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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #11  
Old 10-27-2009, 11:04 AM
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Quote:
Originally Posted by drp6982 View Post
Thats a sweet Build you got going on!! Congrats.....


But I really don't think it will be in the 8 or 9s in a truck body. My guess would be in the 10s at best..... unless you end up with more power then you were hoping for

Either way, its going to be one bad ass truck
LOL, I wish I where talking about the 1/4 mile...

We are talking about 1/8 mile not 1/4 mile... We are already running 9.49's in the 1/8 NA on the factory 8.75:1 bottom end.... so I dont see 8's in the 8th being too far off.

But with that said, HEMI trucks are running 12's with less then 600HP so I think we should be seeing good 1/4 mile times. Lets not forget our RPM shift point will be 7,000rpms. So we will be able to get more from each gear.

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Last edited by AIR RAM; 10-27-2009 at 11:07 AM.
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  #12  
Old 10-27-2009, 11:32 AM
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Quote:
Originally Posted by AIR RAM View Post
LOL, I wish I where talking about the 1/4 mile...

We are talking about 1/8 mile not 1/4 mile... We are already running 9.49's in the 1/8 NA on the factory 8.75:1 bottom end.... so I dont see 8's in the 8th being too far off.

But with that said, HEMI trucks are running 12's with less then 600HP so I think we should be seeing good 1/4 mile times. Lets not forget our RPM shift point will be 7,000rpms. So we will be able to get more from each gear.

SPEED SAFE, AIR RAM


7000 RPMS ? Why so high ? I haven't seen a HEMI making power that high..... Normally, they tap out around 6200 RPMS
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  #13  
Old 10-27-2009, 07:36 PM
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I think its weird people are saying it will or wont do the time and a VERY obvious question has not been asked. (or maybe I missed it) 10 Psi on what? A super charger, a turbo, what size, how much cfm will it push? 10 psi w/ a factory golf turbo is WAY less cfm than 5 psi on a dump truck turbo. Its impossible to say accurately what it will or wont do w/o specs guys. (I am not doubting the AirRam here, more asking for the details) Not tryin to be a jerk, but doubters need more evidence before calling "bluff".
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  #14  
Old 10-27-2009, 07:43 PM
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Quote:
Originally Posted by GregInAtl View Post
I think its weird people are saying it will or wont do the time and a VERY obvious question has not been asked. (or maybe I missed it) 10 Psi on what? A super charger, a turbo, what size, how much cfm will it push? 10 psi w/ a factory golf turbo is WAY less cfm than 5 psi on a dump truck turbo. Its impossible to say accurately what it will or wont do w/o specs guys. (I am not doubting the AirRam here, more asking for the details) Not tryin to be a jerk, but doubters need more evidence before calling "bluff".
True, but Gold Turbo or not, its safe to say it won't turn those #s in the 1/4 mile
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  #15  
Old 10-27-2009, 09:58 PM
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haha, you are right, but he was talkin 1/8th!!
I have a bunch of boosted cars, and every time some ricer would ask "how many psi you runnin?" If you didnt say 20+ he thought you were slow....haha, bring that civic w/ a t25 on 20 psi against my GN on 16#s.... and your wallet.....it'll ruin your week.
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  #16  
Old 10-29-2009, 03:23 PM
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Quote:
Originally Posted by GregInAtl View Post
I think its weird people are saying it will or wont do the time and a VERY obvious question has not been asked. (or maybe I missed it) 10 Psi on what? A super charger, a turbo, what size, how much cfm will it push? 10 psi w/ a factory golf turbo is WAY less cfm than 5 psi on a dump truck turbo. Its impossible to say accurately what it will or wont do w/o specs guys. (I am not doubting the AirRam here, more asking for the details) Not tryin to be a jerk, but doubters need more evidence before calling "bluff".
Yea, but using your same comparison, a factory golf turbo has a much smaller displacement than a dump truck engine (i'm assuming, depends on the dump truck i guess, haha j/k). Therefore it doesn't need as much cfm to achieve the same boost. He also stated that he hopes to get about 525 whp with 10 psi, it doesn't matter how much cfm he gets if he is already giving his estimated hp number.

Like I said earlier, I think he'll get low 12's with those kind of numbers, unless he puts big slicks on the back and does some serious weight reduction. You mentioned Hemi's running 12's with 600hp, but keep in mind, they have all the power down low due to being NA. If you use a turbo, you're power will sit higher in the rpm range, and also you are using spray to get that 600hp, which isn't the same as 600hp from the motor.

I haven't seen to many Hemi power curves, but if the power peaks at 6200 rpm's than you want to drive over that peak before you shift so you stay in the power band. If you shift at 6200 you will fall out of the power band when you get in your next gear.
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  #17  
Old 10-29-2009, 03:25 PM
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Quote:
Originally Posted by GregInAtl View Post
haha, you are right, but he was talkin 1/8th!!
I have a bunch of boosted cars, and every time some ricer would ask "how many psi you runnin?" If you didnt say 20+ he thought you were slow....haha, bring that civic w/ a t25 on 20 psi against my GN on 16#s.... and your wallet.....it'll ruin your week.

That's because most people don't build their engine up and those 4 bangers don't produce a lot of power on their own, but if you put a massive amount of boost in it, it'll fly. However you do need 20+ lbs to make it fly if you haven't built your engine up.
What kind of times did you run with your GN?
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  #18  
Old 11-01-2009, 10:34 PM
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The GN hasnt been to the track in ages, it sat for a few years when my son was born, and now its ready to visit the track again. (if they weren't already closed for the winter) I'll be there in the spring, til then I have time to tune and double check everything.
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  #19  
Old 11-05-2009, 01:06 PM
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Quote:
Originally Posted by GregInAtl View Post
I think its weird people are saying it will or wont do the time and a VERY obvious question has not been asked. (or maybe I missed it) 10 Psi on what?
Well most people already know what Supercharger we are planning to run. With our intake addapter plates we are now able to physically bolt up a 2003-2004 Cobra EATON M112 Superharger to the 4.7L engine.



This Supercharger can handle just over 10PSI while many Cobra guys are getting over 13PSI out of them without any issues.



The great thing about being able to bolt up the EATON M112 is that Whipple makes a 3.4L that will bolt right up in place of it!

Quote:
Originally Posted by GregInAtl View Post
A super charger, a turbo, what size, how much cfm will it push?
SUPERCHARGER ROOTS STYLE - The 4.6L Cobra has a lower intake manifold which houses a FLOW THROUGH heat exchanger. Running ice water through this should drop the blower charge temps which will allow us to run more boost safely.




Quote:
Originally Posted by GregInAtl View Post
10 psi w/ a factory golf turbo is WAY less cfm than 5 psi on a dump truck turbo.
Yes but you already know that its 10PSI on a 4.7L engine.

The heads flow just over 278cfm @050.


Quote:
Originally Posted by GregInAtl View Post
Its impossible to say accurately what it will or wont do w/o specs guys. (I am not doubting the AirRam here, more asking for the details)
A small effort of research would have all this information right in front of you.

Quote:
Originally Posted by GregInAtl View Post
Not tryin to be a jerk, but doubters need more evidence before calling "bluff".
I dont think your a jerk... You just have not been following our build up. .... Now you know.



2002 Dodge Ram 4.7L with Sullivan Single Plane intake manifold. To date there is NO loss of low end torque but a HUGE gain of top end pulling power. With the Sullivan Intake and only a base SCT tune with 26 degrees of timing advance and an AFR of 12:1 across the RPM range our 5125lb Quad Cab Ram ran:

R/T....... .147
60'........ 2.285
330....... 6.366
1/8....... 9.733 @ 72.28
1000..... 12.712
1/4....... 15.229 @ 89.76

There is room for tuning improvement. I would like to think we can make another 15-20RWHP with some tweaks.

SEED SAFE, AIR RAM

Last edited by AIR RAM; 11-05-2009 at 01:15 PM.
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  #20  
Old 11-07-2009, 11:18 AM
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That's a pretty respectable time for a heavy, full size truck. That is just a few tenths slower than my NA 3000gt's quartermile time was (14.8 @ 94.5mph; approx 200 FWHP). Is that on your 300hp set up?

I was meaning to ask you what kind of gains do you see from your intake alone?
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