Cost to build a homebuilt 429...
#2
FormerVendor
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Join Date: Feb 2002
Location: Lake in the Hills, IL
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If you can get away with $300 in machine work let me know where. Every Darton motor I have done has at least $800 The line bore alone is $300. Then you have to have the Eagle stuff balanced...
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#9
TECH Junkie
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With a motor that big, you will probably want main studs and head studs, gasket set, bigger injectors/fuel system, bigger cam, bearings, ect. Could go on but it depends on what you already have and if you want the best parts (rockers for instance). I'm building mine from scratch and it adds up, trust me lol. If I wanted to cut corners and get cheaper parts which is tempting mine would be done, but I want to do it right so hopefully it will last a few years and make max power. I don't know if your heads would even work, but if so you would want to have them set up for the larger bore at the least.