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Pressure fed 3 bearing cranks
#1
I’m new to cars so go easy 
While waiting for a load of bits to turn up for my special I started work on my new engine. I got a nice crank case from forumn a member (cheers !) and set about making a new crank. Having drawin it all up on the computer and ordered my material I just wanted to work out how to route the oil to the big ends. Would it Be best to go all through the nose ? All through the centre bearing or abit of both. Well abit of both  is what’s I went for. To test the oiling system ive modified an old crank. Don’t worry I don’t plan on using this. There’s so much knowledge on here so I thought id get the ball rolling. My new crank has larger bearings and thicker Webs. To test it’s fit In the case I’m just 3d printing a life size model. Im sure a lot of you clever people are wondering why I don’t mod the case and fit a new 2brg crank. Well... my wallet and wheres the fun in that. Thanks so much to dave dye and Chris for the help. (The crank case has been line bored & stiffened.            
I plan to blank the ends of the holes and set it up in a case. To test what kind of flow rate pump I will need and what size I should drill the oil ways in my new crank. (The poor drawing shows the drilling)
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Messages In This Thread
Pressure fed 3 bearing cranks - by Jacob Fowkes - 16-01-2021, 07:33 PM
RE: Pressure fed 3 bearing cranks - by dickie65 - 16-01-2021, 09:25 PM
RE: Pressure fed 3 bearing cranks - by Bob Culver - 17-01-2021, 01:38 AM
RE: Pressure fed 3 bearing cranks - by dickie65 - 18-01-2021, 08:22 PM

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