350HO dyno results
06-19-2004 | 05:11 AM
#1
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350HO dyno results
350HO Vortec dynoed finally, 385hp@5200-5400rpm, 450ft.lbs@3300rpm.
Modifications to crate engine; Crane 109821 roller, SpeedPro H345 pistons, FelPro 1094 head gaskets, measured CR 9.3:1, RPM Air-Gap, BG 650dp, T-Bolt ignition w/24`box, total timing 34`, dynoed w/headers, 87octane gas, Stainless Marine exhaust instead of GLM, that was first choice for boat. Final assembly of new drive, and finishing engine, hope to get boat ready for test drive in a week...
Thanks for advice to all, who answered my questions
S-24
Modifications to crate engine; Crane 109821 roller, SpeedPro H345 pistons, FelPro 1094 head gaskets, measured CR 9.3:1, RPM Air-Gap, BG 650dp, T-Bolt ignition w/24`box, total timing 34`, dynoed w/headers, 87octane gas, Stainless Marine exhaust instead of GLM, that was first choice for boat. Final assembly of new drive, and finishing engine, hope to get boat ready for test drive in a week...
Thanks for advice to all, who answered my questions
S-24
06-20-2004 | 08:29 AM
#3
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From: SWFL
Re: 350HO dyno results
Thats big block type power with weight of a small block, now if ya' stroked it.........and then whippled it....... oopps sorry I'm back now those are great results, can you post a dyno sheet?.
06-20-2004 | 10:33 AM
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Re: 350HO dyno results
70 jetīs pri/ 80 sec. Here are dyno results, note that tq is in NM`s!
correction factor is 1.025. Test was run on Stuska Dyno. Hp stayed flat
from 5200-5500 = 385hp.
tq hp
2500 583 207
3000 612 261
3500 615 306
4000 600 342
4500 574 368
5000 537 382
5500 491 385
correction factor is 1.025. Test was run on Stuska Dyno. Hp stayed flat
from 5200-5500 = 385hp.
tq hp
2500 583 207
3000 612 261
3500 615 306
4000 600 342
4500 574 368
5000 537 382
5500 491 385
Last edited by S-24; 11-05-2007 at 05:55 AM.
06-20-2004 | 07:42 PM
#6
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From: SW Ohio
Re: 350HO dyno results
Sounds like my setup. Im running the Comp XM270HR roller with 9.21 compression. With a D.U.I. ingintion. 8* initial and 32 total @3000. Im getting 403Hp @5500 and 395lbs @5000. Gotta love your torque #'s Thats impressive 
BH
BH
