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Old 10-20-2016, 01:25 PM   #29
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Quote:
Originally Posted by TSloper View Post
19303897
LT1 Hot Cam NEW!
I: .577 / E: .577
I:228/E:248
116.5
Design for 1.81:1 rocker arms; requires non-afm lifters (See warranty statement on page 35)
I like it from my LS1 days, I get scared at high lift street cams, rocker trunion, valve spring and pushrod failures. .577, I'll give up 15 HP for 100,000 mile no issues. Most cams for the LT1 are like .627
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Old 10-20-2016, 01:58 PM   #30
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let me guess, our stock Rocker arms are not 1.81? and GMPP sells those rockers?
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Old 10-20-2016, 02:13 PM   #31
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Quote:
Originally Posted by TSloper View Post
19303897
LT1 Hot Cam NEW!
I: .577 / E: .577
I:228/E:248
116.5
Design for 1.81:1 rocker arms; requires non-afm lifters (See warranty statement on page 35)
This would be a 'mild' cam? Lower lift so not so choppy like a .65?/65?.
Longer duration as well?
So better flow and RPM usage.

Sorry, thats my basic cam knowledge for now. It's been awhile...
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Old 10-20-2016, 02:27 PM   #32
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just from looking at the numbers and a simplified overlap calculation of plus 5*, I would say it will be a pretty choppy idle.
but it WILL have stable idle, giving good vacuum, and still delivering good torque for a excellent street/strip setup.

the lift can be looked at as power curve amplitude. the more lift, the more you raise the curve, just as it sits, across the entire RPM band
moderate lift numbers, you sacrafice a little power for spring life. although power from lift is not linear..if you really know what you're doing(being that they sell the heads with the cam, i would expect they did this)...you can look at flow characteristics, also valve stability. if you hammer the valve to the point that it flutters, you'll lose power and greatly reduce spring and lifter life. beneficial to stay away from that condition to say the least
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Old 10-20-2016, 08:49 PM   #33
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The kit doesnt mention it but do you need the phase limiter
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Old 10-20-2016, 09:35 PM   #34
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Originally Posted by Nicul15 View Post
let me guess, our stock Rocker arms are not 1.81? and GMPP sells those rockers?
I think the stock rockers are 1.8
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Old 10-21-2016, 11:53 AM   #35
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Stock rockers are 1.8
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Old 10-21-2016, 06:30 PM   #36
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Inquring minds want to know.

Quote:
Originally Posted by jayb998 View Post
Just got in the hot cam and CNC heads form GM Performance parts today for my 2016 m6 camaro should be in the shop in a couple weeks, gotta get the tuner free to come tune it. My local dealer is doing the install and is going to stand behind all the parts and labor during the factory warranty period. Im going to get some before and after runs on the same dyno for comparison.
Hello,

Please keep us updated on the process. I've been mulling those options over for a few days now and really would like to know what to expect.

Kindest,

Donner
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Old 10-21-2016, 08:35 PM   #37
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Originally Posted by Donner View Post
Hello,

Please keep us updated on the process. I've been mulling those options over for a few days now and really would like to know what to expect.

Kindest,

Donner
+1
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Old 10-21-2016, 10:14 PM   #38
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I wonder what percentage of a fuel pump lobe the new hot cam comes with... Could use a 38% increase for a future supercharger
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Old 11-01-2016, 09:29 AM   #39
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http://www.hotrod.com/articles/new-l...cam-tensema16/

I'm assuming this is the same cam and head combo.
So here are all the numbers we could expect from it.
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Old 11-01-2016, 09:58 AM   #40
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around 75hp? is that right?
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Old 11-01-2016, 10:15 AM   #41
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Sure looks like it.
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Old 11-01-2016, 10:17 AM   #42
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around 75hp? is that right?
Yeah at the crank. so about 60 -55 at the wheels? Sounds like a legit upgrade to me! I wonder what the curve looks like.
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