anyone have specs on VS stock 1915

emailed VS but no answer yet, looking for:
size of crank
size of jugs
type of cam
carb maker and size
anyother pertinent info.
thanx

Hey Bob...
I don't think VS is going to be much help. I've tried and got nothing.
Ernie

To get 1915cc you'd have a std 69mm stroke crank and a bore of 94mm. Probably about the cheapest way to go with a large displacement engine since you don't need a costly crank or engine case clearancing.

Bob--the carbs are Kadrons--single barrel 40 or 44mm.

I was told the crank was forged (not cast) and to keep the rpms to no more than 4,000. My VS engine doesn't even have a serial number on it.
I was told to treat it like a '72 VW 1600 dual port for parts and specs.

Not much help but all I have. My car was made this past April.---Jack

If they installed a counter weighted crank, it will handle more RPM's

Jack, most, if all replacement engine cases do not have a serial number.


Just a guess, but it either has a stock or 110 cam.

A forged crank should be able to handle more than 4k RPMs - assuming it is properly attached to flywheel (wedge or 8 dowel pins). So either they are being conservative, its really a cast one or it isn't counterweighted or balanced. It really is handy to have a detailed build sheet - so you know the weakest component before you force it to fail.

Kirk has been great to deal with since I got my VS. I'll email him now and see about a "build sheet" on my engine and report back.

Also does anyone with a VS have a build sheet on their engine?

---Jack

No build sheet; my understanding is that it's a regular VW Mexico OEM longblock which has punched heads & block & bigger pistons & cylinders. Valve sizes are stock as well as cam profile and everything else. It's also my understanding that the crank is cast, not forged; that's why I don't push it much. I'll find out whenever I need to take it apart (which I think won't happen for a looooong time).

Jack, I am interested in the outcome. But I have a feeling Kirk is not going to provided you with such a document. He's been great to deal with but only seems to tell you what you need to know. Or should I say what he thinks you should know.

I am going stir crazy not being able to drive my car. If it was not for the business, I think I would fly the coupe to a warmer climate. You may think I am crazy, but my 2006 Saab 9-5T is only 1.5 years old. A Fast, & Comfortable car that I was goo goo over until I took possession of my Speedy. This is really Madness!


Happy trails to all you warm weathered friends,

Marty G.

Marty--and all-- I'm going back and forth with Kirk--he is trying to help me and I think he will.

My car was sold to ---you guessed it---your friend and mine--- rotten Automotive legends. (Legend is right). So there's no build sheet. He did send me the invoice from Vintage to ALto VS---no prices though. It's my car from the VIN #. Origionally it had a banjo sterring wheen and was changed out for the Nardi that's on it now. Good thing--I much prefer the Nardi.

I just wroth him back and asked for the "standard" build sheet for 1915s put into VS cars in the first quarter of this year. Surely one 1915 was pretty much the same as another.

Kirk has told me in the past that his engines do NOT use a cast crank--they have a forged crank.

Will report when I hear something.---Jack

Sounds good. My car was built by Kirk just three & half months ago. It came with no documentation.


Marty

Sounds like an application for a "live fire test" -- rev it up just past red line for next 6 months -- if crank doesn't break its forged. If it does - its most likely cast and you can look at the steel grain and confirm (as you throw it in recycle bin). Unfortunately its a destructive test. Next time you adjust the valves - see if there is a stamping on the heads - most likely MEXICO and perhaps a # like 041 or 044. This would give idea of valve size.

All--I just received an email from Kirk that may help some VS owners: " The engine is a type 1 with case and heads cut for 94 mm pistons and cylinders. The crank is 69mm with a stock cam ".

Bob--did you receive any additional info?


---Jack

At one time the Real Source seemed to be the main importer of mexican engines - They changed hands a couple times (Rocky Mountain) to finally rest with Mid-America Motorworks - Here's their specs for what they call a 1914cc engine:

http://www.mamotorworks.com/acvw-1-86-8029.html

I suspect this is what VS uses -

Late Model Dual Oil Pressure Relief (8mm head stud) Case
Big Valve 041 Heads (40mm I x 35.5mm E)
New Pistons and Liners
Rebuilt Crankshaft, Connecting Rods and Flywheel
New 110 camshaft - mild cam recommended for 1776-1941cc engines (vice std 100)
New Heavy Duty 30mm gear Oil Pump (38% > stock)
New Fan Shroud and Metal
New EMPI Dual 40mm Carbs
New Generator
New 009 Distributor
New Bosch Blue Coil
New Ignition Wires

I'm somewhat thrown by the standard cam shaft - as a bigger engine would need more intake/exhaust capability (larger valves in head) and slightly more agressive cam. If indeed you have 3/4" reach sparkplugs then you have a higher performance head which is good.

MAM sells these for $3k each - plus they have add on options like an alternator vs a generator.

I know for a fact the heads are stock. Here's a photo of the heads that were in my Mexicrate after we replaced them with the CB 044's. They were glass beaded, cleaned up and treated with cosmoline to preserve them. I stand by my original statement; these are Mexican OEM VW 1600 longblocks with all stock components. If you want larger displacement they just put bigger pistons and cylinders and put it back together again; that's it and it's enough for the majority of people out there. We connoiseurs and buffs always want a little bit more.

havent heard back from VS but believe Ricardo is correct..everything is stock except for the bigger cylinders/pistons and the dual carbs. ok for a runner but some of us need more OOMPH .

My impression is that all stock VW German cranks are forged. If you have ever tapped a forged crank hung by a piece of wire, it sings. Tap a cast crand and it thuds. To figure the different sound out, hang one open end wrench box ent off the open end of another, tap it. Now hang a piece of pipe and tap it. Note how the forged end wrench sings and the cast pipe thuds. Note the ring. That's what you want. I do not know if there are acutally cast VW cranks, are there?

All German made cranks were forged, as were almost all Brazilian units....Mexican cranks were either way, off and on, during the entire production era.....You should give your Mexican crank a close inspection, before building with it....

FYI,

I built a lot of high performance engines using cast cranks. Never had one fail.

With regards to the crank material, Leon is right; German cranks are all forged. I've read the Mexican cranks (at least the newer ones) have been cast for some time.

Going along with what Larry says; a knowledgeable friend who has had a VW performance shop since the early '80's told me that as long as you're not doing hard launches with the car the cast crank works fine on a higher performance engine.