INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

4.8 cam

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Old 10-22-2011 | 10:29 PM
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From: Austin
Default 4.8 cam

got a 03 silverado 4.8 and am looking for a good cam and the push rods its a daily driver and want a cam that adds some power but doesnt kill mpg any help would be great
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pics?
Old 10-24-2011 | 08:06 PM
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this question has been asked many times,even by me and all i got was 6.0 swap or boost it.and i have been looking at the eps truck torque 1 cam.i have been told anything bigger than stock is just going to make that motor a slug.so i have been saving up (still)for the 6.0 swap.
Old 10-24-2011 | 08:12 PM
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Look through BlackGMC's old threads..He went pretty quick with his cam'd 4.8 on a fairly small cam..
Old 10-24-2011 | 10:06 PM
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Texas speed spec'd me a 212/216 on a 114lsa that works good in my 4.8 it idles almost stock
Old 10-24-2011 | 11:28 PM
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Originally Posted by andrew383
Look through BlackGMC's old threads..He went pretty quick with his cam'd 4.8 on a fairly small cam..
my friend bought COREY'S old cam and it is a 214/220 .600/.597 108+2 lsa 106 ICL ..my friend put down 340rwhp in a rcsb 5.3 stock heads with a circle d 278mm 3k stall and 4.10's
Old 11-08-2011 | 12:43 PM
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Comp 265 low lift on 114 (212/.522"/.529" on 114*) with LT's, tried and true. Just installed mine in my 5.3 and it makes more power everywhere, torque is awesome from 1800 on up. Lots of write ups on this combo.
Old 11-08-2011 | 01:27 PM
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I have the Comp 212 218 114LSA low lift in my 4.8 and love it. I daily drive it and it didn't kill my milage to much, maybe 1-2mpg drop around town. It also sounds pretty mean for a small cam:

The video is pre-tune, but it still lopes quite a bit after the tune as well.
Old 11-08-2011 | 01:44 PM
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I had a 221/226 .567/.564 on a 114 in a 4.8. -3* overlap, nice blubbery idle, but works with stock converter, pulls like mad. A 2800 stall would be pretty nice with that cam too.
Old 11-08-2011 | 03:01 PM
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well i got a 232 242 600 610 110 +2 from comp cam im willin gto sale it at the right price if intrested feel free to text me and i can tell you more about it 956-562-1651
Old 11-08-2011 | 03:13 PM
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Originally Posted by 01gm
well i got a 232 242 600 610 110 +2 from comp cam im willin gto sale it at the right price if intrested feel free to text me and i can tell you more about it 956-562-1651


That thing is massive. Would a 4.8 even run with that?



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