strange type 4 big bore kit..?
 

hello guy's we have found an old NOS kit of cylinders and pistons in diameter 100mm, but without precise mark, the kit is made for 66mm crankshaft and boring is 99,98mm. the boring is flat but renforced out of matter to make release in the pistons for the valves (just for 2 valves)
the cylinder is lined cast iron with an aluminum envelope. the pistons are just located by "UP91" and a code "FF" on the side.

the pistons look like wiseco, short skirt and are released around the sides of the axes, the axes its in 24mm
does somebody knows something more than us about this kit..? factory.? a name.? built by who..?

thanks for help

david

Hi Elroocky, a bit off the topic but is Remmelle still around? Last I heard he is relocating! By the way, what is the size and et of your rear wheels and the fender size? :)

out of topic.. but..
 

hello silver bull :D

check ou on my ride, all information are on it, rim's are 10,5x18 and 9,5x18 with + 4cm and + 5cm on rear..

remmele is back,and opened in germany again he rang me a few week's ago, he is near "bürt" in a small town, it's very near the french border. (around 12 miles)

I dont have the adresse and phone with me, I will drop you that tonight, when I'll be back at home..

david

Elroocky, regarding your original post, I belive that 20-odd years ago that SCAT or Empi made some 100mm alusil or nikisil cylinders but didn't continue production due to such small demand for those parts.

The way you described yours, it sounds like they're Biral cylinders. I'm not sure if SCAT or Empi made any of those, but they would be likely candidates for their manufacture.


I hope this helps.

it's for shure a Biral kit, main cylinder is cast iron with envelope aluminum, it rather light and lighter than an 94mm original cyl/piston, and it is clear that it is not recent, except that nothing does not make it possible to identify it. I will make photographs and drop them on the site.

Even on the seals, nothing appears, nothing on the piston axis.. or what ever..

pics
 

here are 2 pics, that maybe will help..

the iron cast cylinder is very thick, would be very easy to modified and get in a 103mm piston

does anybody have any informations..?

david

Hi david,
Very cool kit! Nice find indeed.
Sorry, never came across them.
Greetings,
Walter

very cool..?
 

well very cool is a big word, that make's a 2074cc on a 66mm crank or 2230cc on a 71, but, I dont know if there is a change to get any spares in the future... where to get new seal, gaskets or what ever..?

david

The cylinders look long enough to see if a longer stroke would be possible within those cylinders :)
Also these birals are ideal for a turbo-project. Think further. Seals, gaskets you would have to let them make :(

Good luck with them! (unless you want to sell them on, then call me)
Greetings,
Walter

not yet
 

well wally? I'm going to have a try first.. before salling them :laugh: for seals, no prob, I have an adress where they can provide them, all style all dimensions, a friend give me it yesturday, I feel more confident with it now.. :D

more informations..? all are welcomed

wally, what would you do with that kit? ( with turbocharged type 4) and infos..? a precise engine chart.?

It looks like a Nippon but i`m not sure. :confused:

Not sure what the set exactly is, but it would make for a fine cool riding engine for my daily squareback :)

No problem, its just a possibility.

Greetings,
Walter

I would use a 76mm stoke crank with that, or just the 66mm. Looks like a great find, and if you ever need to get RID of them, please let me know. ;)


Great, great find.



E

hum humm
 

it look's like everebody is starting to love this "middle size boring kit". :D and forget it :laugh: no way... :p

I'll have a try on a 66x100, that could be an excellent 2074cc for my next toy as a 914 to replace the old 1971cc...

I'm looking forward for a chart , I need to see..

Hello everybody. I had about 10 years ago from Scat just like the same set. The piston were lower for longer stroke, but cylinders seem to be alike. Something happened to the set in my friends car, but I don't remember what! I still might have some cylinders in my store.