The vortec heads are great heads for a low and mid rpm and lift numbers. They have great velocity at low rpms and have an excellent combustion chamber design BUT IMO if you are running a cam over .480 lift the modifications needed to make them work is not worth it. There are a number of sites and magazine articles on them and what mods are needed for what. I believe Chevy High Performance still has some articles online.
Mikey
----- Original Message -----From: wbaineySent: Wednesday, October 30, 2002 7:53 AMTo: [EMAIL PROTECTED]Subject: RE: [Chevelle-List] Building a Vortec headed 350? [also, Car Craft Sept 2002..]Raj,
I have a vortec headed 350. Great street car head. As long as you
aren't going crazy with your combination the Vortec heads are the best bang
for the buck. Good low lift and medium lift flow. With a moderate cam they
make good power. Best bet is to take them out of the box and bolt on. The
springs provided with the heads accept around .480 lift.
Walt
>===== Original Message From [EMAIL PROTECTED] =====
>Hey guys.. Anyone running a vortec headed 350? I'm considering building a
>replacement 350 for my blown-up bearing L48 block and using Vortec heads for
>the bang-for-the-buck factor... Apparently Car Craft's Sept 2002 issue had a
>budget Vortec 350 buildup but in my mish-mash of magazines I can't find it!
>I've found every other issue within two months of September (just got my
>current issue in the mail) but for some reason I can't find it! Argh! Anyone
>with a scanner interested in helping me out with a scanned copy of those
>pages? :)
>
>Any help is greatly appreciated..
>
>Raj
>71 Chevelle SS (350/TH-350/12-bolt 3.31 posi/gauges/rear defogger/cruise
>control, even.. hehe)
>67 Barracuda coupe (360/A-904/8.25 3.23 open/modern suspension and brakes)
>
>
>
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Walter Bainey
Network Engineer
Network Services
Kent State University
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