how do these numbers sound for the upgrades? - Hemi Truck Club
 
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Old 11-28-2012, 05:34 PM   #1
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670whp minimum on CA91 gas and 750whp minimum for e85?

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2008 Jeep GC srt8 6.1L HEMI
(6.1L 370 HEMI Block bored and stroked to a 426 stroker, ST-3A camshaft,148mm throttle body, Kennebell 2.8 supercharger, blower, AtI harmonic balancer, Kennebell serpentine belt tentioner, idler kit, engine serpentine belt tentioner, 80lb FORD racing fuel injectors, kennebell fuelrails, E85 capablefuel system, paramount stage 2 transmission, paramount high torque transfer case, double crank vents, Kooks custom exhaust headers, coffin mufflers, 6 point roll cage, 5 point harness, adjustable rear shocks,drilled and slotted roaters, CA91 650rwhp, E85 787rwhp tune.. installed and tuned by spanktime motors, Team Spankintime member #6 of 10
()-650rwhp CA91
()-787rwhp E85
my Jeep srt: hunts for camaro's, skins cobra's, preys on vette's

2006 Dodge Charger 5.7L Hemi R/T- Stage 2 AFE CAI
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Old 11-28-2012, 05:34 PM   #2
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670whp minimum on CA91 gas and 750whp minimum for e85?
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2008 Jeep GC srt8 6.1L HEMI
(6.1L 370 HEMI Block bored and stroked to a 426 stroker, ST-3A camshaft,148mm throttle body, Kennebell 2.8 supercharger, blower, AtI harmonic balancer, Kennebell serpentine belt tentioner, idler kit, engine serpentine belt tentioner, 80lb FORD racing fuel injectors, kennebell fuelrails, E85 capablefuel system, paramount stage 2 transmission, paramount high torque transfer case, double crank vents, Kooks custom exhaust headers, coffin mufflers, 6 point roll cage, 5 point harness, adjustable rear shocks,drilled and slotted roaters, CA91 650rwhp, E85 787rwhp tune.. installed and tuned by spanktime motors, Team Spankintime member #6 of 10
()-650rwhp CA91
()-787rwhp E85
my Jeep srt: hunts for camaro's, skins cobra's, preys on vette's

2006 Dodge Charger 5.7L Hemi R/T- Stage 2 AFE CAI
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Old 11-28-2012, 05:44 PM   #3
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I am curious what your CR is. Usually you don't just take a NA engine and FI to this level without at least a piston change.
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Old 11-28-2012, 05:55 PM   #4
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Sorry i forgot to say its being supercharged, here's the list of all the upgrades:
Paramount preformance stage 2 transmission, kb 148mm throttle body, kenne bell serpentine belt tentioner, idler kit, engine serpentine accessory driver belt, 2.8 LC with fuel rails, blower, fuel system, 80lb ford racing injectors, ATI harmonic balancer, high torque transfer case.
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2008 Jeep GC srt8 6.1L HEMI
(6.1L 370 HEMI Block bored and stroked to a 426 stroker, ST-3A camshaft,148mm throttle body, Kennebell 2.8 supercharger, blower, AtI harmonic balancer, Kennebell serpentine belt tentioner, idler kit, engine serpentine belt tentioner, 80lb FORD racing fuel injectors, kennebell fuelrails, E85 capablefuel system, paramount stage 2 transmission, paramount high torque transfer case, double crank vents, Kooks custom exhaust headers, coffin mufflers, 6 point roll cage, 5 point harness, adjustable rear shocks,drilled and slotted roaters, CA91 650rwhp, E85 787rwhp tune.. installed and tuned by spanktime motors, Team Spankintime member #6 of 10
()-650rwhp CA91
()-787rwhp E85
my Jeep srt: hunts for camaro's, skins cobra's, preys on vette's

2006 Dodge Charger 5.7L Hemi R/T- Stage 2 AFE CAI
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Old 11-28-2012, 07:20 PM   #5
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What is your engines Compression Ratio (CR)?

For example, my engine was built for boost (FI) with a Compression Ratio of 8:2, much lower than a Naturally Aspirated (NA) engine.

Applying real boost to an NA engine....not so good.
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Old 11-28-2012, 07:36 PM   #6
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What I'm rocking 9.6:1 at 12+ psi and only now possibly lifted a head due to a misscomunication and head studs not being installed in my motor
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Old 11-28-2012, 07:48 PM   #7
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Generally speaking.
Wondering what that SRT Jeep has for a CR.
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Old 11-28-2012, 08:15 PM   #8
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I think it its running 9.5:1 but i will ask them what it is. I just read that somewhere the 426 stroker is that.
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2008 Jeep GC srt8 6.1L HEMI
(6.1L 370 HEMI Block bored and stroked to a 426 stroker, ST-3A camshaft,148mm throttle body, Kennebell 2.8 supercharger, blower, AtI harmonic balancer, Kennebell serpentine belt tentioner, idler kit, engine serpentine belt tentioner, 80lb FORD racing fuel injectors, kennebell fuelrails, E85 capablefuel system, paramount stage 2 transmission, paramount high torque transfer case, double crank vents, Kooks custom exhaust headers, coffin mufflers, 6 point roll cage, 5 point harness, adjustable rear shocks,drilled and slotted roaters, CA91 650rwhp, E85 787rwhp tune.. installed and tuned by spanktime motors, Team Spankintime member #6 of 10
()-650rwhp CA91
()-787rwhp E85
my Jeep srt: hunts for camaro's, skins cobra's, preys on vette's

2006 Dodge Charger 5.7L Hemi R/T- Stage 2 AFE CAI
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Old 11-29-2012, 04:17 AM   #9
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Quote:
Wondering what that SRT Jeep has for a CR
Stock, it's around 10.5. With a custom 426 stroker kit, it's what ever the customer/engine builder ordered.
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