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Brazilian case, dual pressure relief, can oil pickup be swapped out?
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Topic: Brazilian case, dual pressure relief, can oil pickup be swapped out? (Read 4643 times)
Jim Ratto
Hero Member
Posts: 7121
Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
on:
April 03, 2008, 05:57:52 am »
I'm sitting on a nice, cherry STD Brazilian dual pressure relief case, ready to go for 2332cc except it has a puny little oil pickup. Can a late model German pickup be swapped in easily?
And what about bell-mouthing the sump-extension pipe at the bottom end? Good idea?
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jr59
Full Member
Posts: 126
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #1 on:
April 03, 2008, 08:47:46 am »
HI,
Well no PB if you want to chane to a good old german pick up.It will go in the same place.You will just have to recell (with loctite) the tube running in the case to avoid air scavenging .
I don't trust on bell mounting ,the best way...weld it!
PS: even if it's not the question,control the case for bearing size ...I had some surprise on the last I used (even new "vw factory"!!)
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http://speedshop.skynetblogs.be/#
qubek
Sr. Member
Posts: 300
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #2 on:
April 03, 2008, 09:00:34 am »
Quote from: jr59 on April 03, 2008, 08:47:46 am
PS: even if it's not the question,control the case for bearing size ...I had some surprise on the last I used (even new "vw factory"!!)
Me too. One main bearing seat was good, one was fair and one was out of round
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I have repro BRMs and I'm proud! :]
Jim Ratto
Hero Member
Posts: 7121
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #3 on:
April 03, 2008, 17:52:58 pm »
Quote from: jr59 on April 03, 2008, 08:47:46 am
HI,
Well no PB if you want to chane to a good old german pick up.It will go in the same place.You will just have to recell (with loctite) the tube running in the case to avoid air scavenging .
I don't trust on bell mounting ,the best way...weld it!
PS: even if it's not the question,control the case for bearing size ...I had some surprise on the last I used (even new "vw factory"!!)
NO kidding!!!! I learned that trying to put a motor together last year. Torque case to 27ft lb and crank seized. Center main saddle was tapered!!!!
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Jim Ratto
Hero Member
Posts: 7121
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #4 on:
April 03, 2008, 18:25:16 pm »
Quote from: jr59 on April 03, 2008, 08:47:46 am
HI,
Well no PB if you want to chane to a good old german pick up.It will go in the same place.You will just have to recell (with loctite) the tube running in the case to avoid air scavenging .
I don't trust on bell mounting ,the best way...weld it!
PS: even if it's not the question,control the case for bearing size ...I had some surprise on the last I used (even new "vw factory"!!)
By bell-mouthing the sump pickup, I just mean flaring the opening at the strainer end, so it resembles an IDA velocity stack upside down.
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NoBars
Full Member
Posts: 214
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #5 on:
April 03, 2008, 18:46:32 pm »
On a similar note... how about a pickup in the rear of the sump feeding into the pump via an external line, I saw this somewhere recently (Mike Lawless?) but the pump was a "stage and a half", not a regular pump. Maybe block off the internal input side like when full flowing (blocking the output) and using one of those berg covers that continue the boss across the cover, machined to allow the input. Just someting I have been contemplating while thinking about going through my motor next winter.
If you don't want to go this route,or it is not viable, maybe AN hard line internally with something to hold the pickup in place to prevent vibration cracks?
Anthony
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My real name is Anthony Consorte.
Jim Ratto
Hero Member
Posts: 7121
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #6 on:
April 03, 2008, 18:50:26 pm »
Quote from: NoBars on April 03, 2008, 18:46:32 pm
On a similar note... how about a pickup in the rear of the sump feeding into the pump via an external line, I saw this somewhere recently (Mike Lawless?) but the pump was a "stage and a half", not a regular pump. Maybe block off the internal input side like when full flowing (blocking the output) and using one of those berg covers that continue the boss across the cover, machined to allow the input. Just someting I have been contemplating while thinking about going through my motor next winter.
If you don't want to go this route,or it is not viable, maybe AN hard line internally with something to hold the pickup in place to prevent vibration cracks?
Anthony
that's an idea. But this is just a simple street motor. I wonder how efficiently an oil pump would be fed from the face of the gears instead of feeding the shilloutte of the gears? I would think the feed thru side of pump would allow more volume to be fed, especially if pump is modified to fill more area of the the drive and idler gear. Oh well this is beginning to get off topic...
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Roman
Hero Member
Posts: 656
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #7 on:
April 03, 2008, 19:28:11 pm »
I have an autocraft oil pickup with screen and bellmouth and I really like it. Two years ago I had a nut for the sump that vibrated loose and got sucked up by the pickup.
I wondered why I had so big problems with the oil pressure until I found the problem... With the screen I could have avoided it.
I know JPM is using a Ford Pinto bell mouth/screen on some engines.
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Jim Ratto
Hero Member
Posts: 7121
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #8 on:
April 03, 2008, 19:49:12 pm »
Quote from: Roman on April 03, 2008, 19:28:11 pm
I have an autocraft oil pickup with screen and bellmouth and I really like it. Two years ago I had a nut for the sump that vibrated loose and got sucked up by the pickup.
I wondered why I had so big problems with the oil pressure until I found the problem... With the screen I could have avoided it.
I know JPM is using a Ford Pinto bell mouth/screen on some engines.
by my VDO gauge (not accurate I am sure) at road going temperature, and 3800rpm, I saw an increase in pressure just under 10psi indicated by removing the stock VW strainer and using just the cattle magnet.
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Harry/FDK
Hero Member
Posts: 3613
Every Rule Was Made To Break, Even Callook...
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #9 on:
April 03, 2008, 20:35:38 pm »
Quote from: Jim Ratto on April 03, 2008, 18:25:16 pm
Quote from: jr59 on April 03, 2008, 08:47:46 am
HI,
Well no PB if you want to chane to a good old german pick up.It will go in the same place.You will just have to recell (with loctite) the tube running in the case to avoid air scavenging .
I don't trust on bell mounting ,the best way...weld it!
PS: even if it's not the question,control the case for bearing size ...I had some surprise on the last I used (even new "vw factory"!!)
By bell-mouthing the sump pickup, I just mean flaring the opening at the strainer end, so it resembles an IDA velocity stack upside down.
That's what i do to all sump pick-ups and then i weld a half round shield on the pully side to "catch"' oil.
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Done ? Not Yet.
Tony M
Hero Member
Posts: 544
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #10 on:
April 04, 2008, 02:22:37 am »
Hey Jim - i have had a few out - and have changed some over - loc tite it back in - what about the mini sump with the drop sump cover w/ screened pick-up - all ways wanted to try one
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Life is too fast to drive a slow VW
Peter
Hero Member
Posts: 1301
Re: Brazilian case, dual pressure relief, can oil pickup be swapped out?
«
Reply #11 on:
April 04, 2008, 11:31:33 am »
i heard that the mesh of brazilian screen has bigger holes than the germans screens..
i thought about drilling holes in the screen that are small enough so a nut can not pass...
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