HP/TQ diff between LS6/5.3 heads??
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From: Atlanta
HP/TQ diff between LS6/5.3 heads?? What kind of flow differences and HP and Torque differences
would I see between a LS6 stlye LQ9 casting and a 5.3 casting.
Assuming both heads have Stage ll work, same 205/160 valves,
same 59cc chambers?? Any other advantages/disadvantages of
either of these heads?
Thanks!
would I see between a LS6 stlye LQ9 casting and a 5.3 casting.
Assuming both heads have Stage ll work, same 205/160 valves,
same 59cc chambers?? Any other advantages/disadvantages of
either of these heads?
Thanks!
Originally Posted by jrp
the lq9's have better ports and chambers. and considering the price of the ls6 style heads i dont even know why'd one would consider the PP 5.7/5.3 heads.
Originally Posted by Mike98WS6
Hey now Jermai, I have the PP 5.3's. I'm only bustin on ya! Seriously though, the LS6 style heads for a great bang for the buck. I wish I went for those at the time. Oh well.
now the ls6 style are ~1400 bucks
yea i wonder what kinda gains i could see h/c vs the same cam with stock heads... i want to PP ls6 heads mainly b/c they come assembled and it will save me a lot of piecing together.. ls1speed offers a h/c package for 2100$ with pushrods ect and stage 2 ls6 i believe.. if only they offered a cam i liked.
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whats the rest of the setup and cam size?
FWIW a set of PP ls6 style heads that i had a chance to have independently flowed and spec'd out flowed my TEA/FFHP by a good margin from .400 and up. my 5.7's are similar to the PP 5.3's. take that for what its worth...
oh yea, same bench, operator, and conditions.
FWIW a set of PP ls6 style heads that i had a chance to have independently flowed and spec'd out flowed my TEA/FFHP by a good margin from .400 and up. my 5.7's are similar to the PP 5.3's. take that for what its worth...
oh yea, same bench, operator, and conditions.
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jrp, what type of port job did FFHP do on your heads? i thought i remembered them being a stage 1 in the beginning, but can't remember what you had done to them when they were refreshed. i'm keeping in mind no two shops' stage 2 job is necessarily the same, of course.
i've always liked TEA/FFHP's work, heard nothing but great things about them. Hard to beat PP's "LS6" stg2's for ~$1300 out the door tho, especially since they revamped 'em. Definitely great bang for the buck.
i've always liked TEA/FFHP's work, heard nothing but great things about them. Hard to beat PP's "LS6" stg2's for ~$1300 out the door tho, especially since they revamped 'em. Definitely great bang for the buck.
Originally Posted by cyphur_traq
jrp, what type of port job did FFHP do on your heads? i thought i remembered them being a stage 1 in the beginning, but can't remember what you had done to them when they were refreshed. i'm keeping in mind no two shops' stage 2 job is necessarily the same, of course.
i've always liked TEA/FFHP's work, heard nothing but great things about them. Hard to beat PP's "LS6" stg2's for ~$1300 out the door tho, especially since they revamped 'em. Definitely great bang for the buck.
i've always liked TEA/FFHP's work, heard nothing but great things about them. Hard to beat PP's "LS6" stg2's for ~$1300 out the door tho, especially since they revamped 'em. Definitely great bang for the buck.
2.02/1.57 valves
224.5 int / 83.7 exh port volumes
3 angle valve job
milled .020
the CNC'ing was done by TEA and FFHP did some hand finishing and final assembly. the heads were not refreshed, started from a clean slate with a new 241 casting. i had my cam spec'd to the air flow and it cam out to 238/236 duration if that tells you anything
