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alfa gtv 2.0 to v6

alfa gtv

Last edited by rob1964; 22-01-11 at 18:07.
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Anything is possible if you change enough parts over.
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possible, yes. worth it? no. for what it would cost you to do the job you may as well just sell your TS car and buy a V6 instead
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possible, yes. worth it? no. for what it would cost you to do the job you may as well just sell your TS car and buy a V6 instead
+1 to what this man said.
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If you're intent on keeping the ts a better bet would be to put in a turbo ... That way you get the speed of the v6 with the lightness if the ts
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and the mushyness of the TS bottom end...
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and the mushyness of the TS bottom end...
I forgot to add oil change ever 100 miles!!!
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a Fiat 5 pot turbo would be a better thing to fit
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a Fiat 5 pot turbo would be a better thing to fit
That's the same basic block as the 10v Diesel ... best bet would be to put one of those in ... and yes someone has already done it!!!
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I have seen the GTV diesel conversion and it went like stink by all accounts
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TS Bashing thread? I love the TS engines, just not as much as the V6.
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TS Bashing thread? I love the TS engines, just not as much as the V6.
I used to think 16V TS engines were great when they came out, however my views have changed somewhat recently.

I think they are underpowered (by modern standards), lacking in low rev torque, fragile and thirsty.

I have had a few now, but I don't think I will be having another unless it is in a 145QV
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got a 147 t spark which needs thrashing to get any performance out
wife has it and to be honest its great for her but once youve had a v6 nothing else comes close
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plus at 140,00 miles its on its second engine. a v6 would still be going strong
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You'd need to change the springs/dampers too if you put a heavy V6 in there

"That's the same basic block as the 10v Diesel ... best bet would be to put one of those in ... and yes someone has already done it!!! "

- Isn't the 2.4jtd even heavier than the V6 ?
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I would go down the Fiat 20v turbo route.

Easy to tune, sounds great an hardly uses more fuel than a TS in normal driving.

Also no silly dual mass flywheels, exploding diffs or fly by wire throttles to worry about.
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You'd need to change the springs/dampers too if you put a heavy V6 in there

"That's the same basic block as the 10v Diesel ... best bet would be to put one of those in ... and yes someone has already done it!!! "

- Isn't the 2.4jtd even heavier than the V6 ?
Nope the v6 is ever so slightly heavier iirc ... But tbh there isn't much in it
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Nope the v6 is ever so slightly heavier iirc ... But tbh there isn't much in it
I thought the 2.5 was 1320kg and the 2.4 was 1350kg.. But thats the cars, not the engines.

1997 Alfa Romeo 156 V6 car technical specifications from Carfolio.com - 4 door 2.5 litre (2492 cc) V6 189.6 PS, 6 speed manual

1997 Alfa Romeo 156 2.4 JTD car technical specifications from Carfolio.com - 4 door 2.4 litre (2387 cc) Inline 5 135.9 PS, 5 speed manual
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possibly it was the GTA that was slightly hevier then ... although 30kg is not really a massive difference (especially when the 10v with a remap is more powerful )
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possibly it was the GTA that was slightly hevier then ... although 30kg is not really a massive difference (especially when the 10v with a remap is more powerful )
GTA is a fair bit heavier in the stats, but partly cause everything that is an optional extra on a normal 156 is standard on the GTA, so gets weighed with the car. Plus the GTA leathers are considerably heavier than normal seats.

You can tell the difference in the weight of the front end from the JTD to the V6 I reckon, the V6 feels nimbler. Sometimes the JTD 10v with a remap is more powerful than a 2.5, looking forward to getting mine done. I still don't know if it would stick with a 2.5 V6 in a drag race cause of the gearing, but the JTD would feel quicker in day to day driving, even a well running non-remapped one like mine feels very quick.

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I think they are underpowered (by modern standards), lacking in low rev torque, fragile and thirsty.
Underpowered by modern standards? Not really, 150bhp from a normally aspirated 2.0 litre is still a reasonable benchmark. The point is that Alfa got there well ahead of the pack (with Honda). Most manufacturers have realised that 150bhp is the practical maximum for a mass produced 2.0L engine that has every day useability. Most have had to turn to turbos to take the step up to 200bhp (Alfa included and again Honda excepted). Finally in terms of BHP per litre the twinny is identical to the 3.0V6 if I am not mistaken.

Lacking in low rev torque - no point in denying it and kicking it down a gear smoothly needs some degree of skill as the clutch is so light, but you either delight in this aspect or you don't. Any half decent diesel these days will nail a V6 on torque though, so V6 owners should n't be too smug about this one.

Fragile - relatively yes, its not that they don't thrive on hard driving its just that owners don't warm them up or maintain them properly.
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GTA is a fair bit heavier in the stats, but partly cause everything that is an optional extra on a normal 156 is standard on the GTA, so gets weighed with the car. Plus the GTA leathers are considerably heavier than normal seats.

You can tell the difference in the weight of the front end from the JTD to the V6 I reckon, the V6 feels nimbler. Sometimes the JTD 10v with a remap is more powerful than a 2.5, looking forward to getting mine done. I still don't know if it would stick with a 2.5 V6 in a drag race cause of the gearing, but the JTD would feel quicker in day to day driving, even a well running non-remapped one like mine feels very quick.
It's probably all the turbo parafanailure at the front of the jtd that makes it feel a bit front heavy .. In a drag race tough I'd imagine the v6 would be much better in the lower gears (1st gear in the jtd is only useful for ploughing), but once in 3rd the jtd would really do it's stuff
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I'd love to have a drive of your car actually, before I get mine mapped, just to see how quick it is.. I'm tempted to do the intercooler first as well
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I'd love to have a drive of your car actually, before I get mine mapped, just to see how quick it is.. I'm tempted to do the intercooler first as well

Well I better get myself to the next tunnel run then ... alternatively I'm probably going to be up at Hemel Hempstead (for work) soonish so could pop up and give you a go
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Plus the GTA leathers are considerably heavier than normal seats.
Would ya go way there not at all. I have had 3 sets of seats in my 156 from standard cloth, to the leather with armrest all with airbags and now have a full GTA leather interior and there isn't much in different about 2kg per front seat due to the heating element and the electric motor nothing major.

There is a lad that has done this conversion but he had a crashed V6 from behind to get all the parts out of, the fuel tanks are different, the whole wiring loom had to changed he had to take the dash out etc said it was a big job to do.
 
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