loganlewis

well doesnt ym 4.8 have flat tops? i have a set of 799s for my truck, i was gona get milled .25 or .30 and try the tbss intake but people kept saying nooooooo u will lose power

Rhino79

iTrader: (7)

My truck is an 09, came stock with 243's and the tbss setup stock.

iamkeniff

iTrader: (16)

the 90mm swap may not be whats best for you...some say its too much for a stock
head 5.3 an some say its just right. i dunno, i say try the parts and if they dont work try something else. do as much research and look at a ton of dyno graphs! real
world track times and combos. some baby combos do very well an put a hurting on those big cam/converter combos! a lot may not think it but look at all the people running the 212/218 and 214/220 cams running very good times and dangerous mph (100-104mph)

05gmcsierra

iTrader: (3)

^^^ very we'll said.. ur best option is to try it... I never tan 1/4 but my baby cam on my 5.3 is putting great numbers at the 1/8