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-   -   10.3:1 y8 with 14b turbo, advice (https://www.homemadeturbo.com/forced-induction-7/10-3-1-y8-14b-turbo-advice-43857/)

96civicex 08-06-2005 05:51 PM

Re: 10.3:1 y8 with 14b turbo, advice
 

Originally Posted by Joseph Davis

Originally Posted by Racintweek
the compression wont be a big problem, look at all the rich kids boosting their stock type aarrggg's.

Which is completely different from a D-series - those guys are using boost to pick up where their torque curve normally drops off so they make mutant high rpm hp. They don't build lots of mean cylinder pressure to create power, they just rev to the moon and let the extra rotations take care of the problem. D-series have lower torque, aren't as efficient in the higher rpms, and that makes them a completely different story.


So our you saying there is going to be a problem with my compression with this turbo set up...

Also what would be a resonable amount of power I should expect from this setup at 9psi. I'm really aiming for the 220whp mark

FooK 08-06-2005 05:57 PM

Re: 10.3:1 y8 with 14b turbo, advice
 

Originally Posted by 96civicex
So our you saying there is going to be a problem with my compression with this turbo set up...

Also what would be a resonable amount of power I should expect from this setup at 9psi. I'm really aiming for the 220whp mark

he's not saying there will be a problem, he's just making sure you knew that guys statement didn't have alot to back it up, like logic.

9psi on my z6 feels like about an even 200-210whp or so on the butt dyno. and i have a mildly damaged piston in cylinder 3.

96civicex 08-06-2005 06:17 PM

Re: 10.3:1 y8 with 14b turbo, advice
 
Fook how long did you run this setup on your car? I'm going to be starting another motor build this winter probably around october, then turning the boost up to 16psi and running a direct 75shot from Nitrous Express >:D


Eventually looking for 300whp right now 220 is my goal

Tom-Guy 08-06-2005 07:11 PM

Re: 10.3:1 y8 with 14b turbo, advice
 
No, I don't think 10.3:1 CR is going to be a problem, I just didn't want you confusing B-series VTEC with D-series. The amount of cylinder filling, and the amount of load, taking place in the midrange of a D-series is quite different and will need a richer AFR for safety than the "12:1" "ideal" AFR for the B-series stuff pushing your power levels.

With the 14B, 200 whp is no problem. 220whp should be safe if you have a good sized IC but you're getting close to running out of turbo. Plenty of HT kids have hit 300-330 whp, but you'll need a bigger turbo and a less restrictive turbine (.50 trim T3/T04 with .63 AR stage 3 turbine is popular) and headstuds and misc small stuff. You can keep the more restrictive turbine with water injection, which does a lot more for taking heat out of the engine than an IC, and enjoy the quicker spool, but some people don't like the complexity and always having to fill the water injection reservior.

96civicex 08-06-2005 08:09 PM

Re: 10.3:1 y8 with 14b turbo, advice
 
Well I'm not down for the water sprayer, but my buddy has a Nx Nterchiller kit that he is willing to sell me for $100, i was thinking of just running co2 since it's much cheaper the nitrous oxide, do you think this would be over doing it

Tom-Guy 08-06-2005 10:16 PM

Re: 10.3:1 y8 with 14b turbo, advice
 
I didn't say water sprayer, I said water injection.

Spraying anything on your IC is a faggot half measure that renders minimal gains. Pick something juicy and spray it into your engine - ah!


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