Can I get some Dyno numbers for my big block?

[Mopar_Mudder]

Was wondering if some of you guys with different Dyno programs could run my combo through and see what you come up with. I have Desk Top Dyno 2000 but wonder about how close it may be.

440 bored .030 over
KB pistons, 10.0:1 actual compression
Muscle Motors Stage 1 Ported headed, 2.14 intake 1.81 exhaust
Solid lifter ROLLER cam: 285/285 advertised duration, 252/252 duration @ .050, .562/.562 lift, 108 deg centerline
1.5:1 Roller Rockers
1-3/4” primary, 3” collector headers, with Dual 3” exhaust
Edlebrock Performer RPM intake
750 Holley Vac secondary carb
Under drive alum pulleys
What did I miss?

And just for kick how about some ¼ mile times, LOL
7000# 4x4 truck, 38” diameter tires, 4.88:1 gears, manual 4 spd
Building an automatic this winter for it, do any of them programs give an optimum stall speed?

Thanks for any help; I know it is asking a lot. With any luck I will get this on a dyno stand this winter and try out a single plane intake and some carb spacers and a bigger carb. We will see what the money allows!!!


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Mopar_Mudder
--CLICK HERE FOR MY TRUCK PAGE--
1983 Dodge W350 4x4, Reg Cab, Long Box
Dana 60's (4.88 gears), 38.5 Swamper SX's, 205 Trans Case
ARB Lockers Front and Back
440 , .030 over, 10.0:1, Ported 346 heads, 2.14/1.81 Valves
285/285 .562/.562 lift solid rolle

[J D]

Cant help you with the dyno #'s. Have you ever been in a 4 wheel drive trying to crawl down a steep incline with a stall converter? Terifying!!!!

[Mopar_Mudder]

True, That is why I have disc brakes all the way around!!

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Mopar_Mudder
--CLICK HERE FOR MY TRUCK PAGE--
1983 Dodge W350 4x4, Reg Cab, Long Box
Dana 60's (4.88 gears), 38.5 Swamper SX's, 205 Trans Case
ARB Lockers Front and Back
440 , .030 over, 10.0:1, Ported 346 heads, 2.14/1.81 Valves
285/285 .562/.562 lift solid roller cam

[451Mopar]

In Desktop Dyno 2000 I used these numbers:
440 + 0.030" overbore, 10:1 compression, small tube headers with mufflers, 750 cfm carb, your cam specs with 108 LSA and 108 centerline.
Headflow estimate:
0.200" 141/102
0.300" 197/139
0.400" 239/164
0.500" 266/182
0.600" 282/185
0.700" 287/190
All at 28" H2o.
The intake flow numbers are from a measured Muscle Motors ported head, but the exhaust numbers are an estimate since I din't have real numbers from the Muscle Motors heads.

Simulated with a single plane intake the computer came up with 503HP @ 5,500 RPM, 520 Ft/lbs torque @ 4,500 RPM, and 414 ft/lbs at 2,000 RPM.
Simulated with the dual plane, 474HP @ 5,500 RPM, 505 ft/lbs torque @ 4,000 RPM, 449 Ft/lbs at 2,000 RPM.