valve springs
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From: UofA(Tucson), AZ
Car: 92 Precision Red Firebird
Engine: v6->357 vortec xe262h rpm intake
Transmission: t5-> t56
Axle/Gears: 10bolt 3.42s
valve springs
would i see any improvement in power by installing LT4 valve springs on my vortec heads, but having a cam that has a .460 lift??
i have some laying around and i am wondering if it would be worth it to use them.
i have some laying around and i am wondering if it would be worth it to use them. 
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Joined: Apr 2001
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
I believe they're 1.32" OD, so the spring pockets on the Vortecs would need to be enlarged.
I could be thinking of the LT4 Hot Cam springs though.
Measure them. If they're much larger than 1.25" then they won't fit.
I could be thinking of the LT4 Hot Cam springs though.
Measure them. If they're much larger than 1.25" then they won't fit.
Thread Starter
Senior Member
iTrader: (1)
Joined: Jan 2004
Posts: 936
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From: UofA(Tucson), AZ
Car: 92 Precision Red Firebird
Engine: v6->357 vortec xe262h rpm intake
Transmission: t5-> t56
Axle/Gears: 10bolt 3.42s
they are larger, and i would need to get the pockets enlarged. but im just wondering if i would get an increase in power or not, just from them.
Thread Starter
Senior Member
iTrader: (1)
Joined: Jan 2004
Posts: 936
Likes: 0
From: UofA(Tucson), AZ
Car: 92 Precision Red Firebird
Engine: v6->357 vortec xe262h rpm intake
Transmission: t5-> t56
Axle/Gears: 10bolt 3.42s
ok i was just wondering cause their just laying around now...the lt4 springs that is
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
They're bound to be better than stock Vortec springs. As Apeiron hints, anything over 5000 RPMs, you'll see a "power increase" since the valves shouldn't be floating.
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