Chassis Dyno - Page 2 - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
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post #21 of 32 Old 06-02-2009, 09:21 PM Thread Starter
threetwos
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Had a lot of fun, wish my Cummins Dodge would fit on this Dyno frame. It's too long on the assend even though it's a shortbed. I had to remove my Winch Plate and Hi-Lift Jack on this rig to fit!
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post #22 of 32 Old 06-02-2009, 11:13 PM
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I thought the torque would be low due to headers+Performer RPM with a cam meant for manifolds+Performer manifold.... A cam with 210-220 dration would be better suited for your induction/exhaust.

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post #23 of 32 Old 06-03-2009, 05:43 AM
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how do you feel about the numbers ?




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post #24 of 32 Old 06-03-2009, 06:06 AM
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Seems kinda low numbers, but I guess to really compare it to a factory MPI 5.9 you'd have to run one on the dyno. As B300 says, w/ the carb you may need a different cam.

However they aren't bad numbers. So does this dyno read the same as a Dynojet, or lower (like the Mustang dynos)? Or higher?

Rob M.
'93 D150 RC SWB, 5.2 Magnum, NV4500 5-spd, 9.25" diff
'72 D100 RC LWB, PT project
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post #25 of 32 Old 06-03-2009, 09:43 AM Thread Starter
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Ram Man,, I am satisfied with the numbers,,the torque curve was nice and flat and had ample torque for the small cam thats in it now. We give 'No quarter' on that SuperFlow Dyno! The correction factors are set up so you dont get any breaks at all. To put this in perspective: A new 08 Hemi Powered Ram Truck,(Daytona package), made 245 H.P. a 2006 Chevy V8 Ls something or another,lol, about the same. They made about 320 or so torque so I am behind on H.P. but torque I am almost the same. I take this truck Off-Road at times and pull a small trailer with it at times,,so no big cams. However, if I were to add some additional Hi-Po parts it would be a newer design hydraulic roller with a bit more lift, a bit more intake duration 10-15 degrees, a set of Engine Quest Aussie made heads, 770 CFM Truck Avenger carb. But this would cost a lot of cash and move the powerband up a bit but would probably make an additional 50 H.P. and few more ft. lbs. of torque. The dyno's themselves be it Superflow, Mustang, Dyno-Jet ect are all good dyno's, it depends on the operator and the software he uses. We use SuperFlow products exclusively. I also forgot to mention the engine in my Dodge Truck has approx.65k miles on it. We also had a 1965 Pontiac GTO tin indian, and it had the 389 three twos' and it made only 187 H.P. and 250 Torque. I would have been disappointed big time if it were my tin indian.

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post #26 of 32 Old 06-03-2009, 10:28 AM
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Really, a Hemi Ram only made 245 whp? That's a 100hp drop between the crank and the wheels. 30% loss basically.

And the Chevy trucks have LS3's

Rob M.
'93 D150 RC SWB, 5.2 Magnum, NV4500 5-spd, 9.25" diff
'72 D100 RC LWB, PT project
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post #27 of 32 Old 06-03-2009, 12:45 PM Thread Starter
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Yeah, it's a pretty tough dyno. And mine you the numbers I gave for those other vehicles is approx.,,I'm not a a certified operator and have as many questions as the next guy about it. After this summer I hope to have my cert. and many of those questions answered.
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post #28 of 32 Old 06-03-2009, 08:30 PM
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hows the truck feel on the road
i think the numbers are good and i suspect the truck feels pretty stout while driven
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post #29 of 32 Old 06-04-2009, 12:11 AM
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Well, after thinking about it, I think 20-30% loss is about what they say you lose on a rwd, so it's probably pretty accurate. Fwd loss is like 15-20%.

Rob M.
'93 D150 RC SWB, 5.2 Magnum, NV4500 5-spd, 9.25" diff
'72 D100 RC LWB, PT project
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post #30 of 32 Old 06-04-2009, 09:00 AM Thread Starter
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Heavy01--it feels really good especially for a 4 speed granny low NP 435. Really it's like a 3 speed with no overdrive.LOL..Stout transmission though! For a 20 year old rig it's very nice and solid. Speed,, yeah the operator/instructor was telling us 20-30% depending on the configuration, frontal area ect is about right. Dont get me wrong guys I would loved to have seen 250-260 H.P. and 350 Torque that would have been very cool! Maybe someday
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post #31 of 32 Old 06-04-2009, 09:25 AM
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I think the right cam would put you there. BTW, what's different about the Engine Quest heads, as opposed to other replacement heads?

Rob M.
'93 D150 RC SWB, 5.2 Magnum, NV4500 5-spd, 9.25" diff
'72 D100 RC LWB, PT project
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post #32 of 32 Old 06-04-2009, 09:36 AM Thread Starter
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The engine quest heads are really nice from everything I have been reading about them. They have addressed the exhaust valve issue by using both hardened H.D. seats and adding strengthening ribs to the outside of the casting. They are H.D. iron castings so they should be able to take a lot of abuse,(detonation, overheating ectt when things go wrong) They flow around 220 CFM on the intake opposed to 200 stock OEM and thats at lower usable lifts with the gains occuring at .200-.500 lifts which is perfect for street applications and a decent cam. Yeah you guys are right. I need more camshaft. But with the weight of the truck, I have an extra 500-700 lbs. tools,,safety equipment, jacks, more tools,,lol. and the fact that this setup has a lot of bottom end grunt which is perfect for crawling offroad in granny low,,lol
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