Dodge Ram Hemi - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 23 (permalink) Old 07-22-2002, 08:22 PM Thread Starter
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Dodge Ram Hemi

Let me get this straight. The Corvette make 350 hp and 375 ft-lbs (on premium-91) with a dual exhaust, and the Dodge Ram (2500) Hemi makes 345 hp 365 ft-lbs (on midgrade 89) with a single exhaust. Also the compression ratio is lower on the hemi 9.6 vs 10.1

Boy, somebodies engine sucks.
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post #2 of 23 (permalink) Old 07-22-2002, 09:15 PM
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It will be interesting to see some dyno numbers for production cars/trucks to see if it is that good or over/under rated specs. On paper it seems like an very interesting V8.
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post #3 of 23 (permalink) Old 07-22-2002, 09:59 PM
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umm, MikeW, I have read some of your posts and you seem like a very smart person, it doesn't really make sense that you would think that amount of exhaust pipes makes all the difference in how much power a car makes......
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post #4 of 23 (permalink) Old 07-22-2002, 10:00 PM
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HEMI baby!!!!!!!!!!
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post #5 of 23 (permalink) Old 07-22-2002, 10:06 PM
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Quote:
Originally posted by 95-TREP-3.5
umm, MikeW, I have read some of your posts and you seem like a very smart person, it doesn't really make sense that you would think that amount of exhaust pipes makes all the difference in how much power a car makes......
but more flow can help with power...and 2 pipes flows better than one.....
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post #6 of 23 (permalink) Old 07-22-2002, 10:06 PM
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Quote:
Originally posted by Intrepid99


but more flow can help with power...and 2 pipes flows better than one.....
Now you get into pipe size versus pipe number.
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post #7 of 23 (permalink) Old 07-22-2002, 10:08 PM
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yes, but here is the idea, you also have to factor in the major power producers and then think about the little things. big things like engine specifics, transmission, yada yada
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post #8 of 23 (permalink) Old 07-23-2002, 08:11 AM
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Quote:
Originally posted by 95-TREP-3.5
yes, but here is the idea, you also have to factor in the major power producers and then think about the little things. big things like engine specifics, transmission, yada yada
A transmission has no effect on flywheel horsepower, and it is at the flywheel where auto makers messure output.
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post #9 of 23 (permalink) Old 07-23-2002, 07:46 PM
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Re: Dodge Ram Hemi

Quote:
Originally posted by MikeW
Let me get this straight. The Corvette make 350 hp and 375 ft-lbs (on premium-91) with a dual exhaust, and the Dodge Ram (2500) Hemi makes 345 hp 365 ft-lbs (on midgrade 89) with a single exhaust. Also the compression ratio is lower on the hemi 9.6 vs 10.1

Boy, somebodies engine sucks.
Ahhh, the beauty of hemispherical combustion chambers. I just hope these things will be reliable. ;)

As smart as you are, I KNOW that you recocnize that the 10.1:1 requires the 91 octane because of the tendancy of gasoline to detonate under higher pressures. ;)

Last edited by viprman; 07-23-2002 at 07:52 PM.
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post #10 of 23 (permalink) Old 07-23-2002, 08:27 PM Thread Starter
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waiting to exhale

I think the corvette has a 2.5" exhaust system on each bank, 2 x 1.5625 =3.125 square inches (times pi of course) Lets say the Ram will have a single 3" 1.5*1.5=2.25 square inches 3.125/2.25 = 1.38888. That is a good third more area, if the Vette uses 2.5. if it only uses a 2.25" and the Ram still uses 3" then the dual has 12.5% more area.


VW Passat Quattro 197 hp (dual exhaust)187 front wheel drive & single exhaust.
Lexus GS300 220hp, IS300 215hp (not as quiet)
MB E-class V6 221 hp, C-class V6 215
Jaguar S-type V6 235hp, X-type 228
Camaro SS dual 335, regular SS 320 (was 320 when dual was an option)
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post #11 of 23 (permalink) Old 07-24-2002, 12:25 AM
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when did the rams get hemi's? I was under the impression that the rams all were the LA series 360's (5.9) or 8.0L v10's... hemi's not back yet?
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post #12 of 23 (permalink) Old 07-24-2002, 12:31 PM
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Quote:
Originally posted by Intrepid99


but more flow can help with power...and 2 pipes flows better than one.....
not true- a properly tuned single exhaust will work better is alot of applications than dual. You need propper exhaust gas scavanging (backpressure)for the gasses to flow for maximum performance.

Last edited by VISION1; 07-24-2002 at 12:35 PM.
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post #13 of 23 (permalink) Old 07-24-2002, 08:55 PM
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for example, the new Camaro SS's got single exit exhaust, yet it makes more power than any other fuel injected SS
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post #14 of 23 (permalink) Old 07-29-2002, 02:06 AM
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Actaully the F bodies have had a single exhaust system since the early 80's, all they have is a single in dual out muffler.
They have duals, just not true duals.
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post #15 of 23 (permalink) Old 07-29-2002, 06:36 AM
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since mike w was implying that chevy motors are of poor build quality and dont produce the same hp/torque of dodge's hemi, did you look at the specs for the 2002 Z06 Vette?

Just saying your comparing chevy's base engine to dodge's top o the line motor, compare apple to apples. And you cant throw in the dodge viper v10 motor, im taking 8 cylinder to 8 cylinder. Chevy doesnt have a motor to compare evenly with the vipers because they dont need one, chevy can almost equal the vipers numbers with the z06 with 2 less cylinders. Not talking crap about dodge but they need extra cylinders because they dont have the hemi back in action yet.
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