03sierraslt

iTrader: (22)

Richard is a good guy, Ive talked to him about cams as well. Once I decide I am calling him too.

SlvrSierra4.8

iTrader: (24)

Have always heard mixed reviews on the zo6 cam. I think I will stick w/ a comp grind whatever it may be

dug

iTrader: (10)

if you can get the cam and springs for free that more money for a ls6 intake

SlvrSierra4.8

iTrader: (24)

bump......any more input?

Parke10

iTrader: (5)

i figured id just ask here since theres abunch of info already, im kinda confused with all these numbers being thrown around but im looking for 1 maybe 2 steps above a stock 5.3 cam id like to keep everything else stock just bring a little more power outta her and not kill the MPG doing it but from what ive see would i go with a 206/212 or a 208/212 or something different?

eallanboggs

iTrader: (1)

You might not believe this, but I put cam from a 5.3 in a 4.8 that was in the 220 range duration and 540 lift. The customer wanted Scopion rollers and opted for the 1.8s which caused the effective lift to go to the 575 neighborhood. This truck kicks butt and the owner now thinks that everyone that pulls up beside him at a red lite is looking to race. Of course, the PCM was reflashed(TSP) since it has an auto. trans. I also installed most of the other bolt on mods, but no aftermarket heads or headers. None the less the truck hauls even thought it's N/A with no dope. I also put a Superior Super Servo in there which makes shifts more fun even if it is an auto.

Steve Bryant

iTrader: (1)

I think that a 206/212 or 208/212 cam with a 112 to 114 LSA and about 3 degrees advance ground in would be an excellent choice for a 4.8 Auto or Manual. You'll loose a little torque off idle but you should be fine by 1,200 RPM's and it will breathe better by 1,800 RPM's (as compared to a stock cam). Also, unless you have decent aftermarket heads, a valve lift above .520" won't help much if any.

Steve

1slow01Z71

iTrader: (36)

You guys realize you can buy a used 00 fbody cam for cheap and its damn near the same thing. 205/212 .496 .496 115lsa, the 115lsa will help with the stock stall in your 4.8 and net damn near the same results as the comp cam for an 1/8th of the price

jdawg04 4.8

iTrader: (1)

well i have the mods in my sig and the cam (212/218) definitily pulls in the Mid and up top but to me it leaves a little to be desired off the line yet I am still on the stock stall so that should clear that problem up.

I just got my truck dynoed and it did 306hp 305tq not the most power but the truck runs strong for a 4.8 on 22s

PappyDan

iTrader: (4)

you need to check out the flow charts posted on the site.
the 4.8/5.3 heads flow best with a cam at around 550 lift.