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PostPosted: Thu Oct 09, 2014 3:23 am 
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Spends Too Much Time Under The Hood
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Joined: Mon Aug 23, 2010 7:02 pm
Posts: 381
Location: Seattle, WA
So a quick recap after a failed build I will be switching from my G4CS build to a built 2.0. Question is what piston is ideal and what compression ratio and why. I was thinking of going Wiseco 9.0:1 non HD Pistons. Anyone have better choices and why

Engine: Fresh bored, cleaned and inspected 2.0
Crank: 88mm polished, balanced and magna fluxed
Rods: 150mm Manley I-beams
Bearings: ACL TRI-METAL
All ARP hardware
Fuel: 1650 Bluemax, Wally 255, -6 feed and return, FuelLab filter and FPR, Evo 8 560cc for break in
turbo: FP 68HTA
Exhaust: EVO 3 manny and O2, Megan 3" DP, straight piped and side exit
Head: fresh cut, VITON seals, stock cams and gears, crower Springs and retainers, 3G lifters, polished combustion chamber and freshly lapped valves
Power goals: reliable 350-380 on 91-92 (once in WA) mild for those rods I know but they were basically gifted to me
Use: DD/ occasional drag

The suspension, engine management, air flow, brakes and tires are adequate already just see my build page and specs from me and Bowdown building her

Your advice is always appreciated and taken seriously! Best forum I've ever been apart of

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PostPosted: Thu Oct 09, 2014 3:28 am 
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Spends Too Much Time Under The Hood
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Location: Seattle, WA
To clarify the bore will be done after I select good pistons for my goals and setup. Mind you I will get bored of reliable power and later seek 450+ for street use and fun levels through the roof so if you have a piston in mind please let me know or else Wiseco 9.0 non HD I will choose

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95 Mirage S Sedan- Evo III Project {In Process}
91 Talon TSi AWD- SOLD
91 Mirage 4dr 4G63T -Daily
2016 Ford Edge Titanium -2L.0T AWD Wife
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PostPosted: Thu Oct 09, 2014 9:20 am 
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2nd Banana
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Location: San Diego, CA.
Are you gonna be running E85 at all? If you're only going for pump gas power, I think 9:1 is about the highest I'd want to go compression wise. Maybe even 8.5:1

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PostPosted: Thu Oct 09, 2014 11:36 am 
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Spends Too Much Time Under The Hood
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I will want to use E85 and would like to have that option

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95 Mirage S Sedan- Evo III Project {In Process}
91 Talon TSi AWD- SOLD
91 Mirage 4dr 4G63T -Daily
2016 Ford Edge Titanium -2L.0T AWD Wife
facebook.com/modicausmc


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PostPosted: Thu Oct 09, 2014 12:22 pm 
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2nd Banana
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Location: San Diego, CA.
Quote:
I will want to use E85 and would like to have that option
9:1 is probably the best option then, because they will be cheaper and more readily available than going with a higher compression ratio, but if you were building a motor that was only going to see E85, you could easily go 10:1 or even higher than that.

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91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD

http://www.facebook.com/captaintonus


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