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"chipping" A Diesel Engine.


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I've got a 1.7dti astra van which I had remapped a couple of months ago. Used to drive nice, not very quick but not terribly sluggish.. Now it drives like a bag of shite.. Two huge flat spots in the r

pump your tyres up more, take it out of gear for down hill and get your head behind the steering wheel with your elbows tucked in

Made a big differance to my defender td5. But I had egr blanked off and bypassed the cat with straight through pipe!!   Goes well, sounds great and returns about 35ish mpg.

I've got a 1.7dti astra van which I had remapped a couple of months ago. Used to drive nice, not very quick but not terribly sluggish.. Now it drives like a bag of shite.. Two huge flat spots in the rev range, it is certainly faster and pulls a bit better, then you hit the flat spot, feels like the engine cuts out.. Took it back to the garage that remapped it and they said there must be a problem with the motor and the remap has exaggerated the problem.. I don't know but I wish I hadn't bothered now..

 

If you want a faster or more economical motor buy a faster or more economical motor would be my advice.. If you want it to be a bit faster you will probably drive it a bit faster once it's done, more stress on everything from the clutch and gearbox to the brakes and tyres? I'm not a mechanic just my thoughts..

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I doubt I'll go for it. I just wondered how it could improve power and mpg. No free lunches in this world.

 

 

pump your tyres up more, take it out of gear for down hill and get your head behind the steering wheel with your elbows tucked in :laugh:

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Made a big differance to my defender td5. But I had egr blanked off and bypassed the cat with straight through pipe!!

 

Goes well, sounds great and returns about 35ish mpg.

had exact same on my dico td5. Runs sweet as a nut, alot more power and mpg improvement. 250 quid. Worth it but depends on your engine. Some dont take too well to it.
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I had a diesel Range Rover, it made a huge difference to power, and it upped my mpg by about 6mpg, I didn't buy it, it came fitted, but when I had injector pump problems I took it off just in case, aft fixing the pump I refitted it after a few months a noticed the difference, yes, I would have one again, but I would research the motor and chip first as I have heard not all of them give good results

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What motor you got walshie?

 

MPG is increased because in theory you don't have to rev the engine as high as before to cover the same distance in the same time - because it is now more powerful. If that makes sense?

 

But you tend to drive it harder, because it drives better, and therefore mpg is reduced.

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