Pontiac - Street No question too basic here!

          
 
 
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Old 02-03-2023, 11:03 AM
drewm drewm is offline
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Join Date: Jul 2021
Location: Chester County, PA
Posts: 113
Default Street build question/opinions

I am building a 461 stroker for my 66 gto convertible, 4 speed, 3.23 rear. I have a set of 6x-4 heads that I have cleaned up at home. No major work done, just cleaned the sharp edges in the bowls and rounded the short radius and smoothed any casting flaws in the ports and finished with 80 grit rolls. My goal is a nice sounding, fast, reliable street car. I contacted Butler and they said that I need to work with a machinist to figure out a plan before ordering parts. They did say to go to 1.77 valves instead of 1.66. I also want to get bronze guides installed. I have no idea what cam/ rockers/ lifter choice/ valve length, etc., to use.

So I guess I am looking for real world opinions on what to use for a streetable motor that I would like to see at least 400hp/500tq from. As far as budget, I would like to stay on the more "affordable" end of things. I plan on assembling the motor myself.

Thanks
Drew

 


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