What Cam for a 6.0????
07-25-2011, 09:28 PM
#1
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What Cam for a 6.0???? I'm building a 6.0 with LS3 heads. I have a set of PSI behive springs that are good to .625 lift. What cam would be good for a pro street pickup setup with 3600 stall 350th and 3:70 gears in a 9 inch. I have a 780 custom built vacuum secondary holley and victor jr intake. Looking for a cam that is good for street and strip. Rough idle would be ok but I do want to have a/c as a option. What do you guys think???
07-25-2011, 10:25 PM
#3
agreed...... power brakes? i know everybody says go with a venders custom grind, but if u do the research comps lsr grinds are tough to beat with the L92s if u want some lope at idle id go for something in the 220s/240s at .050 and 620s lift on 111/112. should give an lopey idle with good street manners and plenty of stability for power brakes. just my .02
07-26-2011, 08:12 PM
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What brand of cam should I go with? What about the PSI valve springs as far as quality and durability? Can you go up to. 617/.624 lift with .625 max lift springs?
07-26-2011, 08:22 PM
#6
ive always had good luck with comp cams. big fan of the LSR series. as far as springs go, i always go with the manufacters recommendation .they have done the research and know what works with their lobes.to me any other spring is a crap shoot. good luck with your build!
07-26-2011, 09:36 PM
#7
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Be c arefull on the cam selection if you are using stock pistons. Unless you measure valve to piston clearance and flycut you might need a diferent cam.
Aleck
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07-29-2011, 06:47 PM
#10
What is the weight of your truck? Don't want to overcam and make it a pig.
For your goals, combo and desire to not notch the pistons, something like the GM ASA Hot cam is a good choice.
.525/.525 226/236 110LSA
The 110LSA will definitely work well with a carb setup and will operate without any valvetrain problems.
Yes, there are probably better choices, but the ASA is a solid performer within your parameters.
Easy 530+ HP with the ASA Hot Cam.
- allblowedup on this board has tested it at 560hp in the CT525.
Call one of the vendors on this board for a custom spec cam, Engine Power Systems, Texas Speed, Pat G, Rapid Motorsports, ect.
http://www.youtube.com/watch?v=b3OMxvW802k
Last edited by topbrent; 07-29-2011 at 08:03 PM.
07-29-2011, 08:04 PM
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Ok talked to a fellow at Comp. He speced me a cam 54-470-11 for my pickup and said I wouldn't have to notch anything and clearances should be good. My truck weighs about 3600 lb's. This cam he speced me has 235/251 at .050 and .621/.624 lift with a 109 degree centerline. This sounds like a whole lot of cam for a streetable setup. This is not goona be a daily driver but I do want to be able to drive it to town for burger all along. I want a good well rounded setup for a pro street feel and sound. Do you guys think this is too much cam? I'm so use to a gen 1 small block so these numbers look huge to me for occasional street use.
07-29-2011, 08:28 PM
#12
That 54-470-11 comp cam has a pretty wide LSA at 113°. That 109° is the installed intake centerline, not the lsa.
If it were me, I would run something with a tighter LSA than 113° on a carbed 6.0 at 3600+lbs.
For little or no extra money, one of the good guys on this board can spec you a custom cam designed for a carb, that will certainly make more power than any of the catalog cams which are usually designed for fuel injected motors.
However, TXoldskool is running the Comp LSR Cam (223/231 .610/.617) 112 LSA 54-457-11 in his LY6 68 pickup truck (6.0 l92 heads) and has been very pleased.
If it were me, I would run something with a tighter LSA than 113° on a carbed 6.0 at 3600+lbs.
For little or no extra money, one of the good guys on this board can spec you a custom cam designed for a carb, that will certainly make more power than any of the catalog cams which are usually designed for fuel injected motors.
However, TXoldskool is running the Comp LSR Cam (223/231 .610/.617) 112 LSA 54-457-11 in his LY6 68 pickup truck (6.0 l92 heads) and has been very pleased.
Last edited by topbrent; 07-29-2011 at 08:42 PM.
07-29-2011, 08:39 PM
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08-21-2011, 01:15 AM
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Ok talked to a fellow at Comp. He speced me a cam 54-470-11 for my pickup and said I wouldn't have to notch anything and clearances should be good. My truck weighs about 3600 lb's. This cam he speced me has 235/251 at .050 and .621/.624 lift with a 109 degree centerline. This sounds like a whole lot of cam for a streetable setup. This is not goona be a daily driver but I do want to be able to drive it to town for burger all along. I want a good well rounded setup for a pro street feel and sound. Do you guys think this is too much cam? I'm so use to a gen 1 small block so these numbers look huge to me for occasional street use.
(To everyone who says "always check ptv clearance" : Of course this needs to be done, but it would be nice to have a good idea of what will fit so I'm not buying a cam only to find out it won't work, then having to sell it and take a huge loss.)
08-21-2011, 10:40 AM
#18
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I have an EPS cam for my 57 Chevy Truck...226, 230...598, 600...111 LSA, 107 ICL. Unfortunately, I haven't started the motor yet but I am suppose to be able to shift at 6000 according to my spec expert (Pat G). There are a few posts about the EPS cams putting down some good numbers...custom is the way to go!!!
