stock 5.3 strong enough?
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On The Tree
Joined: Aug 2009
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stock 5.3 strong enough? saw the hot rod mag. artilcle of pushing the 4.8 engine to 1200 hp. came across an iron 5.3 and wondering if they will hold up to just as much abuse? anyone have any luck boosting a stock 5.3 shortblock? and any suggestions on what casting head to run? im thinking the 317s will lower the compression to much so i was thinkin maybe the 241 heads or even 243s. let me know what you guys think. oh yea, and goal is to run 14 lbs.
saw the hot rod mag. artilcle of pushing the 4.8 engine to 1200 hp. came across an iron 5.3 and wondering if they will hold up to just as much abuse? anyone have any luck boosting a stock 5.3 shortblock? and any suggestions on what casting head to run? im thinking the 317s will lower the compression to much so i was thinkin maybe the 241 heads or even 243s. let me know what you guys think. oh yea, and goal is to run 14 lbs.
Do a search on user member "Skinnies". He holds the stock iron 5.3 short block record currently.
Some have gone 8's with them and im sure there is more people that have blown them up. The people who have gone 8's know what they are doing and/or have a super light car. I would say the average guy shouldn't have a problem getting one to run 10's and 9's in a average weight car.
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wow! that's even more impressive!! just about makes me wanna sell my 402 and buy one and do rods & pistons in! i already have my turbo kit and turbo and not sure if a 5.3 would do well with spooling. although my 4788 seems pretty damn popular with the supra crowds and i dont think they have that many cubes. now look what you did! i've gotta go look this up and start thinking! hahahaa
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