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Who made this Crankshaft?
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Topic: Who made this Crankshaft? (Read 8874 times)
JoeHurley1892
Full Member
Posts: 102
Who made this Crankshaft?
«
on:
March 26, 2018, 21:18:30 pm »
Hi,
I bought this Crank at the Volksworld show and the guy had no idea about it, so I got it at a good price so had to buy it
.
I know some companies like DPR and Berg would use standard crank and stroke/counterweight them etc, but I haven't got many markings to go by.
It looks like its been knife edged and counterweight and it has chamfered oil ways
I haven't measured it properly but in comparison to other cranks its either a 69mm or 74mm. Its a lot more chunky then my CB 74mm Crank
What is strange is it has been left 4 dowelled.
The only markings I can find are the VW one stamped on it.
Anyone have any ideas?
20180326_181743
by
Hurley Photography
, on Flickr
20180326_181607
by
Hurley Photography
, on Flickr
20180326_181559
by
Hurley Photography
, on Flickr
20180326_181547
by
Hurley Photography
, on Flickr
20180326_181612
by
Hurley Photography
, on Flickr
20180326_181626
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Hurley Photography
, on Flickr
20180326_181800
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Hurley Photography
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1975 Late Looker HOT 1200 Build Thread:
http://cal-look.no/lounge/index.php/topic,20214.0.html
SlingShot
Hero Member
Posts: 600
Re: Who made this Crankshaft?
«
Reply #1 on:
March 27, 2018, 04:26:36 am »
Im going with Berg on this one. I believe they would weld the CW from one side only (don't quote me on this, unless I'm correct ;-)
Ive seen similar 4 digit no's on other Berg cranks and flywheels.
Also the X on the butt end would be a good way to match it to a stock 4 dowelled flywheel, that it most likely was purchased with.
«
Last Edit: March 27, 2018, 06:49:37 am by SlingShot
»
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Will Race For Beer !!!
dangerous
Sr. Member
Posts: 270
Re: Who made this Crankshaft?
«
Reply #2 on:
March 27, 2018, 22:25:46 pm »
Berg would be my best guess also,
based on counterweight shape and , yes, the weld on the inside of the counterweight.
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glenn
Hero Member
Posts: 639
Re: Who made this Crankshaft?
«
Reply #3 on:
March 27, 2018, 22:50:42 pm »
Can't imagine Berg selling a CW crank with only 4 dowels.
I had a Berg 69 CW crank and it was 8 dowel.
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Glenn
74 Beetle Specs
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74 Beetle Restoration
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2180cc Engine
"You may not get what you pay for,
but you always pay for what you get"
Restored Bosch Cast Iron Distributors
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neil68
Hero Member
Posts: 538
Re: Who made this Crankshaft?
«
Reply #4 on:
March 29, 2018, 04:23:53 am »
Agree, that looks like my old Berg 69 mm crank. When I bought it for my 69 Westy years ago, GBE recommended staying with the stock 4-dowel flywheel.
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Neil
Der Kleiner Rennwagens
'68 Beetle, 2332 cc, 204 WHP
12.5 seconds @ 172 KM/H (107.5 MPH)
Dynojet Test:
https://www.youtube.com/watch?v=M9B_H3eklAo
modnrod
Hero Member
Posts: 795
Old School Volksies
Re: Who made this Crankshaft?
«
Reply #5 on:
March 30, 2018, 03:19:45 am »
I had a chat to a old-time crankshaft guy pretty famous in Aust (and elsewhere) about dowelling. Interesting.
His general rule-of-thumb was under 6000 on a balanced but stock non-CW 4-dowel crank was no problems as long as you used an oversize washer and the right torque. Heavy rear wheels and light flywheels reduce that a fair bit though.
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stealth67vw
Hero Member
Posts: 2261
Re: Who made this Crankshaft?
«
Reply #6 on:
April 02, 2018, 02:59:11 am »
Quote from: glenn on March 27, 2018, 22:50:42 pm
Can't imagine Berg selling a CW crank with only 4 dowels.
I had a Berg 69 CW crank and it was 8 dowel.
Berg did sell them as 4 dowell so you could properly match dowel to the flywheel.
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John Bates
JB Machining Services
1967 street bug 2020lbs w/driver
12.34 @ 108 mph 1/4
7.76 @ 89mph 1/8
Martin S.
Hero Member
Posts: 990
Re: Who made this Crankshaft?
«
Reply #7 on:
April 04, 2018, 22:58:02 pm »
I think I remember reading that fact from Berg from their catalog somewhere. They were very particular about the fit of the dowels as well as the fit of the clutch to the flywheel, etc. They liked to have a snug fit (understatement). I even made a flywheel puller from an old flywheel flipped over, the threaded holes reamed out for bolts, and a large nut welded to the thing. With a bolt in the center I could easily pull off the fw without rocking it
Here are some pics of a 69 CW crank from Berg that I bought in the 90's as part of one of their engine kits.
«
Last Edit: April 04, 2018, 23:04:50 pm by Martin S.
»
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
Martin S.
Hero Member
Posts: 990
Re: Who made this Crankshaft?
«
Reply #8 on:
April 04, 2018, 22:59:15 pm »
more pics. The rods are from Berg too and haven't been removed since the 90's
All is in perfect shape! These parts were left over from when we re-used the case which is going strong still with my 2332 turbo.
«
Last Edit: April 04, 2018, 23:03:37 pm by Martin S.
»
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
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