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Configuring approx. compression ratio with added boost?

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Old Oct 17, 2008 | 05:30 PM
  #11  
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Default Re: Configuring approx. compression ratio with added boost?

Originally Posted by txdohczc
i hope you can tune really good 12.1 is alittle high for non intercooled boost with out a great tune
I can tell when i know its not going to work. how about that?

If this were to happen i think a watercooled "inline" intercooler would help it out with the heat. like this
Old Oct 17, 2008 | 08:49 PM
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Default Re: Configuring approx. compression ratio with added boost?

maybe consider water/meth injection as well, just for added security.
Old Oct 17, 2008 | 09:27 PM
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Default Re: Configuring approx. compression ratio with added boost?

Originally Posted by 98vtec
I can tell when i know its not going to work. how about that?

If this were to happen i think a watercooled "inline" intercooler would help it out with the heat. like this

how is that going to help....the charger mounts to the head
Old Oct 17, 2008 | 09:36 PM
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Default Re: Configuring approx. compression ratio with added boost?

Jg was known for high compression/boosted set ups. They made huge torque #'s on small turbos. They also use to oil down the track alot too.
Old Oct 17, 2008 | 10:22 PM
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Default Re: Configuring approx. compression ratio with added boost?

Originally Posted by 98vtec
I can tell when i know its not going to work. how about that?

If this were to happen i think a watercooled "inline" intercooler would help it out with the heat. like this
that will probably heat up/restrict the ambient air before it gets heated up some more by the jrsc. water/meth injection is probably your best bet to cool intake temps or just a bad *** tune
Old Oct 17, 2008 | 10:39 PM
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Default Re: Configuring approx. compression ratio with added boost?

the tune im not so worried about. I know when its going to work or its not going to work based on what i see with the plugs and the amount of timing i have to pull.

there should be quite a few ways to make this work, like i said, should be just a lot of trial and error until i find the right combination.

thanks for all the comments. Now go ---- yourselves.
Old Oct 17, 2008 | 10:56 PM
  #17  
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Default Re: Configuring approx. compression ratio with added boost?

well like stated earlier one trial can and might be your last error (i.e engine is fucked)
Old Oct 17, 2008 | 11:06 PM
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Default Re: Configuring approx. compression ratio with added boost?

thats why you dont mash the throttle on the first trial

baby steps my friend.
Old Oct 18, 2008 | 08:26 PM
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Default Re: Configuring approx. compression ratio with added boost?

where's the **** damnit?

I think meth/water inj would help ward off detonation....
So much for 30+mpg once ur in constant boost....

Whatever you can do fight detonation will be helpful....hopefully it doesn't become a race gas motor with the charger on it.

How much does boost does the JRSC kit run?? I know they have a 9psi pulley, but i don't even think JR recomends the hi boost pulley on the stock h22.....but ur block should be fine B with whats done to it.
Old Oct 18, 2008 | 10:07 PM
  #20  
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Default Re: Configuring approx. compression ratio with added boost?

there is a 6,9, 10 and endyn used to make a 12 lbs pulley. I really dont think it will need race gas just to run 6psi. I'm also hoping that i can do it all on 440cc RDX injectors.

it'll be a fun project if i can find one that needs to be rebuilt for really cheap. I'm not about to spend 1500-2000 on a used on.



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