Will These Valve Springs Work With Vortec Valve Spring Seats - Hot Rod Forum : Hotrodders Bulletin Board
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Old 11-25-2012, 05:38 PM
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Will These Valve Springs Work With Vortec Valve Spring Seats

Hey guys. I was given some vortec heads and was wondering if these valve springs I have below will work on these heads. Meaning can I just put them on the heads without machining the spring seats??? I seen on EBAY on Alex's Parts he sells a kit that have the same O.D. and he says the fit right on the heads with no machine work. Can I use the ones below????

Thanks Guys.

Valve Spring Info:

1.265'' Dia. Single H-11 Valve Springs,
Seat Load: 130lbs @ 1.700''
Open Load: 395lbs @ 1.150''
Coil Bind: 1.050''
Max Lift: .610''

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Old 11-25-2012, 05:54 PM
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your vortec heads have pressed in studs or did you put in screw in studs?
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Old 11-25-2012, 07:10 PM
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The problem is not the spring. its the inside diameter of the inner damper.
The spring choice does not deal with the retainer to seal/guide boss lift clearance with high lift cams.
You still need to shorten the guide boss. and or use special non stock retainers.
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Old 11-26-2012, 03:44 AM
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Ok guys thanks. Im just gonna buy that kit through Alex's Parts that gaurantee no machine work needs done to obtain .550 lift. I think that would probably be about the limit on lift numbers with vortecs any and that would be fine with me.

Thanks guys for the help
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Old 11-26-2012, 05:20 AM
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make sure the springs dont pull the studs out
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Old 11-26-2012, 10:38 AM
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I am going to get new studs but is there a way that I can get the pressed studs out myself. Also I have some 2.02 and 1.60 valves I am going to use. How much of a difference does those bigger valves have over 1.94 and 1.50 valves.
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Old 11-26-2012, 11:03 AM
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if you plan to get new rockers? turn a rocker upsidedown reistall the jam nut and washer with an impact gun until the studs pull out.
the 202 valves are not worth the effort to install in vortec heads
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Old 11-26-2012, 02:01 PM
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If you just install 2.02 valves without porting the flow goes down on a vortec head.

you must port it too to get a gain.
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Old 11-26-2012, 02:56 PM
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Ill stick with the stock valves. Thanks
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