?

I phoned a td mechanic near me lookin injectors, but he was askin for part numbers for the injectors some are different than others, then he mentioned Bosch or some other brand.

He also asked why I would b puttin in a lower pressure injector and that te spray pattern would be differentz.

Any help with injector numbers or details would b very much appreciated so I can buy sone of these badboys.

P.s this guy works on diesels only and he stocksnew and 2nd hand injectors and pumps
Don't worry too much about it, everything is ok. Just go to the scrapyard, retreive the injectors from any rover non-intercooled diesel (220D etc) or any sdi (220/430/620sdi) and replace your own set with them. No programming needed.

Do not worry about part numbers or spray patterns.
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post #82 of 347 (permalink) Old 28-07-2010, 12:31
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They are bosch injectors, they are lower pressure, and they do have a different spray pattern - but this doesn't effect the running in a bad way

It's a straightforward swap, you just swap them out with new sealing washers, and away you go (might take a bit to get it started as you'll introduce some air into the fuel system). I don't have the part numbers for the SDI injectors to hand, but it's the 200 bar (i think) ones you want, which is stamped on the side of the injectors.
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post #83 of 347 (permalink) Old 28-07-2010, 13:44
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Yep 200 bar injectors, straight swap and let it chug the first time you start it after putting the injectors in, this will get rid of the air and it should eventually start.

It will be like a completely different car when you have done it!!
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post #84 of 347 (permalink) Old 29-07-2010, 16:04
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Cheers guys. Now I better get back to taking the fuel pump out to do the last bloody glow plug. What a stupid design! Haha
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post #85 of 347 (permalink) Old 30-07-2010, 18:00
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Don't bother. The car will run happily on 3 plugs, indeed many engines only come with 3 plugs.
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post #86 of 347 (permalink) Old 02-08-2010, 13:53
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Can anyone confirm their mpg before and after fitting these injectors?

Regards

Stéphane
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post #87 of 347 (permalink) Old 10-08-2010, 12:57
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Bump bump....
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post #88 of 347 (permalink) Old 10-08-2010, 16:43
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No need to "Bump bump", the thread is a sticky so always at the top...
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post #89 of 347 (permalink) Old 10-08-2010, 16:49
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So what do you think Radion_auto?

If you haven't done a trip by trip analysis of the MPG differences between stock injectors and sdi's - taking into account distance, speed, acceleration, humidity of both air and fuel then I'm a clownfish.

What do you think of them?
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post #90 of 347 (permalink) Old 10-08-2010, 16:50
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Originally Posted by steph30 View Post
Can anyone confirm their mpg before and after fitting these injectors?

Regards

Stéphane
Same if you drive the same.
With more power you will of course get increased consumption. But it all depends how heavy your foot is
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post #91 of 347 (permalink) Old 10-08-2010, 16:54
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So what do you think Radion_auto?

If you haven't done a trip by trip analysis of the MPG differences between stock injectors and sdi's - taking into account distance, speed, acceleration, humidity of both air and fuel then I'm a clownfish.

What do you think of them?
You know me too well!

On a run there is very little difference between standard injectors and SDI's. The increased fueling (pre-remap) seems to hit the urban cycle much harder, I would estimate about a 4mpg difference with a lot of town driving, assuming the same driving style.

Although i'm not got to this stage yet (Kris!), a remap is supposed to restore mpg to pre-injector swap levels.
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post #92 of 347 (permalink) Old 12-08-2010, 09:53
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You know me too well!

On a run there is very little difference between standard injectors and SDI's. The increased fueling (pre-remap) seems to hit the urban cycle much harder, I would estimate about a 4mpg difference with a lot of town driving, assuming the same driving style.

Although i'm not got to this stage yet (Kris!), a remap is supposed to restore mpg to pre-injector swap levels.

After making a conversion in liter per 100km (for France), 4mpg represents more or less an increase of 9% which is not nothing.
I will fit these SDI injector and tell you more about this mpg diffrence.
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post #93 of 347 (permalink) Old 12-08-2010, 11:17
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A power gain of approx 35% isn't nothing either

You always take an economy hit with a power increase, which is down to having more power, being tempted to use the power in more situations and a very slight tendency to overfuel slightly at certain aspects of the rev range.

Most people do however generally hold the opinion that the increased power holds more value, but there are some who prefer to stick with stock injectors, nothing wrong with that though then you're looking at a remap for better performance, and you'l still lose mpg when you use the loud pedal
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post #94 of 347 (permalink) Old 12-08-2010, 12:05
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hi guys,

thinking of tunning my 03 zr td, red 3 door that looks the part but just feels a little slow standard although dont get me wrong its very pully just sems a little flat,
just wondered how bad the smoke gets, is it a constant police pull or just the same as the older rover engines that the the sdi injectors come out of?

whats best remap or one of the diesel sports boxes on ebay not the £20 jobbies the £300 odd ones?

cheers
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post #95 of 347 (permalink) Old 12-08-2010, 12:11
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After making a conversion in liter per 100km (for France), 4mpg represents more or less an increase of 9% which is not nothing.
I will fit these SDI injector and tell you more about this mpg diffrence.
It depends what sort of MPG you currently get, and your driving style though. I have pretty much always gotten over 50mpg, infact even with the injectors i have averaged 55mpg this month.

On this basis, it would only be 2.2%, which is a low price to pay

As i mentioned above though, it hurts town driving far more than the "extra urban" cycle. The 4mpg difference i mentioned was 100% town driving.

All in all, i don't know of any modification that gets you more power for less pennies!
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post #96 of 347 (permalink) Old 12-08-2010, 12:12
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It depends what sort of MPG you currently get, and your driving style though. I have pretty much always gotten over 50mpg, infact even with the injectors i have averaged 55mpg this month.

On this basis, it would only be 2.2%, which is a low price to pay

As i mentioned above though, it hurts town driving far more than the "extra urban" cycle. The 4mpg difference i mentioned was 100% town driving.

All in all, i don't know of any modification that gets you more power for less pennies!
Wow, i never get above 50 really... i enjoy the loud pedal too much
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post #97 of 347 (permalink) Old 12-08-2010, 12:18
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Wow, i never get above 50 really... i enjoy the loud pedal too much
+1. I spend most of my time in the 40's.
Had 38mpg once... Was on a trackday though
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post #98 of 347 (permalink) Old 27-09-2010, 17:21
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Can't seem to find these anywhere... hard to come by?! I can buy new ones from ebay but they're £40 per injector.. a bit too steep for me!
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post #99 of 347 (permalink) Old 27-09-2010, 20:09
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I've usually got some, but as I'm not a supporter I can't sell stuff on here.
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post #100 of 347 (permalink) Old 27-09-2010, 22:02
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Mmmm, what a shame for sarie. I suppose sending ETV a PM would be out of the question then.
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