328 GTS 6/86 Swiss without Catalyst How much Kw ?

I don't think it does (if your car is a 1986 CH version 328). I believe 1986 CH version 328 virtually has the euro version 328 engine (no catalyst, no air injection, higher compression ratio), and just different transfer gear and gearbox gear ratios (as shown in the 308QV/328 WSM). In the F documentation, 1987/1988 CH versions seem to be different from 1986 CH versions for all F models.

Model Year can be a little iffy in Europe (and exhausts often get modified) -- can you confirm that your car's engine also does not have an air injection system? Can you post a picture of the engine? Have some unclear VIN information that engine F105C046 is a 1987-89 CH version, and a 1986 CH version would be engine F105C. Also, what is the 4th digit in your VIN?

 

Hi Steve.

The swiss homologation papers for the car, dated december 1985, says engine F105C046, 310 Nm and 196 kw, which would be 266,5 hp, so this "046" engine would be missing 3,5 hp compared to a standard, euro Non cat engine given for 270 hp...

https://files.admin.ch/astra_ffr/mofis/Datenlieferungs-Kunden/opendata/2000-Typengenehmigungen_TG_TARGA/2400-pdf-Scans_TG_bis_1985/2430-franzoesich/025134.pdf

Rgds

 

The 85 CH 328 has the air injection system.
A bit different from the US market car (TAV 10). It also has a different flywheel, head cylinders, fuel injection, blow-by, gearbox transmission from Euro standard engine...

 

My bad -- you are correct that 1985-86 CH 328 have the pulse air injection system (but there is almost no performance penalty as it only operates when cold and there's very little obstruction of the exhaust ports).

Thanks for posting that, and it makes perfect sense to me that early CH 328 engine assemblies would be labeled F105C046 just to identify that the gearboxes are different (as I noted, the VIN information that I have was/is unclear -- would still like to know what the OP has in the VIN 4th digit). However, although it is "missing" 3,5 hp, the max torque is increased a little (310 Nm vs 304 Nm) -- so my guess is that the early CH engine is virtually identical to the euro 328 (except for the added pulse air injection system noted above), but just with slightly different cam timing to give it a little more mid-range "mountain" torque at the cost of a few high-RPM max hp (I can't find any information for early CH 328 cam timing to compare to the euro 328 cam timing).

 

Thanks for posting. The "W" in the 4th digit of your VIN helps confirms that your 328 is the early CH F105C046 engine (nearly identical mechanically to the euro 328 engine, but with the added pulse air injection system) with the power and torque values shown in nerofer's swiss homologation papers.

 

1986 CH model have F105C046 engine and think 1987 to 1989 CH model have F105P046 engine. But I would have more CH model owners who could confirm that point

 

One more !

So F105C046 engine without cat in 1986, F105I046 with cat in 1987 ? F105P046 ? also with cat in 1988 and 1989 ?

 

Absolutely, there is an intermediate version of the engine catalyzed without pressure sensor, then, around November / December 1987, the version with pressure sensor appears.
We had talked about it with Nerofer and bertrand328.
The last car that I know with this intermediate engine is the chassis SE 75297. The first with the sensor is the SE 75893. Between the 2, there is the change of engine numbering but I have not managed to specify more than that chassis number, this version 046 is still quite rare.

You can easily recognize one or the other of these engines because the sensor is clearly visible next to the support bar between the cylinder head and the trunk.

 

I check Swiss approval but ZFFXA20A4G0... and ZFFXA20A5G0.. are US type 328. This should be car imported from US or Canada. Custom import ? We know several Swiss car were imported to Canada but US/CDN car to Swistzerland.. Just discovered #77741 and its story on Michael Sheehan ferrarisonline

 

very interesting, I did not know there were 187.5kW versions.