Ugly 4C Engine - Page 2 - Alfa Romeo Bulletin Board & Forums
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post #16 of 30 (permalink) Old 03-20-2019, 09:55 AM
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"NAFTA" model 4C refers to the North American variant of the car.
Alfa in the US and Canada have used this term since the beginning.
Interesting that the engine is marked that way - the ECU has some differences, so perhaps that's related.
Or because of smog regulations in some states.

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post #17 of 30 (permalink) Old 03-20-2019, 04:21 PM
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I was a kid and lived there, Nafta, is Diesel. it was named that and still is.
It really is a tradition, as in France it is still called Gazole, go figure


In the 50's, 60's, cars (Italy) were Gasoline, only a few oddball autos from the frozen North used Diesel.
Trucks used Nafta, we used Nafta in winter for the boiler room, low quality as available, a truck would show up
with a huge tank and deliver it for the building, or house.
Trucks were not particularly picky with fuel at the times, noisy and smoky.

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post #18 of 30 (permalink) Old 03-21-2019, 07:22 AM
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Cutaway engine. 4C engine based on the European Giulietta QV Version.
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post #19 of 30 (permalink) Old 03-21-2019, 09:49 AM
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Originally Posted by Gabor K. View Post
Cutaway engine. 4C engine based on the European Giulietta QV Version.
Sleeved (not sure if the Giulietta QV one is). Otherwise yes.
It's been pretty robust / bullet proof (touch wood) so far, as well.

Would have been nicer to have a pretty engine for such a pretty car. But you cannot have everything, and for the price point I'd rather have everything else the 4C offers, than sacrifice any of it for an attractive engine bay!
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post #20 of 30 (permalink) Old 03-28-2019, 08:30 PM
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Well nobody’s ever gonna make a coffee table out of a used 4C engine that’s for sure.
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post #21 of 30 (permalink) Old 05-12-2019, 03:38 PM
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It is my understanding that NAFTA does not mean diesel. From what I know, diesel in Italian is not called NAFTA but rather naphtha. So not sure the NAFTA sticker means anything.
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post #22 of 30 (permalink) Old 05-12-2019, 07:12 PM
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Sleeved (not sure if the Giulietta QV one is). Otherwise yes.
It's been pretty robust / bullet proof (touch wood) so far, as well.

Would have been nicer to have a pretty engine for such a pretty car. But you cannot have everything, and for the price point I'd rather have everything else the 4C offers, than sacrifice any of it for an attractive engine bay!
Pretty sure it’s the same, I drive a Giulietta QV albeit the earlier one (6spd manual) with the iron block/alloy head, they moved to the same 4C aluminium block in ‘15 when they deleted the manual transmission. Otherwise the engines are identical. The 4c seems to be the same package according to EPER.

In my opinion this engine is the best 4cyl that Alfa has made in the last forever years.. it really is that good, the last engine/car that made me smile so much with its willingness and fizz was a the twin Weber 1.5 fiat four in my SudSprint

I can’t think of a thing to replace my current QV with, perhaps the later model or a 4C. Ironically, I would prefer the TCT transmission. I’m sure the original manual (in my car) could be fitted to a 4c, you’d just need to figure out the linkages and clutch pedal.

NAFTA is what Alfa calls the US market, it’s listed in their webpage.
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post #23 of 30 (permalink) Old 05-12-2019, 07:27 PM
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Quote:
Originally Posted by mooselise View Post
It is my understanding that NAFTA does not mean diesel. From what I know, diesel in Italian is not called NAFTA but rather naphtha. So not sure the NAFTA sticker means anything.
Guys - NAFTA = North American Free Trade Agreement.

But in this usage it's a generic term that automakers have adopted to denote a vehicle or components destined for the North American market.

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post #24 of 30 (permalink) Old 05-13-2019, 12:45 AM
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post #25 of 30 (permalink) Old 05-13-2019, 08:12 AM
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Yep it's pretty ugly when you remove the tupperware engine cover. Just coil packs and plastic plumbing to look at. Affliction of all modern cars unfortunately.
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post #26 of 30 (permalink) Old 05-31-2019, 08:54 PM
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Actually the engine got better treatment aesthetically when it was used as a base for the European Fiat 124 Rally car (not a road car) in which it develops 300hp instead of 230 in the Alfa 4c where they have given the engine front an alloy casing with the words "ABARTH 1800 BIALBERO" instead of the black plastic front in the 4c. I attach a link to an article I found saying this 124 rally car has the best engine bay, I am assuming aesthetically and it is the same engine (with the alloy casing and more developed) as the Alfa 4c

https://jalopnik.com/the-abarth-124-...eva-1762275563
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post #27 of 30 (permalink) Old 05-31-2019, 10:41 PM
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I suspect it’s just painted black plastic, not cast aluminium

That said... it shows the engine can be mounted longitudinally, dry sump it and whack it in a 105 chassis with the MX5 6speed g’box. Lovely

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post #28 of 30 (permalink) Old 06-01-2019, 03:22 AM
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Craig_m67 the 105 chassis is way too soft in my humble opinion and the mx5 gearbox just about handles the torque of the standard car and is not designed for more torque which is why FCA's fiat/abarth 124 spider has the previous generation mx5 box which itself I do not think could handle the torque of the "bialbero".
I do not know why FCA do not just offer a roadgoing version of the rally car in the current Abarth 124 spider and use that engine also in Alfa Romeo cars, longitudinally for future versions. I probably answered my own question above because there is not a manual gearbox readily available for it and FCA do not see value in investing in one, excepting the abarth biposto 695 with the dogleg manual box which they did allow to be made for some reason, though at a very high cost!
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post #29 of 30 (permalink) Old 06-02-2019, 07:50 AM
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And they are retiring the 1750...
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post #30 of 30 (permalink) Old 06-02-2019, 05:43 PM
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Originally Posted by alfettapb View Post
Craig_m67 the 105 chassis is way too soft in my humble opinion and the mx5 gearbox just about handles the torque of the standard car and is not designed for more torque which is why FCA's fiat/abarth 124 spider has the previous generation mx5 box which itself I do not think could handle the torque of the "bialbero".
I do not know why FCA do not just offer a roadgoing version of the rally car in the current Abarth 124 spider and use that engine also in Alfa Romeo cars, longitudinally for future versions. I probably answered my own question above because there is not a manual gearbox readily available for it and FCA do not see value in investing in one, excepting the abarth biposto 695 with the dogleg manual box which they did allow to be made for some reason, though at a very high cost!
Lots of good info, thanks. I agree..... although the Giulietta QV version (lots of wrecked ones here) would be a hoot. I drive this car daily, just love it.

Do you know which MX5 gearbox FIAT uses for the 1.4version?

I’m quite interested to play with with the humble version (sans multiair) in a 105 chassis, although I imagine there is a specific bellhousing required. The spiders are thin on the ground here, but I could be tempted to import that from the US or a market that had them in any numbers

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