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Need help! Cam to rod clearance
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harry_ss
New User
| Posts: 36
| Joined: 03/11
Posted: 12/27/12
07:02 PM
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hi everyone! i started building my 383 with scat cap screw stroker profile rods (6in) and found the cam to rod clearance is about 0.020in.
The camshaft is a comp cams 12-900-9:
duration:252/258 @.050
lift: .630/.630
ls: 106
intake centerline 106
Ive read that cam to rod clearance recomended is about 0.050 so what do you recomend me to do?
Can I take my camshaft to the machinist to reduce the base circle??
Thanks in adavance for your help!!
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 12/27/12
07:59 PM
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harry_ss
1.No don't do anything to the Cam.
2.Have you degreed the Cam?
3.If yes or you are going to leave it where it is.
4.There are only a couple rod bolt cap screws that are hitting.
5.MARK THE ROD BOLT WHERE IT HITS THE CAM. Then remove the piston and rod assembly.
6.Reassemble the connecting rod with the bolt. Just grind the Cap Screw or Rod Bolt head to achive .060 clearance.
7.If the assmbly was balanced not to worry the little bit you take off to get the clearance you need will not effect the balance.
8.Just recheck the clearance of the others when that one is out.
9. Clean and Reinstall any rods that you have to clearance.
Hope that helps you out. Remember .060 clearance.
One more thing did you check you piston to valve clearance?
Bob
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harry_ss
New User
| Posts: 36
| Joined: 03/11
Posted: 12/28/12
09:06 AM
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Ok! thanks for your help!
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skyeking
Addict
| Posts: 2583
| Joined: 08/09
Posted: 12/28/12
04:45 PM
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Hi BOB!!
skyeking
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 12/28/12
06:42 PM
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harry_ss
Your welcome. Good luck and have fun..
Bob
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 12/28/12
06:42 PM
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Hi Noel
Are you keeping an eye on me?
Bob
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