I'm building a 496 BBC and have 2 sets of heads, 781 ovals and 990 rects. Both are presently stock, no porting but have been cleaned and maged. Have a new set of valves for either, Ferreas and Manleys 2.19 or 2.25 and 1.88 valves. I'm leaning towards using the 781's since its going to be for the street but curious what the heads on either side might be worth. I was going to put a set of 2.19 & 1.88 Ferrea Comp Plus in the 781's and I have a set of Manley Severe Duty 2.25 or 2.19 & 1.88 was going in the 990's. Just curious what a good set of these heads with reasonable vlaves are fetching nowadays! Thanks!
I got both sets of heads complete for less than what you suggested for the 781's alone without anything done. Figured I'd invest in the 781's cause theyre more streetable and sell the 990's to offset the cost, popping in new valves as well since theyre already 2.19 / 1.88.
YOU SAID THE 781'S WERE STOCK. I took that to mean that you were going to have the 2.19's installed,which would mean they would be fresh from the shop when you sold them. To have a set freshened up and opened up to 2.19/1.88 correctly,after valve job etc you would likely have around $900 in them. That is based on prices around here.
P.S. I wouldn't pay what I suggested unless they were fresh and I knew/trusted the shop that did the work. Just hogging therm out and sticking big valves in them is pointless.
OK, guess I asked the wrong question. I was more concerned about the 990's with new Manley Severe duty valves and what they would be worth than the 781's even if I enlarged them. Also, I won't have that much in my heads, even from our local reputable shop here in GA. I was only curious how much they would be worth, not how much I'd put into them, I'm already aware of that but THANKS!
OK, guess I asked the wrong question. I was more concerned about the 990's with new Manley Severe duty valves and what they would be worth than the 781's even if I enlarged them. Also, I won't have that much in my heads, even from our local reputable shop here in GA. I was only curious how much they would be worth, not how much I'd put into them, I'm already aware of that but THANKS!
They bring about the same price as the 781 or 049's, around $400-500. The reasoning is, they originally came out on crate engines, or sold OTC, so they have no real demand from restorers, plus there are ALOT better heads available for racers, so they kinda get left behind by both parties. I was standing next to a guy who bought a set , complete , for $200, a couple years ago. They were 1979 990's, and he only did a valve job on them, and ran them on his bracket car. Email me when you get ready to sell, I might be interested in them. Doug
Yep, as of 8:10pm EST 1-23-2011, those ebay heads were up to $610 with $125 shipping. Mine are '77 castings with everything (studs, guides, valves and springs), fresh back from the shop tanked and magged. New Viton seals, 2.19 and 1.88 stainless, swirlpolish, undercut stem valves. Springs were tested and specs are at the house, wanna say around 450 seat pressure, not sure what cam was originally in it. Just thought theyed be worth a lil more than 5 bills. Then again, things are worth only what someone is willing to pay for it.
Put em on ebay with a reserve.If they don't sell relisting is free.
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