Organized Drag Racing and AutocrossDrag racing and autocross discussions and questions. Techniques, tips, suggestions, and "what will I run?" questions.
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So I pulled a set of vortec heads over the weekend. They have at least $1000 put into them. They were on top of a 406 running running a solid roller with .600" lift. On the bottle the truck ( light little s10) went 6.3x in the 1/8 mile and 6.8x on motor alone. Anyone ever seen something with vortec heads run faster then this?
Btw, the heads have about 500 miles on them, screw in studs, guide plates, 1.5 Comp cam roller top rockers, crane h-11 99846 springs, and all for only $500.
Yep... much faster. Local guy with a 4 door Chevelle has been in the 8's with them with only 353 cubes and weighs in at over 3600lbs. I've seen this car with my own eyes...
3600lb chevelle running high 8's = 1000HP
3000lb S10 running high 9's = 500HP
Another example... My buddy's daily driven Malibu with unported / stock valve Vortec headed 400 went 11.60's on motor @ 3550lbs with a mild solid cam and only 3.42 gears. So if a light (3000lb or less I assume) S10 is only running about a 10.80 with Vortecs that have over $1000 into them and a solid roller, it's actually on the slow side compared to what others have done when you factor in the weight differences.
Not knocking the S10 - 10's with factory heads is impressive but others are running just as hard and a lot harder.
