SNAIL

JoZeF · Grave Digger Joined: 25 May 2007 Posts: 1734

I'll measure it this weekend. What you really need to know is the diameter of the Subaru Crankshaft pulley... it's highly likely you will need to have a new charger pulley made anyway, based on calculations.

Looking at the displacement of citroen two pot engines this charger should be very good for a 602 or perfect for a Visa...

You just need to do the necessary mods for it to fit and work (carb or injection, intake mods, manifold, exhaust, ignition, etc)
_________________
"That bumper fits there like sunglasses on pig" Laughing

O.E.

Kustombart · Posted: Mon Jun 02, 2008 5:46 pm Post subject:

You seem to have done your research. I agree that low compression would be better for supercharging, otherwise you get knockig in the engine. You can further up the boost by fitting an intercooler or water injection.

As for the cam-timing, you need to let more air in, so a bigger valve, longer duration or higher lift of the inlet valve is needed. But the overlap (when inlet and outlet are both open) should not be longer and preferably even shorter. It would be better to have a high lift cam, instead of longer opening times.

But how much extra power are you hoping to squeeze out of the wee flat twin?

I can recommend Burton Car for parts, they may not always be the cheapest, though.
_________________
Don't ask me what I think of you 'cause I might not give the answer that you want me to.

www.kustombart.com

JoZeF · Grave Digger Joined: 25 May 2007 Posts: 1734

Stock camshaft and valvetrain are usually perfectly useable and work out best in supercharging applications.

You need to look at changing cam and valves if you're aiming for more than 1 bar of boost, and thats starting to get on the heavy side...
_________________
"That bumper fits there like sunglasses on pig" Laughing

O.E.

Harley · Posted: Tue Jun 03, 2008 6:36 am Post subject:

JoZeF · Grave Digger Joined: 25 May 2007 Posts: 1734

How can you say that 0.7 bar equals 40% increase ?
_________________
"That bumper fits there like sunglasses on pig" Laughing

O.E.

Harley · Posted: Wed Jun 04, 2008 4:27 pm Post subject:

Harley · Posted: Wed Jun 18, 2008 2:52 pm Post subject:

Update:
My Visa engine has arrived Very Happy

and is a lot more complete than i thought it would be. Flywheel, manifold, Solex carby, fuel pump, alternator, engine breather all still intact!
I finally got in touch with Ecas, after 2 months Sad

, and the new engine breather is on it's way. No more oil leaks Razz

i hope...
Allan from Silly Cv's has made me some fibreglass panels Very Happy

which are currently in a container sailing across the seas with a 2cv ready for Raid Australia.

Visa # A 06/635
Next to find a Visa Bell housing...
_________________
Check out my Dinosaur www.youtube.com/watch?v=RPF_uU61als
Spot my 2cv Surprised

www.youtube.com/watch?v=Zoq68CPLq4M

JoZeF · Grave Digger Joined: 25 May 2007 Posts: 1734

Hi

some modern electronic ignition suppliers for 2cv have designed one for Visa engines fitted to 2cvs, which avoids the use of all the specific Visa bits + the hassle of cutting the bellhousing for the sensors etc...

Or check out the link I put previously about that home made ignition. if your brother is an engineer he should be able to sort you out with the plans provided.

Wink

_________________
"That bumper fits there like sunglasses on pig" Laughing

O.E.

Harley · Posted: Wed Jun 18, 2008 4:28 pm Post subject:

björn · Posted: Thu Jun 19, 2008 12:37 pm Post subject:

try the dutch bilders of 123
_________________

Harley · Posted: Thu Jun 19, 2008 5:55 pm Post subject:

Hey Bjorn,
You mean this: www.123ignition.nl/id/30.html
Yes it looks good, i have the first black model currently on my standard 2cv.
We have a distributor here in Australia: www.123ignition.com.au/
Has anybody used this new Evo unit with EFI or forced induction? what do you think?

Bjorn, Luv your ride Twisted Evil

Cheers
Harley
_________________
Check out my Dinosaur www.youtube.com/watch?v=RPF_uU61als
Spot my 2cv Surprised

www.youtube.com/watch?v=Zoq68CPLq4M

björn · Posted: Thu Jun 19, 2008 8:06 pm Post subject:

downt know
i stil run a visa with standert ignition
_________________

Harley · Posted: Sat Jun 21, 2008 2:35 pm Post subject:

Visa Bellhousing anyone?
I was told it would be impossible to find a Visa engine in Australia, but i got one Very Happy

Now I want a Visa bellhousing, but it does seem impossible in Australia Sad

How common are they in Europe?
Is anyone interesed in selling one and shipping it to Australia?
I want to fit a GS gearbox Twisted Evil

Cheers
Harley
_________________
Check out my Dinosaur www.youtube.com/watch?v=RPF_uU61als
Spot my 2cv Surprised

www.youtube.com/watch?v=Zoq68CPLq4M

Bart · Posted: Wed Jun 25, 2008 10:04 am Post subject:

Hi Harley,
Visa gearboxes are pretty common around here, because most people combine the visa engine with a 2cv box, so they are stuck with the visa box. I had one too and kept the bellhousing and the input shaft for a possible future project. However since I haven't got a plan for it so far I'd be happy to help you with it. Sent me an e-mail when you want it and we'll sort it out.

Cheers, Bart

björn · Posted: Wed Jun 25, 2008 1:20 pm Post subject:

ok if it is not working with bart
i got a hole visa gearbox foryou for free
i have to cleanup
got bad news end of august i have to leave my old garage
and have nothing new yet so clean up time
_________________