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Pistons are always a good idea because they lighten the reciprocating mass; thus, you get faster revving. But, it doesn't seem like they're in your budget, so I would say forget about them. Same with rods... the stock ones will hold 600+hp, so, they'll be fine for the 2530's. I can't tell how much the porting/polishing helped because I did it at the same time as the turbo change. My built engine makes 10-40hp more than a stock engine with the same turbos, so I'm sure that the porting/polishing and cams helped out to some degree. Also, my turbo housings were polished too, but that probably helps more with spool up than giving more hp. I think you'll do just fine with a stock engine and the 2530's... QQQQman pulled 520ish rwhp with that setup if I remember correctly. good luck.
Bernie Authorized sales rep for...
Datalogs every run... launches with boost in your 5-speed...
keeps turbos spooled between shifts... enables controlled power slides...
valet mode prevents abuse of your Z... unlike most factory systems, maximizes acceleration! For more information, pricing, or to purchase a system,
feel free to e-mail me: bhsiao@newssun.med.miami.edu
or visit the website
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