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IHADAV8.com - Turbo Buick Tech, and Nonsense
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Cam bearing clocking?
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Topic: Cam bearing clocking? (Read 2390 times)
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quick72toy
Bone Stock
Posts: 51
PSI: 0
Cam bearing clocking?
«
on:
June 13 2013, 11:16:53 PM »
I have a Stage 1 block and wanted to change out the cam bearing for the new cam. But I noticed that the new cam does not have a groove in it, I picked upt a bearing set that had a groove on the back side.
I Need some help trying to figure out how to clock this new bearing with the two oil holes.
Do I clock it to line up with the block holes, or offset it to direct more oil to the mains, or will that not make any difference because it has a backside groove?
Pics below show what I have
Thanks
DSC03904
by
quick72toy
, on Flickr
DSC03909
by
quick72toy
, on Flickr
DSC03910
by
quick72toy
, on Flickr
DSC03915
by
quick72toy
, on Flickr
Logged
1972 Toyota Celica 87 TR drive train
Motor 30 over, 10/10 crank, HV.oil pump, P&P heads, PTE 44, Hot wired GSS 340, 52lb Siemens, mod ECM, Speedpro 204/214, Dutweiller big neck intercooler, 62 mm TB, Power Plate, Hot wired coilpack AC CR42’s, Postons headers, MAFTPro, LC1 WB O2 sensor, Alky kit
Steve Wood
Turbo Street Outlaw
Posts: 9950
PSI: 34
Re: Cam bearing clocking?
«
Reply #1 on:
June 14 2013, 12:02:55 AM »
There was once a lot of discussion on this and a number of means of approaching the problem. I think Norbs was reengineering the block but then his car is still in the driveway ten years later so I don't know what he did.
TA Performance had this to say about the bearings they supplied but I don't know if it is applicable to your situation or not
http://www.taperformance.com/proddetail.asp?prod=TA_1556
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Steve Wood
http://www.vortexbuicks-etc.com
A lot of broken parts does not make you a racer; it makes you a slow learner.
quick72toy
Bone Stock
Posts: 51
PSI: 0
Re: Cam bearing clocking?
«
Reply #2 on:
June 14 2013, 12:03:09 PM »
I've been looking at a bunch of old post on all the boards, and have found a bunch of methods. None seem to apply to my particular bearing. (Which I'm now suspecting might have been modified. Instructions say to clock 'the' hole to 3.00 o'clock )
I'll have to ask Norbs what he did to his, but then I might be opening Pandora's box lol.
I did have the TA info but thanks for posting.
I either have to confirm that there is actually two holes in the B-12B bearing, and try to clock it so the drivers side feed hole is covered, or get the correct bearing if it is supposed to have only one hole.
Logged
1972 Toyota Celica 87 TR drive train
Motor 30 over, 10/10 crank, HV.oil pump, P&P heads, PTE 44, Hot wired GSS 340, 52lb Siemens, mod ECM, Speedpro 204/214, Dutweiller big neck intercooler, 62 mm TB, Power Plate, Hot wired coilpack AC CR42’s, Postons headers, MAFTPro, LC1 WB O2 sensor, Alky kit
Just a Six?
OK Now who Farted??
Turbo Street Eliminator
Posts: 1253
PSI: 2
Re: Cam bearing clocking?
«
Reply #3 on:
June 14 2013, 01:23:09 PM »
Paul glad to see you found your way over here!
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David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy
quick72toy
Bone Stock
Posts: 51
PSI: 0
Re: Cam bearing clocking?
«
Reply #4 on:
June 14 2013, 05:05:49 PM »
Thanks David,
I'm just getting back into the car stuff again.
Cheers,
Paul
Logged
1972 Toyota Celica 87 TR drive train
Motor 30 over, 10/10 crank, HV.oil pump, P&P heads, PTE 44, Hot wired GSS 340, 52lb Siemens, mod ECM, Speedpro 204/214, Dutweiller big neck intercooler, 62 mm TB, Power Plate, Hot wired coilpack AC CR42’s, Postons headers, MAFTPro, LC1 WB O2 sensor, Alky kit
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Cam bearing clocking?
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