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Boost Limit on 4 bolt heads

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Old Jan 1, 2015 | 12:20 AM
  #101  
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Originally Posted by yoshgixxer
4.50's@168 or so Def fast enough to go 6.90's either way im jelous lol
I'm just not sure that the motor would hold WOT for that extra 2.5 seconds lol
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Old Jan 9, 2015 | 12:59 AM
  #102  
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this is a very interesting discussion and some impressive numbers in here with 4 bolt setups.

this discussion and some of the great numbers from guys like DANZGLAS with turbo 5.3 setups make me wonder if actually a shorter 3.6" stroke crank would make more reliable power ultimately than the 4.0 stroke cranks everyone uses since the shorter stroke would have much less side load on the cylinder sleeves with more piston support at the bottom ultimately creating less torsional load on the block...
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Old Jan 9, 2015 | 01:15 AM
  #103  
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Originally Posted by neverstop
this is a very interesting discussion and some impressive numbers in here with 4 bolt setups.

this discussion and some of the great numbers from guys like DANZGLAS with turbo 5.3 setups make me wonder if actually a shorter 3.6" stroke crank would make more reliable power ultimately than the 4.0 stroke cranks everyone uses since the shorter stroke would have much less side load on the cylinder sleeves with more piston support at the bottom ultimately creating less torsional load on the block...
Side loading of the piston with a 4" stroke is not any where near the weak link in a 4-bolt motor.
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