25psi on pump gas possible with h20/meth injection? - D-series.org

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Old 08-12-2007, 09:56 PM   #1 (permalink)
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Default 25psi on pump gas possible with h20/meth injection?

I was thinking of doing my build using vitara pistons so the compression ratio will be in the 8.x:1 ratio. I was wondering if I could run like 25psi occassionally at the track with 93octane
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Old 08-12-2007, 10:08 PM   #2 (permalink)
 
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I seriously dont think that is possible. Unless you have a GREAT tune
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Old 08-12-2007, 10:21 PM   #3 (permalink)
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I personally don't see why not. I dynod 20 and 22psi on 93 oct with a somewhat "large" .63 turbo.
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Old 08-12-2007, 11:01 PM   #4 (permalink)
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Quote:
Originally Posted by Bizzar View Post
I personally don't see why not. I dynod 20 and 22psi on 93 oct with a somewhat "large" .63 turbo.
yeah I think you could do that... as long as everything is up to par....
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Old 08-13-2007, 06:06 AM   #5 (permalink)
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plenty of people do it with evos,dsms, srt4s, grand nationals. I was just wondering if any d-series peeps had any experience with it.
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Old 08-14-2007, 02:58 PM   #6 (permalink)
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yes and no, its all gonna depend on a lot of things (W/I nozzle size, HP goals...ect).

PSI dosn't really mean anything... i would say above 300whp on a D, anything to raise the knock limit is needed for longevity.


It think i was like one of the first few who started toying with W/I on turbo d's, i was running a 5gph nozzle+92oct @ 320whp. If you do decide to go the w/i route i'd recommend reading up on everything you can find about tuning ignition, and how the h20 effectivly raises the knock limit. theres a lot to learn, but as i have found out... whether it be race gas or W/I, more powa still means big trade-offs.
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Old 08-14-2007, 04:27 PM   #7 (permalink)
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Quote:
Originally Posted by Bizzar View Post
I personally don't see why not. I dynod 20 and 22psi on 93 oct with a somewhat "large" .63 turbo.
Yes, but he, is not you.

Read, read, read,
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