grumpyvette Posted April 25, 2002 Share Posted April 25, 2002 http://cgi.ebay.com/ebaymotors/ws/ebayISAPI.dll?ViewItem&item=1823711968&r=0&t=0 Quote Link to comment Share on other sites More sharing options...
Guest gbvol54 Posted April 25, 2002 Share Posted April 25, 2002 Yep. I got mine on ebay for $375 (including shipping). New/unused. Leaving them stock limits lift to around .470, but with the right cam (Xtreme 262 for example) still good for close to 400 hp. Quote Link to comment Share on other sites More sharing options...
Guest jwelch Posted April 26, 2002 Share Posted April 26, 2002 Hey Grumpy, I just received my vortecs from these guys today. 400 with shipping, won them on ebay. These are brand new heads but they are seconds meaning they wouldn't pass as "A" quality part because of blemishes. Mine look good but I did notice some chips in the casting where the valve cover mates. I hope these don't leak oil or I will be I'm going ahead with some minor machining -.100" off the valve guide and trying some new "stock" LT4 springs that are good for .525" lift. I looked at the springs you recommended on the thread I started "Vortec Tolerance" but they are way to expensive for my budget. I'm trying to stay under $750.00 on these heads. What do you think about the LT4 springs? I will still have to machine for the larger diameter too. Any thoughts? Regards, Quote Link to comment Share on other sites More sharing options...
grumpyvette Posted April 26, 2002 Author Share Posted April 26, 2002 the lt4 spring part # 12551483 1.32 dia. 101-lb seat/332lb average pressure installed at 1.78 height is a very good spring as long as the cam lift stays at about .525 or less. but the springs that comp cams,crane,erson, sell are better quality in the higher lift range springs, if you stay at or bellow .525 lift youll be ok if the machine shop clearances your heads correctly. Quote Link to comment Share on other sites More sharing options...
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