hey y'all last year i poped my ls1 and now plan on putting in a stock bottom end lq9, i currently have prc ls6 2.5 heads on my ls1 and wanted to get your opinions if i should run theses head on my lq9 or get sumthing different? i also have jesel rocker shafts on these heads so i dont want a head that will not accept my valvetrain, also this is in a 98 transam, its going to be a auto th400 has a 9'' with 4:10s and ditching the fuel injection and goin carburated, and a good weight reduction, looking for mid to low 10's on motor that hitting her with 150-250 shot down the road, any info would be great thanks y'all, matt

 

what do you have to spend?
some trick flows or AFR's would be really nice if you can afford it

 

i was looking at the tfs head but they dont flow much more then mine, 4cfm? correct me if iam wrong

 

You could checkout the PRC 227 or 237 heads depending on what compression your looking to go for.

 

anybody have a proven set up similar to what i wana run on my new build? or a dyno graph

 

use the heads you got .

 

why do you recomend that? is there not a big horsepower/torque difference or do you think i can achive my goals with these heads and what cam on a stock lq9 6.0 bottom end?

 

anyone else got a opinion?

 

Im going w/ something similar but ill be running cnc'd LS3's on a stock LQ bottom w/ a LS3 Polluter Cam...tr225 might be a good choice for you.

 

keep your heads. theyre good and will work well with the lq9. cheaper to go with what you got. that lq9 is gonna be torquey and make real good power. hit up pat g, geoff at eps or ed curtis at flowtech for a custom cam grind instead.