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Old 01-27-2004, 04:35 PM   #1
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Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

I know the specs @ .050 lift 218 228, .525 lift with 1.6, .492 with 1.5 rockers. I would like a cam card to help me better degree in the cam for my friends buildup. I need IVO, IVC, EVO, EVC events. Thanks!
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Corrected ET 13.74 @99.5 MPH
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Old 01-27-2004, 09:34 PM   #2
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not a cam card. but according to DD2000 the LT4 hot cam numbers are as follows:

IVO = 0.3
IVC = 38.8
EVO = 49.1
EVC = -0.2

hope this helps.
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Old 01-28-2004, 12:42 PM   #3
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What intake centerline did you use when you entered those specs? I know the lobe sep is 112 but what's the darn centerline #?
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Old 01-28-2004, 12:53 PM   #4
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It's probably ground with 108* ICA since most small block Chevys operate best with 4*, but that doesn't matter. You can make it whatever you want.

The specs mrr23 gave put it at 109.3* ATDC if that helps.
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Old 01-28-2004, 05:48 PM   #5
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i didn't put those in. these specs came with the program

lobe center 111.9

oh yeah and theses specs are at .050 duration.
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Old 01-28-2004, 07:32 PM   #6
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icl intake 109 degrees
icl exhaust 115 degrees
@.006 272/281
@0.050 219/228
ls 112

lift 328/328

Specs from my 24502586 Hot Camshaft
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Old 01-28-2004, 07:32 PM   #7
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.

Last edited by smithtc; 01-28-2004 at 10:03 PM.
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Old 01-28-2004, 07:36 PM   #8
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Quote:
Originally posted by mrr23
i didn't put those in.
I never said you did. Read.
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Old 01-29-2004, 02:29 AM   #9
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This link has the events at 0.05

http://www.sallee-chevrolet.com/wwwb...sages/132.html


David
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Old 02-03-2009, 09:44 PM   #10
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

I'm bringing this back up.
I've been searching the web for over 30 minutes and it seems nobody has a cam card for the LT4 hot cam.
If anyone has the car info or has degreed the cam themselves please post the specs from the card!
Thank you.
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Old 02-03-2009, 09:47 PM   #11
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

These specs just turned up.
Can anyone confirm these?

Intake open: 30.5 BTDC Intake close: 68.5 ABDC
Exhaust open: 78.5 BBDC Exhaust close: 28.5 ATDC
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Old 02-04-2009, 08:02 AM   #12
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

Looking for the .050" specs.
anyone?
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Old 02-04-2009, 08:55 AM   #13
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

Thats the same as POST #6, and #2 which is @.050
rounded off...
IVO 1
IVC 39
EVO 50
EVC 0

Last edited by zipfast; 02-04-2009 at 09:00 AM.
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Old 02-04-2009, 09:03 AM   #14
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

Quote:
Originally Posted by zipfast View Post
Thats the same as POST #6, and #2 which is @.050
rounded off...
IVO 1
IVC 39
EVO 50
EVC 0
I saw that but was wondering what was actually on the cam-card or if anyone had checked it with a degree wheel.
Thanks for your reply.
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Old 02-09-2009, 12:29 AM   #15
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

ttt
I'd like to eventually get the info here so it will show up if someone searches for this.
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Old 03-15-2010, 12:01 PM   #16
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

Click the image to open in full size.
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Old 04-14-2010, 04:36 PM   #17
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

The Lunati 50143 is very similar to the LT4 Hot Cam. I would venture to say it is identical for all intents and purposes.

219 / 227 (@ .05" lift)
.471" / .480" (1.5 rocker ratio)
IVO - 1.5*
IVC - 37.5*
EVO - 49.5*
EVC - -2.5*

Centerline - 108*
Lobe Separation - 112*

CG
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Old 06-08-2010, 05:15 PM   #18
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Re: Does anyone have an actual CAM CARD for GM's LT4 HOT cam??

It's a better choice for Vortec heads.
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Old 06-08-2010, 05:15 PM
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