Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

Best cam for power

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Old Jan 1, 2010 | 11:02 AM
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Default Best cam for power

Hi all

I'm currently working on a built 454 engine. But wonder if I should switch my cam for a bigger one. It's a comp 244/244 0.550.

Pistons are dome with -22.00 cc & heads will be AFR 325.
Edlebrock 454-R intake
Holly 4160-hp 750 cfm carb.

Should I get bigger cam? what compression ration will I be getting?

Thanks

Last edited by muayyadf1; Jan 1, 2010 at 11:22 AM.
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Old Jan 1, 2010 | 03:14 PM
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if you're running compression around 10:1 then yeah you could get away with more cam. you may need a bigger carb though. and make sure you check your piston to valve clearance because you're starting to get up there in lift.
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Old Jan 1, 2010 | 03:15 PM
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rule of thumb when choosing a cam, if you're stuck deciding between two cams, take the smaller one. you'll almost always be better off
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Old Jan 1, 2010 | 04:26 PM
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You should look into the comp XE cam i was going to use in my big block, 248/254 @.050 with .580 .590 lift. Hyd roller.
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Old Jan 1, 2010 | 11:33 PM
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But that cam won't give me troubles with PTV clearance?
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Old Jan 2, 2010 | 06:53 AM
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You will need to always check it anyways, but i seriously doubt it.
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Old Jan 2, 2010 | 09:24 AM
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I will check with solid lifters anyway. I don't want to buy something to sell it.

Thanks
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Old Jan 2, 2010 | 12:40 PM
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It is hydraulic roller.
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Old Jan 3, 2010 | 02:18 AM
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yeah I know, But I will check only ptv clearance with solids. But won't go roller anyway
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Old Jan 3, 2010 | 06:41 AM
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Damn, i refuse to use anything but roller.
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