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ctr pistons or forged pistons for all motor

Discussion in 'Engine Building' started by david_jones001, Feb 22, 2005.

  1. david_jones001

    david_jones001 Senior Member

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    im building another ls vtec, as a backup, cuase i beat the shit out of this one, should i go for ctr pistons or am i gonna need forged pistons, do u really need forged pistons for a all motor, ,
     
  2. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    You don't need forged pistons for all motor- but they do last longer and give you a bit more insurance under high stress. Cast pistons tend to be quieter though, and you can run smaller piston to wall clearances because they don't expand as much as forged aluminum pistons. If the compression ratio for the CTR pistons is good enough for you, just coat the tops with heat barrier ceramic coatings and you'll be pretty well off.
     
  3. david_jones001

    david_jones001 Senior Member

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    ok, with ctr pistons, i should be having somehwere around a 12:4 compression according to pissedofdelsol 's write up, right?, and what aftermarket rods will fit a ls bottom, and a ctr piston?
     
  4. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Pretty much any aftermarket rod for the B18A/B will work.
     
  5. david_jones001

    david_jones001 Senior Member

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    cool, i thank u for ur time, is there any aftermarket rod that i wont have to notch the block for?
     
  6. exospeed*com

    exospeed*com Member

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    you shouldnt have to notch the block for most common aftermarket off the shelf rod.
     
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