LS7 3 Valve heads ???
#2
TECH Enthusiast
Join Date: Nov 2001
Location: Green Oak, MI
Posts: 585
Likes: 0
Received 0 Likes
on
0 Posts
They way outflow the current LS6/2 castings, by a large number.
Haven't personally seen them but the info is good. Supposed to bolt with up with little or no mods to a LS2 block, maybe even Ls1/Ls6.
Haven't personally seen them but the info is good. Supposed to bolt with up with little or no mods to a LS2 block, maybe even Ls1/Ls6.
#3
Adkoonerstrator
iTrader: (4)
Join Date: Nov 2001
Location: Deep in the seedy underworld of Koonerville
Posts: 21,420
Likes: 0
Received 0 Likes
on
0 Posts
I thought a reliable source posted flow in the 370cfm range for the 3 valve heads a while back. Lots of info flying around right now but, I am almost positive that info was from a VERY reliable source.
#4
Launching!
iTrader: (1)
Join Date: Nov 2001
Location: Tennessee
Posts: 262
Likes: 0
Received 0 Likes
on
0 Posts
Well I have seen some flow sheets for a ported modular(4v) and they were in the 330-340cfm range @.500-.550 on a 3.550" bore. So with a better head design and the larger bore, XLR8NSS's number of 370cfm sounds about right. Just a guess though!
Ryan
Ryan
#6
TECH Junkie
iTrader: (2)
Will the 3 valve heads bolt right up to a gen 3 block? Will we need to get an ls2 block? If we get an ls2 block and build a 402 will gen 3 cam kits work with a gen 4 block? I am trying to decide whether or not to build a 383 on my ls1 block or build a 402 with a ls2 block, but only if most gen 3 parts are interchangeable otherwise it will be a lot more money to buy everything new.
#7
TECH Addict
Originally Posted by 52172
Will the 3 valve heads bolt right up to a gen 3 block? Will we need to get an ls2 block? If we get an ls2 block and build a 402 will gen 3 cam kits work with a gen 4 block? I am trying to decide whether or not to build a 383 on my ls1 block or build a 402 with a ls2 block, but only if most gen 3 parts are interchangeable otherwise it will be a lot more money to buy everything new.
Trending Topics
#8
LS1Tech Sponsor
iTrader: (10)
We can only hope they swap easily, could you imagine the numbers then. 10's all motor would not be a big deal and it would take so little work and a not so huge cam. Oh, I can't wait, the possibilities are endless. So who is going to hit 9's n/a with a stock cube ls2 or ls7?
#9
I remeber in Automotive engineering magazine an article on the "LS7", had some data, imagine the new 5 speed auto, these 3 valve heads going on a 2002 camaro. I hope the new auto will fit.
#10
The LS2 in the vette has LS6 heads on it. So it would make sense that the LS7 heads will fit a LS1/6. The 2 intake valves function via a common rocker and single pushrod.
Hope..hope...hope...
Hope..hope...hope...