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Old 23-06-2014   #16
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by woj View Post
Check in English (urban) dictionary what it means, you will have a great laugh
No need to look it up. I only need to look at my paycheck before/after taxes to know, how UD defines SKAT!
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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 26-06-2014   #17
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Re: "Grey Matter" - finally back in a Sei!

Stuck some injector cleaner in the tank and brimmed it today - definetely makes a difference, as when I pulled two spark plugs after the drive home,taking a 160kph detour on the motorway (sorry, sort of), the plugs are all clean. Looked a bit on the lean side (white porcelain, no blisters) so gave the regulator a twist.

Came home to my new 40mm TB, so Sparky5's now on my list of "Cool People I've Dealt with and will Gladly Trust"

Back in the day I had a Tricker TB fitted. Steve puts Tricker to shame as far as perfection goes - good job, man! All pretty and shiny!

Won't get it fitted before Sunday, though. GF keeps mumbling something about her birthday on Saturday and people coming by, so apparently the Fiat has to come 2nd... BAH!
Likes sparky5 liked this post
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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 27-06-2014   #18
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Re: "Grey Matter" - finally back in a Sei!

Yet another sucky video which doesn't come close to describe teh noiz from teh zorst:


Engine is warm and i turn it off, restart immediately and it's as if the idle control has been reset thus tries to stay around 500rpm-ish unless I blip the throttle or wait long enough (20sec tops). It'll settle around 7-800rpm eventually.
When the engine is cold it runs smoothly at ~1.100-1.200rpm for less than a minute and then settles between 900-1.000rpm till it's warm.
Sounds and feels a bit like a lumpy 3-pot engine during idle. Could pull individual ignition leads to see if any one missing causes different changes than others?

At around 1/4 throttle it runs rich - especially when cold! Something tells me it's the chip being weird, but maybe a compression test should be the next step?

Plugs are NGK BKR7E w/0.8mm gap like I ran in my ol'Cento for three years.
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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 27-06-2014   #19
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by Hansen_DK View Post
Came home to my new 40mm TB, so Sparky5's now on my list of "Cool People I've Dealt with and will Gladly Trust"

Back in the day I had a Tricker TB fitted. Steve puts Tricker to shame as far as perfection goes - good job, man! All pretty and shiny!
Thanks for your comments, I do try and do the best job I can.
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Old 27-06-2014   #20
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Re: "Grey Matter" - finally back in a Sei!

Packaging alone is well beyond anything I'm used to. A proper job from A-Z, so all compliments are well-earned.

If the car doesn't respond well to the bigger TB, I'd rather blame the car.

I am expecting it to respond well, though. Have found a bit of potential help for a future remap and I'm tempted to fit a wideband lambda with an A/F-meter, as well. Can't hurt anything but my wallet!
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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 29-06-2014   #21
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Re: "Grey Matter" - finally back in a Sei!

TB fitted!
FPR adjusted!
Idle screw adjusted!

On the first startup the idle was all over the place but finally settled around 500rpm and a reset made no difference. Blocked off the idle intake and turned the screw till idle was semi-steady at 500rpm and reopened the idle inlet. Idle is now <900rpm once the engine is warm.

Went for a drive and the engine was running very lean. Had to feather the accelerator to go anywhere and the plugs were too clean e.g. no carbon anywhere! :shock:
FPR screw was given half a turn at a time and it ended up at 1 3/4 turns in. Carbon is slowly building up in 'the bottom of the plugs' and has a nice, light brown colour.

After these adjustments the car pulls from 50kph in 5th gear like a stock 1108 would. It'll keep a steady 80kph in 5th as well. Neither were an option before and I was forced to do 90kph or more to stay in 5th! 50kph meant 4th gear, tops.
0-100kph is very close to 10sec which is a whopping 2sec faster than before and the rev limiter is literally annoying in 1st and 2nd gear.
Acceleration beyond 110kph is amazing, considering the engine's size.

No, it's not as quick as a high-boost turbo, nor was I expecting it to be so. It's every bit as nippy as a stock Cento, though, except there is as much power as there is noise coming from the engine, once the needle passes 4.5000rpm.
There is absolutely no doubt in my mind it'll hit the limiter in 5th gear, even if it is raised to 7.500rpm.

Alas, there is oil on plug no. three... and the engine isn't thoroughly stable at idle speed, either. As there is white goo in the coolant, oil level is NOT rising and the engine purrs along freely at higher rpm, I REALLY HOPE it is only a dead head gasket!

If it turns out to be worse than that, the car will be sold or scrapped. Engine swap is simply not an option for me as I literally don't have anywhere to do the work other than pay a garage for the job. On the other hand... why not get it bored to fit 1242 pistons, then?

Oh God... this is likely to turn out expensive... HAH! *Fade in Queen's Bohemian Rhapsody*
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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 30-06-2014   #22
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Re: "Grey Matter" - finally back in a Sei!

I'll be fitting the Abarth wheels with 175/50 or 165/55 profile, depending which of them my normal tire-guy is most desperate to get rid off, lol! He sounded really (wheely?) surprised when I called him and stated the size of the wheels. He didn't quite get why I don't want 195/45 like most people, till I mentioned they'd likely handle and look weird on a 5.5x14 rim.

"We haven't sold tires in those sizes for like 10 years!"

Well, duh! Find 'em, fit'em, gimme the bill!
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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 12-07-2014   #23
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Re: "Grey Matter" - finally back in a Sei!

Attempted to start the car today and it didn't fire up. "Oh grief, the Fiat Curse shows its face again," was my first thought.
Got under the car and removed as much sticky oil and dirt from the crank position sensor as there was room for. Didn't help at all, but hey then it's done.
Pulled first the fuel feed and then the return hose from the TB. Both squirted fuel so pump and likely CPS was ruled out.
That got me thinking the injector had given up, so I fit another I had...

WROOOOOM!

Might get rid of the Barchetta wheels tomorrow in exchange for a set of 13" Sporting ones and a bit of cash my way. Mehehe!

The tire guy ran into "delivery problems" so the Abarth wheels are still on hold. :sad:

Picked up the rest of the goodies that came with the car:

Stock cam
New cat
New alternator/generator
Abarth sideskirts (black, though)
Stock inlet manifold
Rubber strip for the left side of the car

Since the skirts are black and the front left wing is rusty, I am considering just painting the lower ~60mm part of the entire car black, as well. Just a thought, though.

Inspected the underside of the car and there is literally no rust!
Exhaust is a bit weird. 50mm pipe welded to the 38mm pipe coming off the cat. I'm inclined to build a new exhaust system. 44mm should suffice and be a bit more quiet. The stock 38mm (including CSC, Supersprint etc.) seems like money out the window compared to a bunch of pipes, bends and mufflers.
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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 13-07-2014   #24
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by Hansen_DK View Post
I'll be fitting the Abarth wheels with 175/50 or 165/55 profile, depending which of them my normal tire-guy is most desperate to get rid off, lol! He sounded really (wheely?) surprised when I called him and stated the size of the wheels. He didn't quite get why I don't want 195/45 like most people, till I mentioned they'd likely handle and look weird on a 5.5x14 rim.
185/50/14 are possible. Conti Sport, etc.
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Old 13-07-2014   #25
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Re: "Grey Matter" - finally back in a Sei!

Quote Originally Posted by fingers99 View Post
185/50/14 are possible. Conti Sport, etc.
And beyond the 5% I am allowed to increase tire circumference from 165/55-13.
I'd rather not describe this country's legislators in adequately colourful terms.

If the tires I've ordered aren't on their way come Monday, I may have found a good offer on some 165/55R14 Bridgestone Potenza RE030 at 81 a corner.
Or screw the rules and get a proper size instead, of course. Kind of feels like I'm forced to pick between old or low quality tires.

But oh, how I think I'd really (wheely?) like the Yokohama A539 in 185/50R14. Think they look sooooo good!
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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 13-07-2014   #26
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Re: "Grey Matter" - finally back in a Sei!

Never said I was easy to deal with, btw. Sorry! Ahhh Still appreciate your input.

Should I not care for the Abarth setup I can always sell and replace them with something better and maybe lighter? Always found OZ suit the 'centos well and 6x14 opens up a whole new range of tires.
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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 13-07-2014   #27
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Re: "Grey Matter" - finally back in a Sei!

Yeah, ideally 6J 14 is the way to go.

You might even find that they're within the circumference rules!

There's a poor guy on MR2OC trying to get a Rev 1 n/a car OKeyed with a Rev3 Turbo engine in Denmark. Almost a hopeless task, it seems.
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Old 13-07-2014   #28
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Re: "Grey Matter" - finally back in a Sei!

6x-whatever ET24 or greater is legal.
195/45R14 and 195/40R15 are both legal as well.

That leaves me with some good tires and rims to choose from, all things being equal and with a bit of patience anything's possible.

My first Sei was fitted with 195/45 on 6x14 Punto rims. Couldn't have asked for better grip whether cornering or braking which was a good thing considering my complete lack of experience at the time! It stopped on a dime and would shoot through roundabouts like nothing else... kind of makes me wonder what the heck I'm doing, sacrificing that over a set of snotty, 5.5" wide rims!

Quit messing with my head!


What it boils down to is what a given MOT man will accept and officially approve. Do everything right and it is technically not a problem to get your modifications declared in the car's papers.
Everything goes pearshaped once you cross an undefined line where the car's identity is changed. And that part I know too little about.
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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 17-07-2014   #29
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Re: "Grey Matter" - finally back in a Sei!

Got rid of the Barchetta/Nankang setup last weekend. Traded the wheels for a set of 13" Sportings + sufficient cash to finance a set of brand new Hankook Winter 441's with a 155/65 profile as opposed to the 155/70 worn and battered mix of tires already fitted. Rims are not in great shape but good enough for winter use.

Oh, what a joy to have fresh, properly balanced wheels fitted that don't make the car jump every time you're near a white line or a pebble! Total cost was just shy of 5.
Just need to give the Sporting rims a proper clean and maybe later paint them some awful colour just for kicks.

This is in fact a rather good profile. Less bouncy and with feedback enough through the steering wheel to make me feel in good control. Added a set of 10mm spacers in front - legal or not, it just feels better. Besides, theres no point in having them on a shelf somewhere and they can always be ditched for a few hours, come MOT.

Still waiting for the tires for the Abarth wheels.

As the car ended up om a lift for the tire change I got under it for a proper visual inspection. Definetely 100% rust free apart from a bit on the surface of the lift points. Sweet!

ARB bushes are shot, springs are beginning to rust and front brakes are sticking slightly but other than that all's good. So, a good cleaning of the brakes, a set of ARB bushes and a set of new springs incl. strut mounts in the near future should suffice. Not bad, really.

Cambelt and tensioner has been ordered along with a few other bits.

I'm attempting to drive like a nun to find out what city driving mileage can be as opposed to what it's been like so far. The trouble with the C&B 280/268 cam is that it's soooooo muuuch fuuuuun going through the revs. Add to that the motorcycle-like note from the 2" exhaust system and a panel filter breathing through a sawed-off front part of a filter box... head turner! And old people hate me.
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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 17-07-2014   #30
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Re: "Grey Matter" - finally back in a Sei!

This topic needs more photos
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