Can I get a #'s from Home ports, Stage 1, and stock valved cars?
#21
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Good info. That's why in my head it seems you could make a very potent combo using the LS6 heads with the stock, LS6 lightweight valves, 918 springs, TI retainers, CNC porting, and a little milling for 11:1 compression.
I see a lot of guys using the LS6 heads, but I never see anybody using the stock, hollow stem valves.
A nice stable valvetrain at 6600 - 6800 is a good thing!
I guess it comes down to: at what HP level are the stock valve sizes hurting you? It looks like some good numbers in some of the above posts!!
I see a lot of guys using the LS6 heads, but I never see anybody using the stock, hollow stem valves.
A nice stable valvetrain at 6600 - 6800 is a good thing!
I guess it comes down to: at what HP level are the stock valve sizes hurting you? It looks like some good numbers in some of the above posts!!
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com
![](https://ls1tech.com/forums/signaturepics/sigpic1124_1.gif)
91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com