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 frog
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| posted on May 5th, 2003 at 11:29 PM |
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Roller crankshaft good or bad?
Have a motor from a guy who is about 75y.o. now and he built it in the early 80's put it in his standard 69 bug and told me he blew off v8's
at traffic lights in it.Anyway this engine has a roller crankshaft so that means it has rolling bearings instead of the usual ones.
Is this better and why?
It has been sitting for a while too scared to run it,not sure if it will do harm.
"-Hannovermetalmadness-"(Infectious desease with no known cure).
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OvalGlen
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| posted on May 5th, 2003 at 11:37 PM |
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My two cents worth.
They are beautiful cranks but are prone to Twisting out of true.
I would pull the motor apart and have every thing checked , polish off the surface rust.
Take Very special note of the Oil squirters which should be set up to spray oil over the roller bearings from the oil gallery.
If this has not been done then ask on the forum.
Dont drop the clutch or set motor so that it will ping... They rev real nice.!
make sure the cam is able to work at upper revs.......:thumb
Regards,Glenn>
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frog
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| posted on May 5th, 2003 at 11:39 PM |
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Roller crankshaft good or bad?
Have a motor from a guy who is about 75y.o. now he built it and put it in his 69 bug and told me he blew off V8's at traffic lights.Anyway this
engine has a roller crankshaft so that means it has rolling bearings instead of the usual.
Is this good or bad and why?
Has not run for a while,probably not good.
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"-Hannovermetalmadness-"(Infectious desease with no known cure).
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frog
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| posted on May 5th, 2003 at 11:43 PM |
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49.2kb pic too big?
Had a pic with this at 49.2kb told me to do it all again!what!...don't get too close to that 50 mark now..
"-Hannovermetalmadness-"(Infectious desease with no known cure).
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 vw54
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Always Waiting 4 Friday
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| posted on May 6th, 2003 at 08:03 AM |
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Frog
I merged yr posts for you.
The roller crank. If you get it and need new roller bearings for it then i think you will have problems finding them.
According to the experts they were never designed to spin fast only susposed to be for low revs.
Also finding someone to realign the crank again might be a problem, as the crank was built in several pieces and bolted together.
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frog
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| posted on May 6th, 2003 at 08:58 PM |
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Mmmmm
Sounds like it's going to have to come apart,just what I thought in the back of my mind would have to be done.
Thanks for all your help,hope it's not too bad on the inside.
"-Hannovermetalmadness-"(Infectious desease with no known cure).
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 Bizarre
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The artist formerly known as blue74l
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| posted on May 6th, 2003 at 09:31 PM |
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that is a strange looking header on there. seems to have a non merging collector point - almost square.
What sort is it do you know?
Futue te ipsum!!!
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Menangler
A.k.a.: Dave Becker
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| posted on May 6th, 2003 at 09:51 PM |
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It's a nasty Brazilian Kadron exhaust, good for a stocker. (if you can't find anything else)
FAHRVERGNUGEN;
Description of a pleasurable sensation,
Experienced when a car and it's driver are in mutual harmony, A unique driving experience, Pleasure, Satisfaction,
A feeling experienced by Volkswagen Drivers.
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1303Steve
A.k.a.: Steve Carter
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| posted on May 6th, 2003 at 10:19 PM |
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Hi
They only have roller big ends, they use stock mains that have groves cut in them and oil is squirted onto the big ends from the groves. I used to own
an 82mm one, I got scared about reported failures and sold it to Peter @ Bob Wyhms about 20 odd years ago. Peter new about my fears but still fitted
it and it is still running today. They were made by SPG in Germany and the early ones were great, the later ones did appear to give problems after the
company wound down operations. In the old days a 82mm roller crank with 88 mm bores was the hot ticket, its what a lot of the rallycross Beetles used
to run.
1302Steve
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OvalGlen
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| posted on May 6th, 2003 at 10:36 PM |
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My brother has one.
It was in the Klaack motors race beetle which John now owns.
It got twisted when it pinged a lot from racing with a fuel problem.
We got Hank down at Albion Park to fix it all up for us.
He Pinned it.
Must admit that we havent run it since.
One day ........... we'll get something together for it.
-
We use to rev it to 7 thousand.
Regards,Glenn>
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fish
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 posted on May 7th, 2003 at 05:41 AM |
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oh yeah!!!!!! rev it out babeeee!!!
Drink and drive your a bloody idiot!!! make it home you'r a legend !!!!
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