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Original Message
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| 390 camshaft for heavy truck |
| By Jay - 04/24/2004 10:19:43 AM; IP 207.69.139.8 |
| I have a 1967 F250 4x4 with a 390. Motor has flat tops and C8AE-H heads that I installed 2.09 int and 1.65 exh valves in. I also cleaned up the bowls. I am running a perormer rpm intake cuz I actually built the motor for my other vehicle. I took the motor out and installed it in my F250 and left the rpm intake. The only change I made was the camshaft. I switched out the lunati mechanical for a cam research hyd. The specs on this cam are .218 int and .225 exh witha .530 lift ona 110 sep. I now realize this cam does not have nearly enough low end grunt. I would appeciate any help and info on cam selection. I spoke with Lunati and learned they aquired Mr Brookshire who used to design cams for ultradyne. I have heard his designs were superior to others. They recomended a .207 int, .217 exh with .507 and .533 lift on a 112 sep. Sound about right to you guys? Thanks |
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