Subject	Those numbers look OK for a TT. The NA compression >>
Posted by	ZUL8TR on September 23, 2016 at 4:44 AM
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In Reply To	what do you think of numbers? posted by nissan300zxwork on September 21, 2016 at 08:05 PM
Message	is about 185 psi with 10.5:1 Compression Ratio (CR), so a TT with 8.5 CR would be about 150 psi. Pressure difference is max at 5psi on 1-3-5 bank and 1 psi on 2-4-6 bank, well within spec. ZUL8TR in Orlando,FL
Follow Ups	what do you think of numbers? - nissan300zxwork 20:05:53 09/21/16 Those are the number I got from my new IPP block - Stanky 20:14:48 09/21/16 You'll be fine. - white22sky 20:44:19 09/21/16 those are fine (n/m) - aliaZ 22:17:51 09/21/16 ygm (n/m) - LJZTT 17:30:46 09/23/16 I'm assuming those 900 miles were stop and go. (n/m) - ForceFedTT (SoCal) 03:28:37 09/22/16 yes. (n/m) - nissan300zxwork 05:49:46 09/22/16 Re: what do you think of numbers? - cgrover300 05:43:32 09/22/16 Similar to mine, see profile for build info. (n/m) - J-Mart 14:30:34 09/22/16 Numbers look good - ZXRider 15:33:43 09/22/16 so couldnt boost over 14psi - nissan300zxwork 23:50:29 09/22/16 Those numbers look OK for a TT. The NA compression >> - ZUL8TR 04:44:58 09/23/16 Interesting that built 8.5:1 engines < stock comp #'s - ZXoltan 10:20:47 09/23/16 Forged pistons require more clearance. That would likely - MixManMash 08:15:35 09/24/16 The piston rings contain the pressure, not the piston - ZXoltan 08:48:17 09/24/16 cranking compression typically suffers a bit with big cams - LitlElvis 14:54:40 09/23/16 This. (n/m) - MixManMash 19:08:33 09/23/16 Agreed, Brett, but what about forged motors w stock cams? (n/m) - ZXoltan 08:45:45 09/24/16 Re: cranking compression typically suffers a bit with big cams - BLACKBEAST 01:14:30 09/25/16
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