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Overlay: old setup on alky vs new setup on pump gas

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Old Jul 8, 2009 | 09:24 AM
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Overlay: old setup on alky vs new setup on pump gas

Alky = power on a budget!

Here's a cool overlay I made. Old setup was IX turbo w/ 1.0mm jet on aquamist hfs-1, 29psi peak. HKS 280s, SS O2 housing, ported exhaust manifold, and had even done very near this setup on stock injectors (peak IDC was 128%!). With an extra alky jet, prolly could have stuck with them. My point is, its a pretty basic, well-setup bolt-on evo. Add aquamist to this setup for ~$600.

New setup is fully ported CBRD BBK Full, ported head, Kelford cams, gsc springs....really nothing crazy but EASILY looking at an extra $3000 in parts to make the same numbers, otherwise peak whp and torque numbers won't quite line up as well. This is my pump gas map on this setup, add in alky and it wins out all over, but just wanted to point out price difference in a decent setup at this power level.


new setup is light red, old setup is dark red.

powerband on the new setup IS bigger, but peak whp numbers are very close and you get a lot more smiles for your $$ with the alky/stock turbo setup
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Old Jul 8, 2009 | 09:40 AM
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May be it is time to use two jets, pushing the frontier further.
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Old Jul 8, 2009 | 11:15 AM
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Im with richard on that one. lol

Nice work. I like the results. They both have their strong points!
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Old Jul 8, 2009 | 11:36 AM
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Sorry, I AM on two jets now, see my other thread for results on that
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Old Jul 8, 2009 | 12:46 PM
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OK, 3 jets then

I think your power is excelleent for a factory set up.
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Old Jul 16, 2009 | 08:25 AM
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But there's a 70HP difference near redline.

Edited, just noticed you didnt scale the rpm overlay
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Old Jul 19, 2009 | 07:41 PM
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Ya, its scaled as best I could; the one graph is just a picture I took of my sheet, so its distorted a bit. It's not meant to be a direct comparo, but just some info on where you end up when you go different modding routes (i.e. bigger turbo before alky or vice versa).
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