LS6 valves vs. LS1 valves? Any difference?
#3
TECH Apprentice
LS6 valves are lighter being hollow but they are a fraction longer. May be worth checking rocker action once it's assembled. I'm going to use them
#4
Originally Posted by Mike at Boost Performance.co.uk
LS6 valves are lighter being hollow but they are a fraction longer. May be worth checking rocker action once it's assembled. I'm going to use them
Cajun
#5
The LS6 are hollow sodium filled valves that are considerably lighter. This allows you engine to rev more freely, and rev higher, with much less possibility of valve float. A good set of springs, LS6 valves, titanium retainers, and some lightweight rockers would make an excellent valvetrain....hmmm.
#6
Originally Posted by Another_User
The LS6 are hollow sodium filled valves that are considerably lighter. This allows you engine to rev more freely, and rev higher, with much less possibility of valve float. A good set of springs, LS6 valves, titanium retainers, and some lightweight rockers would make an excellent valvetrain....hmmm.
I have Manley doubles, Ti rets, seats, locks, LS6 valves
Where do I get lightweight rockers? What rockers do I need for Comp 224 .563 114 LSA with GTP S1 heads? Thanks
#7
Originally Posted by ccajun4real
I have Manley doubles, Ti rets, seats, locks, LS6 valves
Where do I get lightweight rockers? What rockers do I need for Comp 224 .563 114 LSA with GTP S1 heads? Thanks
Where do I get lightweight rockers? What rockers do I need for Comp 224 .563 114 LSA with GTP S1 heads? Thanks
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#8
TECH Fanatic
iTrader: (1)
GM Stock LS1/LS6 ret 11.3g
GM 03' Z06 Spring 77.3g
GM Stock locks 2.5g
GM Stock int valve 2 101.1g
GM Z06 Int valve 2 74.7g
GM Stock exh valve 87.3
GM Z06 Exh valve 1.55 64.6
As you can see, stock LS1 valvetrain is 1688g (if my calculations are right)
LS6 valvetrain weight is 1295g.
That is a 23% drop it weight. Should be significant, but I've never seen a dyno comparison of ls1 vs ls6 valves swap :/
GM 03' Z06 Spring 77.3g
GM Stock locks 2.5g
GM Stock int valve 2 101.1g
GM Z06 Int valve 2 74.7g
GM Stock exh valve 87.3
GM Z06 Exh valve 1.55 64.6
As you can see, stock LS1 valvetrain is 1688g (if my calculations are right)
LS6 valvetrain weight is 1295g.
That is a 23% drop it weight. Should be significant, but I've never seen a dyno comparison of ls1 vs ls6 valves swap :/
#9
TECH Fanatic
Cajun,
Dont worry about replacing your rockers, the stockers are pretty darn good and up to the task. As said above the LS6 valves are sodium filled and quite a bit lighter -> less stress on the valvetrain. Check a little deeper on the valves though, i know they are a little longer which should not cause an issue, but I could have sworn they were a different shape as well. Try a search on this site and re-post this topic asking about the shape/compatibility of the LS6 valve with an LS1 head.
-Nick
Dont worry about replacing your rockers, the stockers are pretty darn good and up to the task. As said above the LS6 valves are sodium filled and quite a bit lighter -> less stress on the valvetrain. Check a little deeper on the valves though, i know they are a little longer which should not cause an issue, but I could have sworn they were a different shape as well. Try a search on this site and re-post this topic asking about the shape/compatibility of the LS6 valve with an LS1 head.
-Nick
#10
TECH Apprentice
It's only the exhausts that are sodium filled. The inlets are empty and if you drop one it will bend, I dropped one and had to import a single valve!
#11
Originally Posted by Mike at Boost Performance.co.uk
It's only the exhausts that are sodium filled. The inlets are empty and if you drop one it will bend, I dropped one and had to import a single valve!
#12
Originally Posted by Mike at Boost Performance.co.uk
It's only the exhausts that are sodium filled. The inlets are empty and if you drop one it will bend, I dropped one and had to import a single valve!
Use or do not use the LS6 valves?
My buddy told me that they are longer and may not work well?
Again I thank you ALL for the help!!!!!!!!!!!!!
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