Cam for LT1
04-11-2010, 10:31 PM
#1
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Join Date: Mar 2010
Location: Port Hueneme, CA
Posts: 73
Cam for LT1
I have a CAI, TB, headers and exhaust on my LT1. I have a programmer and I am not looking to do big things with this car. I just want some more horses under the hood. Which size cam would be best for me?
04-12-2010, 02:07 PM
#4
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Location: Port Hueneme, CA
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04-13-2010, 09:49 AM
#6
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Location: Tokeland, Washington
Posts: 105
04-13-2010, 09:55 AM
#7
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Join Date: Aug 2001
Location: Louisiana
Posts: 290
The cc503 cam is pretty widely used around here... Lots of people are running it with great results. A lot of people are also running the similar cc305 cam and are having good results with stock heads. I suggest you choose one of those with 1.6 rr's and change your springs to a higher quality piece. I changd out my pushrods with Thunder Racing's pushrods when I was in there, even though I don't think I'm going to have anything to worry about with such a small cam. Our cars are a very similar setup. I believe you will like the results.
Also, as mentioned above the 1.6 roller rockers will give you a nice gain and are far less costly and difficult to install. I might caution you though that if you choose to go this route don't cheap out. Buy from a reputable company like Comp, Crane, etc. Scopion, Proform, and the like may be cheaper, but most people here are not really inclined to support those brands. I personally found a nice set of used Crane 1.6 NSA rr's on the forum here. That was the route I chose when I was doing the top end on my motor.
I hope this has been helpful.
Also, as mentioned above the 1.6 roller rockers will give you a nice gain and are far less costly and difficult to install. I might caution you though that if you choose to go this route don't cheap out. Buy from a reputable company like Comp, Crane, etc. Scopion, Proform, and the like may be cheaper, but most people here are not really inclined to support those brands. I personally found a nice set of used Crane 1.6 NSA rr's on the forum here. That was the route I chose when I was doing the top end on my motor.
I hope this has been helpful.
04-13-2010, 10:02 AM
#8
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Join Date: May 2006
Location: Ohio
Posts: 1,856
Basic Operating RPM Range 1,800-5,800
Intake Duration at 050 inch Lift 218
Exhaust Duration at 050 inch Lift 224
Duration at 050 inch Lift 218 int./224 exh.
Advertised Duration 268 int./276 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.570 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.565 in.
Valve Lift with Factory Rocker Arm Ratio 0.570 int./0.565 exh. lift
Lobe Separation (degrees) 113
Grind Number 268XFI HR13
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Cam looks tiny to me, if that's big, mine is a monster. He will need new springs/hardware though, and if he puts 1.6 rocker on their the lifts numbers will be right around .600 I bet. I think I'd recommend a cc503 (just like everyone else) for a stock headed car.
04-13-2010, 11:58 AM
#9
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Join Date: Mar 2010
Location: Tokeland, Washington
Posts: 105
yes but he did say hes not looking for big hp gains and i was trying to let him know that putting a cam that size in would require added mods and to get the bang for the buck more mods would be in order. bomb with all that good stuff done to your motor why havnt you done your heads and intake yet?
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