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Old 05-30-2011, 08:22 PM
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Dyno sim my setup please

I posted this in the hotrodding basics section thinking it was this one, anyways maybe Techinspector can help me out? Does anyone here have a version of desktop dyno or something similar to run my specs of my mill. I have a old version of dd 2000, but would like to see what a more modern version says. Heres my engine specs

SBC 355 , .030 over, 3.48" stroke, 6"rods
hypereutectic flat tops 5cc reliefs, .018" in the hole with .026", 4.1" gasket
solid roller 280/288, 247,255 @.050", .548, .573 lift, 114 lsa on 110 cl
super victor efi single plane, 1000cfm throttle body
1 3/4" headers, 3" collectors
Edelbrock etec 200 heads

I E
.100 67 57
.200 122 110
.300 175 153
.400 223 182
.500 252 196
.600 259 204

And this is for gasoline.

Thanks

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Old 05-31-2011, 12:24 AM
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Pretty nice combination. You didn't give me the timing figures or the cam part#, so I had to figure it out myself. Double check me on the timing numbers....IO 13.5, IC 53.5, EO 65.5, EC 9.5
Static compression ratio is 10.28:1, almost too light for this cam. Motor could use another point of compression and make another 20 hp. I would be thinkin' a 3500/4000 stall converter.
RPM HP TQ
2000 122 320
2500 164 344
3000 207 363
3500 267 401
4000 328 431
4500 384 448
5000 433 455
5500 469 448
6000 487 427
6500 492 397
7000 480 360
Peak volumetric efficiency 108.3% @5500 (355 thinks it's a 384)
Peak BMEP 193.0 @5000
Retard the cam 2 degrees and pick up 15 hp at the top. (It comes off the bottom, there's no free lunch).

Last edited by techinspector1; 05-31-2011 at 12:30 AM.
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Old 05-31-2011, 10:29 AM
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Thanks! It's a crower cam 00550. According to the cam card, the timing events you had are short .5, Pretty close! The compression is likely the lowest you would want with this cam, but hopefully it will run on regular pump gas. I have a manual trans and 4.10 gears. It should be fun when I finally get it on the road.
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Old 05-31-2011, 05:12 PM
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Quote:
Originally Posted by RippinRon
Thanks! It's a crower cam 00550. According to the cam card, the timing events you had are short .5, Pretty close!
They rounded off the numbers to the next whole number.

With a BMEP of 193, I'd be tightening up the squish to insure operation on crap pump gas.
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