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Item: Wiseco Forged Piston Kit Nissan RB30DETT 40' Thou Oversize, (For twin cam conversion only)

Location: South brissy

Item Condition: Brand new

Reason for Selling: Got cp pistons

Price and Payment Conditions: $650

Extra Info: will post at buyers expense

Pictures: Can get pics if required but you should be able to work out what brand new forged pistons look like

Contact Details: Pm me

Edited by r_speedfreak_r

to be perfectly honest i've been told different things. Sliding performance who i bought them off said they're 8.5:1 compression but i think thats with the head and block machined to their limits. Less machining lower compression

Wiseco pistons have a dish volume of -11.3cc's.

With a zero deck and a .051' thick gasket the compression works out to be around 7.18:1

Calculated with a combustion chamber volume of 63cc's and cylinder swept volume of 505cc's.

cheers 200. I know it sounds a lil low guys unless your running big boost or machine the head and block but these are still mass produced pistons used in plenty of worked engines overseas. If the compression is too low for your application it's easy to get longer rods which id reccommend upgrading anyway and take advantage of a set of cheap strong pistons.

  • 3 weeks later...
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  • 5 years later...
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.. no way, I was into my 3rd or 4th import skyline by then and had run up mid 10sec in my GTR by 2007.

... ah crap I feel old now!

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