Thread: Vortec Head mod's

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If you have your mind made up on a set of Vortec heads . The Best ones to buy are the RHS Vortec Pro Torker heads . They have 2.02in / 1.60ex valves and Flow 27cfm more then GM #906 Vortec heads do . And with the springs and retainers they use . You can run a camshaft up to 525 Lift . Also you can run early or Vortec intake manifolds on the RHS Vortecs . You can buy them ready to run . Part # RHS12410K1 from www.competitionproducts.com As for the best Dual Plane intake Go with the Weiand Air Strike # 8501 with a 700 CFM Holley D/P . And for a Camshaft the Comp Cams XE268H . That camshaft is 224/230 dur at .050 and 477/480 Lift and has a 110 L/S . With these parts on a 355 with 0 Deck Flat Top pistons 10.1 you will have 415 HP at 5700 and 423 ft lbs at 4000 .

Gearhead

I'm certainly no expert on these heads, but be careful if you buy a set of used Vortecs.

I have had 3 of them checked and they have all been cracked. The machine shop tells me they are very prone to cracking in the valve seats when they get hot. Be sure to get a return guarantee from the seller.

I'm about ready to go in another direction. Pretty soon I'll have enough in gas and inspection fees to pay for a new set of heads!

Mike