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Understanding cam specs?

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Old Jun 6, 2003 | 01:00 PM
  #1  
fordsuks91's Avatar
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From: central florida
Car: 89 Formula
Engine: 305
Transmission: 700r4
Axle/Gears: 3.73
Understanding cam specs?

What do all the cam specs mean? For example, this is the specs for a Crane Cam:

lobe sep, 112 deg. , Avd Duration Int/exh, 260/272
Valve lift int/ exh .427/.454

It says that that cam is rated from 1000- 4500 rpm.
What does the lode separation really do? How about the Duration and Valve lift? What does @50" int/ exh mean? How exactly is a cam rated for an rpm range? What does the rpm range depend on? Thanks a bunch for any info,
Danny
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Old Jun 6, 2003 | 01:27 PM
  #2  
RB83L69's Avatar
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Joined: Jul 1999
Posts: 18,457
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Go to cam school

http://www.compcams.com/catalog/

Start at page 7

Last edited by RB83L69; Jun 6, 2003 at 01:29 PM.
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Old Jun 6, 2003 | 03:09 PM
  #3  
ede's Avatar
ede
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Joined: Aug 1999
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From: Jackson County
or here http://www.holley.com/HiOctn/TechSer...IECCTech3.html
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Old Jun 6, 2003 | 03:29 PM
  #4  
MX265
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Chevy High Performance had a great article in a recent edition. Here is most of the article:

http://www.chevyhiperformance.com/te...48_0307_basic/

Now I just need to get more info myself on how to do the swap. But this article has a lot of good info.
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Old Jun 6, 2003 | 03:30 PM
  #5  
fordsuks91's Avatar
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Junior Member
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Joined: Sep 2001
Posts: 73
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From: central florida
Car: 89 Formula
Engine: 305
Transmission: 700r4
Axle/Gears: 3.73
Thanks alot guys!
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