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Old 17-07-2014   #31
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by maniac500 View Post
This topic needs more photos
You have a point. My bad, really. I always get caught up in the planning, buying stuff and working that I forget taking photos.

Will mend this once there'ssome real progress. Fitting Winter wheels isn't progress to me... getting the car cleaned up for a photo shoot would be! Too bad I' working throughout yet another weekend. Money's good, though.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 18-07-2014   #32
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Re: "Grey Matter" - finally back in a Sei!

Got to pay the bills
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Old 18-07-2014   #33
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Re: "Grey Matter" - finally back in a Sei!

Had a short yet inspiring conversation with a couple of colleagues at work, yesterday.

A few weeks back one of them mentioned I should consider fitting a set of throttle bodies. "It's not rocket science, you know!" was the overall theme.

Just for laughs I mentioned an extra inlet mani came with the car to which the other guy responded, "I have a set of 38mm throttle bodies with injectors I was going to throw in the bin. They're all fine but I won't need'em now I've gone turbo on my ol' Kadett."
Within five minutes the two blokes had decided it's an easy job to just stick them on with a bit of cutting, welding and rewiring a few bits just to see what'll happen. I wasn't really a part of the conversation - absolutely clueless TBH. That just makes it fun!

One's upgrading his Volvo 142 dragster with a Supra engine, working to push it beyond 600BHP. His ~440BHP B23-engine isn't good enough. As a part of his hobby a dyno became useful... so he built one.
I'm still reading up on the basics of 4-stroke tuning, so I can't really say that much. Just want it to work, lol!


Worst case scenario:

Stock ECU goes nuts with ITBs and I'll be looking at a stand-alone setup. DET3 seems appealing.

Decision time: August.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 18-07-2014   #34
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Re: "Grey Matter" - finally back in a Sei!

Roll-on acceleration in 2nd. 0-100kph is pointless IMHO as 1st gear is so damn short.


Low-end torque? Don't care!
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!

Last edited by Hansen_DK; 18-07-2014 at 11:07.
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Old 18-07-2014   #35
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Re: "Grey Matter" - finally back in a Sei!

I've been told that if we put a Punto 75 camshaft and TB it will do magic
Im planing on do that to mine, and a ecu chip. Just the camshaft itself should give around 7\8bhp
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Old 18-07-2014   #36
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by maniac500 View Post
I've been told that if we put a Punto 75 camshaft and TB it will do magic
Im planing on do that to mine, and a ecu chip. Just the camshaft itself should give around 7\8bhp
Considering my engine's got a much hotter cam (Comombo & Bariani 280/268) fitted an 866-cam would be a downgrade. I just don't fancy doing a 0-110 video as 1st gear is too short. I'll admit it's in dire need of a remap but that's the last thing on my to-do list.


Took a photo from the side, today. Once I get the car jacked up to fit the cambelt and other stuff I'll take a few photos of the exhaust.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!

Last edited by Hansen_DK; 18-07-2014 at 16:13.
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Old 22-07-2014   #37
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Re: "Grey Matter" - finally back in a Sei!

Stock air filter box fitted today, hoses and all.

Power difference compared to a sucky cone filter? According to my SOTP Dyno, none.

Noise difference? Silly, lol!

The cold air feed will be altered, though. The hole will be widened and a flange will be fitted to accomodate a 50mm hose, instead.

Absolutely no photos, lol.


Really want to do a turbo build... can propably source a 1242 16V at absolutely no cost, which is quite appealing. This is a future 'maybe' project - merely a thought, so far.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 24-07-2014   #38
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Re: "Grey Matter" - finally back in a Sei!

Well, you can keep it in storage just in case
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Old 31-07-2014   #39
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Re: "Grey Matter" - finally back in a Sei!

Hit yet another brick wall as I decided to dig a bit deeper to get a hang of what I'm allowed to do. Turbo is likely out of the question unless I dig up a genuine Novitec kit - need proper emission data. No chance in hell I can make a custom setup and get any sort of approval, lol! Well, unless paying more for a piece of paper than the car's worth, that is.

Had the Summer tires fitted on the Abarth wheels yesterday. Bolts weren't long enough to fit spacers (well, duh! Brain fart!) and without spacers the tire catches the anti-roll bar on full lock.
Refitted the Winter setup for now but the tire guy stripped the threads on one of the wheel bolts, so they're supplying me with a new set today. The hub threads were not damaged!

Finding longer wheel bolts locally with M12x1.25 thread turned out to be impossible. I found one set in the other end of the country. 5-9 days delivery and a total cost of 70 for eight frickin' bolts!
I am now waiting for a set of 16 (M12x1.25x40, 10.9) to arrive from Germany, which cost me 29, total. We'll see whether they're really 10.9 grade, of course, but here's hoping.


As for the Summer setup it is temporary. The tires are Ovation VI-682 165/55 which is a Chinese brand. They're not meant for going nuts on the windy roads. Nor is the car till I'm satisfied with the suspension, brakes and engine. I'm on the lookout for the right set of rims (6x14 195/45 or 6x15 175/50) but till then I'll be happy with the Abarth alloys and knowing the tires are el cheapo I'll have to restrain myself.
Since the Abarth rims are in great condition and the tires are legal it shouldn't be a problem selling them and not lose a penny.

Found a loophole as far as spacers go. H&R DRA kits along with the rules allowing me to increase track by a total of 20mm gives me heaps of options as compared to before. Just have to do the math!

More photos will come but I have little spare time. I work, eat and sleep till some time Saturday evening and have plenty of plans Sunday. Four weeks off work from next week, though. Can't wait! Neither can the car!
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 06-08-2014   #40
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Re: "Grey Matter" - finally back in a Sei!

And here the tiny one is on the Abarth rims - looks really good methinks! But me also thinks nothing's anywhere near the charm of the Abarth rims! Forgot to fit the yellow, Abarth centre caps.

Gives an impression of how low these springs are and to say the ride is hard is like calling the Pacific Ocean 'damp'

I'm looking at switching to a ST 40/30 setup, instead. I was seriously considering H&R 35/35 for a while, but it seems these are only made for the non-Sporting models. A ~15mm drop from stock Sporting seems silly. On the other hand, I'm building a sleeper... ARGH! Decisions!

Fresh wheel bolts all around, 40mm long. Had to shorten the rear ones about 2mm. Spacers... spacers... really want spacers but can't justify a set this year, but will likely end up widening the track 50mm in front (2x25mm spacers) and 30mm rear. Purely for looks, to be honest.

Major difference in turn-in and steering response going from the 155/65R13 to 165/55R14. Still very nippy and it's now necessary to put an effort into activating the ABS as opposed to the both taller and narrower Winter-compound.
These Chinese tires are quite good and grippy, it seems. On the other hand the temperature is constantly over 22C at the moment, so we'll see. When neutral on the throttle they're not very noisy, but under hard braking or acceleration they emit sort of a whine, though far from as annoying as the Winter setup.


Fitted new exhaust mounts and spent most of the day attempting to get the black door list to stick. I'd found some clear no-more-nails-sort of stuff which turns out won't bond to anything at all. Dug out some other stuff which needs 24 hours to harden so the duct tape isn't there for looks - on the other hand, it's a Fiat!


Gave the fuel regulator another twist and lost nothing down low but gained a tiny bit on WOT from 4.000rpm. All good, very close to ideal I think but I'll find out once I get a wideband in the exhaust.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 07-08-2014   #41
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Re: "Grey Matter" - finally back in a Sei!

Awaiting spare parts:

Strut mounts
Brake discs + pads
Drums + shoes
CV joint
Stabilizer bushes

And just for the hell of it a bit of rev limit sound track - not that I'm a fan of this in any way TBH, but I was curious to hear what it sounded like with this exhaust.


Quite a deep tone to it. It's about 10x as loud inside the car. I also hold the revs around the annoying flat spot (between 2-3.000rpm for a few seconds) where it has a tendency to gargle a bit.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 07-08-2014   #42
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Re: "Grey Matter" - finally back in a Sei!

Oh, and 'drive like a nun' is now overwith. The 100% city test gave a whopping 7.69L/100km or 36.7MPG (imperial).
This includes my drive to work straight through the city centre with heaps of traffic and red lights.

Compared to many modern cars it's a dreadful result, but for the engine's state of tune I find it quite good.

Later in August I have a ~400km roundtrip coming which should allow me to check out how good milage I can get. I seriously doubt it's much worse than stock.
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 09-08-2014   #43
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Re: "Grey Matter" - finally back in a Sei!

I spend 10\20 on gas from time to time
Nice exhaust sound
Also, what tires you using?
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Old 09-08-2014   #44
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by maniac500 View Post
I spend 10\20 on gas from time to time
Nice exhaust sound
Also, what tires you using?
Thanks! Quite an easy sound to achieve as it's merely a couple of straight-through absorbtion silencers on a 2" cat-back. If you have access to a welder it can be built for not a lot of money.

Summer/Abarth: 165/55R14 Ovation VI-682
Winter/Sporting: 155/65R13 Hankook Winter Icept... something-something.

Petrol prices dropped 10% Thursday so I brimmed the tank. 7,46L/100km, still only city driving and this time I wasn't even trying, i.e. 50kph in 3rd gear, 60-70kph in 4th. Plugs look fine as well.
The ECU must be 'settling in' after the last reset. Apart from the flat spot it's running great.

The coolant level has dropped slightly after I topped it up a month ago. Looks like 0.2L or so, hardly anything to be worried about. Still looks like there's oil in the coolant, but as the oil level isn't dropping and I see no added deposits anywhere, I'm starting to believe (hope!) nothing's wrong at all.
It's a Fiat, I'm paranoid. That opens up for only positive suprises!
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Seicento Sporting - "Grey Matter" - 1999 - 1108cc - ??BHP - C&B 280/268 cam - Abarth rims with 165/55-14 rubber - dropped 60/40 on yellow Koni shocks - can't hear the stereo over the 2" exhaust!

The fun starts at 4.500rpm!
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Old 09-08-2014   #45
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Re: "Grey Matter" - finally back in a Sei!

I stopped making milage counts, just refuel when needed as its less painfull so to speak Dont know about Denmark, but we get to pay 1,67 per litre here in Portugal
Oh so you have a midle box as final exhaust? Thats why is so loud
About the Ovation tires... Well never tried them, but im guessing i'll never will as i dont like chinese brands. Wasnt you that had Nankangs and spinned?
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