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Old 09-07-2010, 10:15 PM
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Have a Question: Chevy S10 355/ Erson Cam

Just here to introduce myself. I'm building a S10 355, which can be a real headache at times. But, I've always wanted one and now have the opportunity to do so. Been working on it for about two years now, should have had it finished by now, but with the economy like it is, sure makes it hard on a man to keep his job, get called back or find another. Hope to get it done soon. I found this site while do some research on Sportsman 2 headers, I'm running stock heads with a Erson Cam duradv 280/280 Dur @.050" 214/214 valve lift .443/.443. Lobe sep. 110 valve spring E915005. Has anyone ever ran this type of cam? Because, I was wondering what type of heads I should run? Should I run the Vortec heads or does anyone have a better suggestion for this size cam. It is a 355 flat top pistons and crank has been turned 10/10 and running a Cloyes true double roller timing chain. Thanks!

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Old 09-08-2010, 05:39 AM
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Bang for buck wise, it`s hard to go wrong with Vortec heads, however, you also have to buy a vortec intake so that drives the price up more. If your looking for heads that will work with your cam, you needn`t not look that hard since your cam is not that big. If Vortec heads are a interest to your eye then I`d recommend RHS Vortec heads. A friend of mine is running a set on his 350 with a roller cam with only 1 degree more duration and the thing will flat scream. Absolutely brutal low end torque and it pulls hard all the way until the red line. The RHS heads are heavier than the stock vortec castings and thicker casted, plus you don`t have to worry about having the guides clearanced for more lift as you do with the stockers. You can order them assembled or unassembled. If your stock heads have 1.94 intake and 1.50 exhaust valves you can use them in the RHS heads if they are still in good shape. The RHS heads come with already tapped holes for screw in studs, but if you want to save a few bucks, you can use just screw in studs without guideplates by just using self aligning rockers. Best of all, they won`t break the bank. If you go this route I recommend you use Edelbrock intake gaskets, don`t try to use the fel pro stock replacements. You should be able to also use your locks and retainers off your stock heads, make sure you get the springs to match your cam. I know what it`s like on the job scene, I`m a CNC machinist that`s been out of work for a year and 9 months now.
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