Alfa Romeo Forum banner

Upgrades to my 156 GTA....Advice needed

1097 13
Hi all,
I have had my black 2004, 156 GTA for 4 years now (total 120,000 miles) and was thinking of doing a few upgrades. Please excuse me for asking the same questions that have been covered before, but I wanted a more up-to-date view on what to do/not do.
Currently the car has 330's, Supersprint cat back, Q2 and standard/rebuilt suspension on standard GTA teledial wheels.
I am looking at changing the stance of the car, and adding a bit more oopmpf.

What's the view on spacers?
Lowering springs? (I live in Central London, so lots of speed bumps).
18" wheels? (Always like the jetfin)

What about an induction kit? (I am not keen to remove the cats, or a supercharger, or a 3.8 conversion!)
Remapping?
Skimmed head with profiled cams?
Thanks in advance!
1 - 14 of 14 Posts

·
Registered
Joined
·
300 Posts
Induction kit, cams, skim, remap wil not give much extra oompf. Everything combined will give some extra.

Height adjustable sport suspension will be an idea: firmer ride and possibility to go a bit heigher when you get in touch with the road too often..
 

·
Administrator
Joined
·
49,726 Posts
GTA teledials are amongst the best alloy wheels every created. I can understand the temptation to fill the arches more, but you surely can't move away from them.
 

·
Vendor
Joined
·
48,827 Posts
KW V1s will give you the ride height and stance you're looking for without much in the way of comfort loss, especially vs just throwing on a set of Eibachs.

18" look great, but expect to knock a bit off ride and arguably handling.

I can't stand the way spacers make the steering feel, so they are a no-no for me. But I have customers who have spacers on and don't notice the difference.
 

·
Vendor
Joined
·
48,827 Posts
I don't think there's much to be had from doing anything on the intake side in terms of filters etc. More noise yes, but actual top end power, probably not so much. Remap may help, but with the manifold cats in place you're always going to be limited by heat.

At 120,000 miles if the engine has never had a refresh, it's more than likely going to be at least a little bit worn. I'd be tempted to do a compression test to see where you're at. Ideally 180-200 psi across the board.
 

·
Registered
Joined
·
300 Posts
One last question (for now). Car has only done 5,000 miles since belt change, but that was in September 2018. Change now?
I think it is not really needed. But well the advice from AR is 3 years (to get you to the mechanic AND avoid warranty issues of course).

Mine on the V6TB I did 5years ago, 8k miles on it now. And I have another car I did 12years ago which has done 40k miles now. And had some other cars with old belts and many miles.

Also: working on the timing belt can introduce faults and causes of a broken belt. Even specialists can make mistakes.
 

·
Registered
Joined
·
54 Posts
Discussion Starter · #10 ·
I've done a bit or research, and some calling around and have another question!
Just spoke to Jano at Autodelta and I quite fancy the induction kit and remap, but after discussing my belts he suggested we do the Autodelta Cam tweak, which adds another 5bhp. Anyone have this done?
 

·
Registered
Joined
·
300 Posts
I've done a bit or research, and some calling around and have another question!
Just spoke to Jano at Autodelta and I quite fancy the induction kit and remap, but after discussing my belts he suggested we do the Autodelta Cam tweak, which adds another 5bhp. Anyone have this done?
Just timing the cams a bit differently... General speakin you can expect for this case you gain some hp (@Top end, maybe used 0,1% of driving time) and you give some in other areas (driveability 99,9% of driving time).
 
1 - 14 of 14 Posts
Top