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[maracus]

Hi peeps im thinking of going for a corsa 1.3 cdti as a supercheap runaround, an 'earlier' one is 70 odd horse and a 'newer' one is the 90bhp version but I can't decide what to go for... Earlier one for £30 a year road tax and claimed 64mpg combined, or the later more powerful version for newness and the extra mappable potential.
As the older one weighs less by 100 odd kilos and the later engine is more powerful, I was wondering what needs to be changed on the older engine to bring it up to the newer spec?

So far I have established that the later one has a variable vane turbo hence better power but is that all that's different?

I've came across claims that the 70bhp version is mappable up to around the 100bhp Mark but the later ones can see up to 125 bhp and the respective associated torque, I was thinking surely I could spec up the earlier less powerful one to the 90 spec and THEN get it mapped up?

Result= the lighter car with the more powerful engine and only £30 a year road tax 

Can anyone shed some light??

[Del Boy]

90/95 BHP model has a 6 speed box, it's in my opinion much better than the 70/75 bhp engines which are five speed. My dad has a 2011 Corsa SE EcoFlex 1.3 CDTi 75, good on fuel etc, but even he stands by the 95 he had on loan for 3 days, was not only a lot quicker, but also better on fuel.

[maracus]

90/95 BHP model has a 6 speed box, it's in my opinion much better than the 70/75 bhp engines which are five speed. My dad has a 2011 Corsa SE EcoFlex 1.3 CDTi 75, good on fuel etc, but even he stands by the 95 he had on load for 3 days, was not only a lot quicker, but also better on fuel.

See I was thinking that if this spec engine was in the earlier lighter corsa it would respond very well to a remap... So what's needed to get the earlier engine to the newer spec? Is it a case of simply swapping say turbo and intercooler over? WILL they fit the earlier version?

Or are the two 1.3's completely different engines altogether?

[ninjapirate]

I thought they were the same engine, being fiat engines iirc and the same as what i had in my 04 punto with 75bhp (there was as rarer 90hp version) mine was remapped and responded well, i took it from 16k miles to 120k miles in 2 years driving it flat out mostly all the time.
the corsa i drove with that engine must of been a 75 as it only had 5 speeds? went nice enough tho

[maracus]

From what I can tell, the 06 ish shape corsas were all 70/75 bhp, and the newer ones (07 onwards??) are available in 70/75 or the 90 bhp version which from what I know so far is the same block at least but with a variable vane turbo and whatever else is different between the two. I figure the best way for me to go would be fit the parts from a 90 bhp engine to the earlier corsa, so the car would have the best power/weight ratio (or torque before anyone points out it's torque you get with a diesel... Yes, I know, but torque/weight ratio don't make sense to me  ) especially after a remap!

A good idea or a complete no-go??

[ninjapirate]

just wondering where the extra 100kgs come from, is that just the engine weight? id go that way if its poss, £30 a year tax is nice!  punto went well enough after remap for a 1256cc car lol

[maracus]

It's old shape vs new shape I guess... New cars get bigger and heavier an all that...

[ninjapirate]

ah lol i was having a 'moment' i see what you mean now between buying newer or older shape 'face-palm. If you want super cheap go for earlier, prob cheaper to buy, tax, run, then remap that. i know its a differant car, but i totaly abused my punto, never washed it, the carpet looked like my gravel drive but maybe after a festival, done stupid amounts of miles loaded up with gear or ppl pr ppl and gear and refused to die, it had a couple issues come the end but i still managed to trade it in lol i think it still even had bits of dear handing out the front bumper! ive been considering an older corsa as a run around/shoppin trolley.