Engine Specific Info and Questions > mTDI Mechanical TDI Conversions
Which IP is better? 2.8TDI or 2.8iDTD / choosed 200tdi
Kamikaze:
Hello there, i need your advice guys. I can't find LR / LT pump in our country for good price and i am looking now for IP from 2.8 Ducato but i don't know if i should go to TDI or iDTD variant. Both looks like DI pump and both have mechanical throttle.
Which one is better for Plug&play in to AFN engine? I have 764nozzles in this engine. I have already ready hub/pulley from golf MK4 but i think it would be useless with these 12mm pumps.
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--- Quote from: libbydiesel on July 25, 2017, 06:46:51 pm ---Stock nozzles with a new 12mm pump can result in the plunger seizing.
--- End quote ---
Are 764(0.216) nozzles big enought for avoiding seizing or can i lower fuel enrichment for avoiding seizing? I know 12mm is a little bit overkill but it's a lot cheaper like 300/200TDI or Croma pumps. I am aiming at 70-100kw. I have K14 wg-turbo with large intercooler.
Now i have AAZ body with AFN guts and it feels like 35Kw so i am looking for improvement.
EDIT: Some minor changes.
Sorry for bad english.
Kamikaze:
Or would be better IP like 0460414120 / 0460414128? But these are with price close to 300TDI and have spring instead of governor - can i use my AAZ governor on 2.5TDI-ducato pump instead of spring?
Kamikaze:
--- Quote from: Kamikaze on February 10, 2018, 03:41:32 am ---Can i use my AAZ governor on 2.5TDI-ducato pump instead of spring?
--- End quote ---
I am going answer one question by myself. It looks like AAZ governor have a lot shorter arm like governor from 2.5 IP so it wouldn't be good idea.
libbydiesel:
--- Quote from: Kamikaze on February 09, 2018, 12:01:54 pm ---Hello there, i need your advice guys. I can't find LR / LT pump in our country for good price and i am looking now for IP from 2.8 Ducato but i don't know if i should go to TDI or iDTD variant. Both looks like DI pump and both have mechanical throttle.
Which one is better for Plug&play in to AFN engine? I have 764nozzles in this engine. I have already ready hub/sprocket from golf MK4 but i think it would be useless with these 12mm pumps.
-----
--- Quote from: libbydiesel on July 25, 2017, 06:46:51 pm ---Stock nozzles with a new 12mm pump can result in the plunger seizing.
--- End quote ---
Are 764(0.216) nozzles big enought for avoiding seizing or can i lower fuel enrichment for avoiding seizing? I know 12mm is a little bit overkill but it's a lot cheaper like 300/200TDI or Croma pumps. I am aiming at 70-100kw. I have K14 wg-turbo with large intercooler.
Now i have AAZ body with AFN guts and it feels like 35Kw so i am looking for improvement.
EDIT: Some minor changes.
Sorry for bad english.
--- End quote ---
I'm not familiar with either Ducato pump. From looking at pics, it would appear that they have the larger shaft diameter but shorter snout. The combination means that there is not any stock sprocket that will work with them (like the Cummins 4BTA). You could use the AAZ capsule, but would need to pull the rivet and fasten to the shaft shown in order to achieve the better offset. Depending on the LDA setup this might result in interference.
The single-spring governor setup will work if you use an appropriate spring. If I had to guess from the pic, it looks like the rpms would be very limited with that single spring.
The other item of concern is the timing advance curve. It needs to be close to the VW one. The LR300 pump and the LT28 pumps are both fine in that regard. I have no idea about the Ducato.
Kamikaze:
Thank you for a reply!
By "Snout" you mean this collars in circles? I have both pulley for long and short snout, but can i use pulley from 17mm shaft on 20mm? Or is cone on shaft different? I also have pulley for RL pump but i don't have sprocket. It seems like ALH/RL pump have bigger diameter of snout.
Somewhere on this forum i saw topic where guy said about Iveco/ducato pump but i can't find it now.
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