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98-00 Cam Pro Data

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Old 01-10-2005, 08:16 PM
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Default 98-00 Cam Pro Data

this is my 98 cam i gave steve. he put it on his cam pro to add the data to his collection. this is an "if you ever wanted to know" type post.



Old 01-11-2005, 04:19 PM
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Thank You!

I appreciate this greatly. And any others you may have or find! As a GM Parts salesman if amazes me the utter lack of info available to me and so I try to find as much GM "performance" info as possible.

Again, much thanks, jrp!
Old 01-12-2005, 03:28 PM
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Using the formula from this thread ID-ED/4-LSA*2=OL with this information, 199.1+210.1/4-119.6 I get -34.6 for the overlap. The cam pro shows -35.1 for the overlap. Although the numbers are close, I'm wondering if I missed something when I put the numbers in the formula?
Old 01-12-2005, 04:42 PM
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Good info! thanks
Old 01-12-2005, 06:01 PM
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Originally Posted by TAQuickness
Using the formula from this thread ID-ED/4-LSA*2=OL with this information, 199.1+210.1/4-119.6 I get -34.6 for the overlap. The cam pro shows -35.1 for the overlap. Although the numbers are close, I'm wondering if I missed something when I put the numbers in the formula?
No.

Whenever you put a cam on a 'Cam Pro' or 'Cam Doctor' you'll get to see how the cam is always slightly off from what the advertised specs are. Every cam company does their best to minimize these differences, and their are tolerances setup for quality control purposes.
Old 01-12-2005, 06:49 PM
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Finally! Now I can calculate the exact dynamic compression of my motor...at least if my '00 cam is the same as the '98 cam (should be).
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2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
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Old 01-12-2005, 07:09 PM
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According to J-Rod's calculator, the dynamic compression of a stock LS1 long block with a stock cam is 6.977. Hmmmm...
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 01-12-2005, 07:21 PM
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Originally Posted by Patrick G
According to J-Rod's calculator, the dynamic compression of a stock LS1 long block with a stock cam is 6.977. Hmmmm...
ya, i come up with 7.008 as the DRC using a different calculator. my own DCR i 8.5 with a SCR of 12.02
Old 01-13-2005, 09:09 AM
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Let's just call the stock dynamic compression 7.0 even. I'm going to compare this to some other cam-only setups. Remind me again, what's the ideal dynamic compression for our motors?
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 01-13-2005, 09:27 AM
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Just for grins, I plugged in the specs of my favorite cam-only setup with stock manifolds: Cam Motion 217/225 .588/.588 113LSA, 115ICL. Got 7.76:1 dynamic compression. That's a step in the right direction. I wonder what the dynamic compression is on the '01-02 F-body cam and the '02-04 LS6 cam in a stock LS1. Anyone have the valve timing events for those cams? Good thread BTW Jerami.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 01-13-2005, 11:39 AM
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Originally Posted by KingCrapBox
No.

Whenever you put a cam on a 'Cam Pro' or 'Cam Doctor' you'll get to see how the cam is always slightly off from what the advertised specs are. Every cam company does their best to minimize these differences, and their are tolerances setup for quality control purposes.
Trying to figure out what I'm missing, or, in otherwords, how is the Cam Pro coming up with the overlap figure? I used the specs on the cam pro sheet, and when I crunch the numbers, I end up with an overlap 0.5* less than what is on the cam pro sheet.

Is the cam pro data calculated or measured? I assume it's measured. So assuming it's measured, what other characteristics of the cam lobes are effecting the overlap?
Old 01-13-2005, 04:30 PM
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Originally Posted by TAQuickness
Is the cam pro data calculated or measured? I assume it's measured. So assuming it's measured, what other characteristics of the cam lobes are effecting the overlap?
That I'm actually not sure about. Perhaps one of the cam guys can clear this up for us.
Old 01-13-2005, 09:22 PM
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JRP - what formula did you use to figure you DCR? I just calculated mine using a program I found on the internet and came up with 10.8:1 SCR and 9.6:1 DCR.... Seems a bit high to me.
Old 01-13-2005, 09:36 PM
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i used this one
Old 01-14-2005, 06:45 AM
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I used the same one to get my initial numbers.
Old 03-31-2005, 10:15 AM
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The numbers listed are at 0.004" valve lift. Most published numbers are 0.006" vavle lift. Even with that change the DCR will change a bit but not too much.

Patrick G, which numbers did you use?

JRP.... Do you have any detontation problems with that high of DCR in your motor?
Old 03-31-2005, 10:24 AM
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I used the numbers at .006".
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.



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