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300C, Magnum RT & Charger RT (5.7L V8)
Discussion for the 5.7L Hemi Chrysler 300C,
Dodge Magnum RT and Charger RT

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  #16  
Old 07-07-2009, 02:33 PM
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Quote:
Originally Posted by PowerWagon896
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Something that is not being considered here is the torque that accompanies the HP #s.

While FRI Sparrow cammed 5.7s made nearly as much HP on the same dyno as my Inertia Super Spartan, (423 RWHP for the Sparrow/426RWHP for the Super Spartan) the big difference was the 30# torque advantage of the Super Spartan over the Sparrow cam. (460 RWTQ for the Super Spartan/430 RWTQ for the Sparrow)

Equally important is for the TQ curve to maintain ityself W/O falling on it's face to enable keeping the HP curve on the rise to 6000 RPM or a bit more.

That allows the gear to be held to a shift point that will bring the recovery RPM after the shift on the top of the TQ band.

High HP @ the expense of TQ will not get you low ETs as your 60' time will suffer & a TQ curve that falls off too soon won't keep you accellerating long enough to make the most of a great 60' time.
and a perfectly good thread just became a my vendor is better than your vendor thread!
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  #17  
Old 07-07-2009, 02:36 PM
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wow dyno racing ...cool
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  #18  
Old 07-07-2009, 02:40 PM
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Quote:
Originally Posted by PowerWagon896
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Something that is not being considered here is the torque that accompanies the HP #s.

While FRI Sparrow cammed 5.7s made nearly as much HP on the same dyno as my Inertia Super Spartan, (423 RWHP for the Sparrow/426RWHP for the Super Spartan) the big difference was the 30# torque advantage of the Super Spartan over the Sparrow cam. (460 RWTQ for the Super Spartan/430 RWTQ for the Sparrow)

Equally important is for the TQ curve to maintain ityself W/O falling on it's face to enable keeping the HP curve on the rise to 6000 RPM or a bit more.

That allows the gear to be held to a shift point that will bring the recovery RPM after the shift on the top of the TQ band.

High HP @ the expense of TQ will not get you low ETs as your 60' time will suffer & a TQ curve that falls off too soon won't keep you accellerating long enough to make the most of a great 60' time.


I don't seem to have any problem with my Sparrow running 12.0's at 113+..

Wait till i put these new 3.06's to use and some skinnies on the front....


Dyno is cool and all but take her to the track..
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  #19  
Old 07-07-2009, 02:42 PM
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Originally Posted by dudeiwin86
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and a perfectly good thread just became a my vendor is better than your vendor thread!
and this surprises you why?It's an easy retort though when you remeber HemiC is still the only n/a 5.7 in the 11's.....with a LITTLEBOY.

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  #20  
Old 07-07-2009, 02:43 PM
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  #21  
Old 07-07-2009, 02:43 PM
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Originally Posted by Hemi31
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and this surprises you why?It's an easy retort though when you remeber HemiC is still the only n/a 5.7 in the 11's.....with a LITTLEBOY.

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  #22  
Old 07-07-2009, 02:46 PM
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Quote:
Originally Posted by Hemi31
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and this surprises you why?It's an easy retort though when you remeber HemiC is still the only n/a 5.7 in the 11's.....with a LITTLEBOY.

Posted via LXFMobile
wait, you mean that because it has 30 ft lbs more on the dyno.. its not faster?

i thought superspartan cars have like 90rwhp more on the dyno than that 3yr old little boy ?
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  #23  
Old 07-07-2009, 02:49 PM
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dont you know we dyno race now.. it saves the enviroment by not doing burnouts and wasting tires. the rubber trees will be safer.
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  #24  
Old 07-07-2009, 03:08 PM
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Wow going form a whippled 04 cobra to a stock 5.7 how is that going for ya? I would miss all my old power!!!!! I couldnt think about trading my car in for somthing that was dramaticly slower. But I guess when you have a family they come first!!! talk to PPP andy has a great line of products. Dont get suckd in to the cheapest parts you can find. the saying you get what you pay for hold very true to these cars
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  #25  
Old 07-07-2009, 03:19 PM
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dont you know we dyno race now.. it saves the enviroment by not doing burnouts and wasting tires. the rubber trees will be safer.
Do we still have to wear our helmets ????
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  #26  
Old 07-07-2009, 04:11 PM
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Helmets optional.



I'm pretty sure Gary had over 440 in TQ.
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  #27  
Old 07-07-2009, 04:17 PM
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Do we still have to wear our helmets ????
of course .. we got to be safe ya know.
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  #28  
Old 07-07-2009, 04:21 PM
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of course .. we got to be safe ya know.
awwww man
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  #29  
Old 07-07-2009, 04:25 PM
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It was around 448 on the torque
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  #30  
Old 07-07-2009, 04:45 PM
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So the difference was 12 on the torque side.

Not enough to carry on the war of spartan vs sparrow is it?
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