Camshaft install tips and tricks
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(→Engine RPM for break in) |
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'''11. Failure to clearance lifters in their bores so that they spin freely.''' | '''11. Failure to clearance lifters in their bores so that they spin freely.''' | ||
| − | Lifter clearance should be 0.0012" to 0.002", with 0.0015" (one and one/half thousandths) considered close to ideal. Too loose is as bad as too tight. One more way to "bulletproof" a flat tappet installation is to groove the lifter bores for oiling the cam lobes. | + | Lifter clearance should be 0.0012" to 0.002", with 0.0015" (one and one/half thousandths) considered close to ideal. Too loose is as bad as too tight. One more way to "bulletproof" a flat tappet installation is to groove the lifter bores for oiling the cam lobes. Here is the CompCams tool offered by Summit..... |
| + | http://www.summitracing.com/parts/CCA-5003/ | ||
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'''16. Failure to use new lifters on a used cam.''' | '''16. Failure to use new lifters on a used cam.''' | ||
| − | Used lifters should only be used on the very same cam, in the very same block, and in the very same positions they were removed from. Chances that the lifter bores will be machined on the very same angles on a different block as the block the lifters came out of are about equal to you hitting the lottery. If you purchase a used flat tappet cam from a swap meet or yard sale, plan on using it for a doorstop. | + | Used lifters should only be used on the very same cam, in the very same block, and in the very same positions they were removed from. Chances that the lifter bores will be machined on the very same angles on a different block as the block the lifters came out of are about equal to you hitting the lottery. If you purchase a used flat tappet cam from a swap meet or yard sale, plan on using it for a doorstop. |
==Miscellaneous== | ==Miscellaneous== | ||
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