Re: Is .002" rod bearing clearance to tight ?
[Re: rlm2268]
#1222456
04/26/12 02:40 AM
04/26/12 02:40 AM
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Joined: Jan 2004
Posts: 903 Saskatchewan, Canada
cudabin
super stock
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super stock
Joined: Jan 2004
Posts: 903
Saskatchewan, Canada
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I would shoot for .0025" to .003",
3/4 groove King Alelecular bearings are great!
Cheers,
Arnie
67 Cuda 8.48@ 158.7 mph 1.18 60' 2,600 DA(so far...)
70 Super Bee 440 Six Pack 4-speed. 13.2 @ 104 Stock exhaust/Street tires.
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Re: Is .002" rod bearing clearance to tight ?
[Re: rlm2268]
#1222457
04/26/12 04:24 AM
04/26/12 04:24 AM
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Joined: Apr 2004
Posts: 1,056 Mt.Vernon IL
Twin Turbo Mower
super stock
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super stock
Joined: Apr 2004
Posts: 1,056
Mt.Vernon IL
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Quote:
Do You think .002" rod bearing clearance is to tight for a street strip type 500" motor turning 6500-6800 rpm. Or should I try and get another bearing set in .001 looser and use half the set or the whole set to try to get it .0025"-.003" p.s my bearings are clevite CB-527 HD .
Yes too tight buy the .001 loser and you will be fine. My friend did the same thing been running his 511 for 3 years now.
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Re: Is .002" rod bearing clearance to tight ?
[Re: rlm2268]
#1222461
04/26/12 10:00 AM
04/26/12 10:00 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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There is a rule of thumb for clearance... its something like .001 per every inch of diameter (dont quote me on that number... I forget what it is)
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Re: Is .002" rod bearing clearance to tight ?
[Re: rlm2268]
#1222463
04/26/12 10:23 AM
04/26/12 10:23 AM
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Joined: Aug 2003
Posts: 11,179 Atco NJ
DJVCuda
I Live Here
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I Live Here
Joined: Aug 2003
Posts: 11,179
Atco NJ
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Quote:
Hi, I used a mic. on the crank and used a snap type guage on the rods and measured it with the mic. My full groove mains came out between .0025-003
better to be a little loose then a little tight.
were you able to repeat the results with the snap gauge? I find it difficult to get that precise with them and prefer to use an inside mic to be exact.
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Re: Is .002" rod bearing clearance to tight ?
[Re: Cab_Burge]
#1222468
04/26/12 01:25 PM
04/26/12 01:25 PM
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Joined: Feb 2005
Posts: 370 Real North Cal.
66er
enthusiast
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enthusiast
Joined: Feb 2005
Posts: 370
Real North Cal.
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Quote:
Quote:
do you have Mopar or Chevy size?
The CB527 sereis bearings are for the standard BB Mopar rod journals, 2.375 diameter. The HD are narrower, and have a chamfer on the crank side ,than the standard rod bearings are OP, your crank rod journals must be ground on the large size of the specs, usually when I used the HD bearings I ended up with .003 to .0038 clearances thats using a inside mike to get the diameter and then using the outside mike to see what size it was on the inside of the bearing. I now have several dial bore gauges and they are easier to see the clearances once you get them set up, modern technology
Yep, I see that now. I missed the number when I read the post
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Re: Is .002" rod bearing clearance to tight ?
[Re: rlm2268]
#1222472
04/27/12 11:26 AM
04/27/12 11:26 AM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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Quote:
... I see you weren't kidding on the cost of the X .001 bearings, like around $200.00 for rod bearings now what to do?
Unfortunately, nobody ever said this hobby was cheap... or that all the "right" parts will always bolt together w/o any unforseen hassles. I do feel your pain...
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