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Discussion Starter · #1 ·
Hi

We are expecting our first baby in May and I've been told that the GTV (2.0 TS) has to go. So I thought great 2.5 V6 156 but petrol prices are making that look like a very expensive option and I've seen lots of good stuff about Alfa diesels and thought I'd do some research. The first questions I have are:

1 - What variants of the 2.4 engine are there?
2 - Are they all available in all trim levels of the saloon and the SW?
3 - Is there any significant difference in fuel consumption between
the saloon and SW for each variant?

Hope this makes sense. Any additional advice or info on this subject gratefully received.

:)
 

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The 10v versions have mechanical tappets with shims that need servicing & adjusting.
The 20v versions have hydraulic tappets which don't need servicing.

So if you can stretch to it, go for a 20v.


As for MPG, there won't be much, if any, difference between saloon & Sportwagon.
 

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The 2.4 JTD is a great engine, pretty bulletproof, and no real horror stories. Mine does 43mpg on average, more on a run. They were 136bhp up to 2001, 140bhp from 2001 to 2002, and 150 after that - from the 140 engine, they were Euro4 emmission compliant, so cheap road tax (I think I pay £165). That's the 10v engines. The 20v engine from 2004 has 175bhp as standard, and over 210 if remapped :)

My advice would be to go for a Veloce, which has the leather, or a later equivalent. Nice other goodies too, side skirts, etc.

It depends what you budget is really - as new as possible is always best!
 

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as paddy, great engine, get the veloce, get the 175bhp 20V if you can afford if, the 1.9 140bhp isn't bad either, the old 2.4 10valves are cheap low budget (although still very good) now.

Heres a couple going to auction with guide prices, facelift too...

ALFA ROMEO 156 2.4 JTD 20V M/JET LUSSO Saloon, BLUE, 4 Doors, Manual Transmission, Diesel, 100594 Miles, VAT Qualifying.
RY54YUO Registered 20-01-2005
BCA Bedford-New Site 21-01-2008
Cln: £4475
Avg: £4100
Blw: £3700
Trd: £5075

ALFA ROMEO 156 2.4 JTD 20V M/JET VELOCE Saloon, BLACK, 4 Doors, Manual Transmission, Diesel, 131739 Miles, Margin.
YG04FVS Registered 24-03-2004
BCA Brighouse 07-01-2008
Service History * - 7 stamps to 113k last service 14/05/07
Cln: £3200
Avg: £2750
Blw: £2300
Trd: £4075
 

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Discussion Starter · #5 ·
Thanks for that think I will concentrate on the 20V.

How does a re-map effect the fuel consumption and do you always need to upgrade the clutch? What kind of cost will this entail and is it worth it?:confused:
 

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Thanks for that think I will concentrate on the 20V.

How does a re-map effect the fuel consumption and do you always need to upgrade the clutch? What kind of cost will this entail and is it worth it?:confused:
A remap alone should not effect fuel cons, some even claim better MPG, but if you use the power that the remap gives you then of course it will not be as economical.

There is only one place to go for a remap, that is RED DOT.

The 20V revs to 5k and is the nearest diesel to a petrol in terms of revving, so you should get excellent BHP gains.
Check here for tuning the 140 to 202bhp . . . http://www.alfaowner.com/Forum/tuning-and-upgrades/94097-2-4-jtd-fmic-project-tips-2.html

I am only guessing, but I should think the 175bhp could be good for 225-250bhp? with similar mods to above.

The standard clutch should handle up to 200bhp, its the torqu that kills them, mine is running 313lb/ft at the wheels, but doesn't slip noticably although after a good caining something smells - so I doubt it will last long.

If your going for a mild chipping session, stick with the standard clutch, if your screaming for POWER, then put in an uprated or paddle clutch.
Problem with tuning diesels is; you get huge power increases for not a huge amount of work - see the link above.
 
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