Good news every body - Page 3

Muffo · 04-02-08, 03:59 AM

Yeh i was talking about going to 8:1 only basing it on that most turbo cars run 8:1. and i was assuming this would be a lot safer

legendturbo · 04-03-08, 01:04 AM

Unfortunately it isn't safer as compared to the same HP at a different compression ratio. Your tune determines that. But not many turbo cars run 8:1. High HP drag cars and dyno queen cars run 8:1 or even less so they can crank up the boost to 30+psi. They would be rubbish to drive on the street. You get more HP from lowering compression and increasing boost than just raising compression but its not something you would want to do. No street cars run that low. Most run 8.5:1 to 9:1. Most that run 8.5 bump it up to 9 when they get forged pistons.

legend89chopped · 04-03-08, 10:14 AM

Yeah, they are forged, but like I said, there's more meat on them than the OE, and I think the skirts are actually a bit longer. The clinders are getting bored slightly, just to line them up right again, but the pistons are not oversized. With tapered rings, I figure my compression will be around 8.5.

04-02-08, 03:59 AM	#31 (permalink)
Muffo Registered User Join Date: Nov 2007 Location: Australia Posts: 375 Car 1: 88 Honda Legend white Car 2: 87 Honda Legend part Car 3: Kingswood ute iTrader: (0)	Yeh i was talking about going to 8:1 only basing it on that most turbo cars run 8:1. and i was assuming this would be a lot safer __________________

04-03-08, 10:14 AM	#33 (permalink)
legend89chopped Registered User Join Date: Sep 2007 Location: Nashville, TN Posts: 405 Car 1: 1989 Acura Legend Coupe Car 2: 1964 Chevy Impala Car 3: 1997 Chevy Silverado iTrader: (0)	Yeah, they are forged, but like I said, there's more meat on them than the OE, and I think the skirts are actually a bit longer. The clinders are getting bored slightly, just to line them up right again, but the pistons are not oversized. With tapered rings, I figure my compression will be around 8.5. __________________ ----------------TURN HEADS----------------

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04-03-08, 01:04 AM	#32 (permalink)
legendturbo Registered User Join Date: May 2005 Location: New Zealand Posts: 125 Car 1: 1990 Turbo Legend iTrader: (0)	Unfortunately it isn't safer as compared to the same HP at a different compression ratio. Your tune determines that. But not many turbo cars run 8:1. High HP drag cars and dyno queen cars run 8:1 or even less so they can crank up the boost to 30+psi. They would be rubbish to drive on the street. You get more HP from lowering compression and increasing boost than just raising compression but its not something you would want to do. No street cars run that low. Most run 8.5:1 to 9:1. Most that run 8.5 bump it up to 9 when they get forged pistons.

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