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Another --How much HP?---Engine dyno--416 stroker post #1299419
09/07/12 09:39 PM
09/07/12 09:39 PM
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The Great White North
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Here's the rundown:

360 block/half fill/line honed/decked, yadda yadda yadda.etc....

4" stroke 4340 Eagle crank with SCAT 6.123" rods
Icon 745's with a final static comp ratio of 10.5

Heavily worked EQ Magnum heads with 2.08"/1.60" flow 303-304 @ .630"
with a min CSA of 2.35" (wasn't easy)

Eddy SV with plenum work and port match .5 open spacer
Holley 830 or 1000hp with annulars

Hydro-roller 108 LSA 250/252 @ .050" .660"/.590" design (not actual)

Schoenfeld 1 5/8" 1 3/4" step headers with a 3.5 to 3" hillbilly merge
collector.

I have a great deal of faith that this combo will produce great power for what it is--What say you Moparts? J.Rob


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Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299420
09/07/12 09:59 PM
09/07/12 09:59 PM
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W5DART66 Offline
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603HP 546TQ. What do I win.....

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299421
09/07/12 10:04 PM
09/07/12 10:04 PM
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The Great White North
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Don't know yet but soon, very soon.

Gotta love ya Brett!

I like your guess (more like estimate) on HP but am searching for about 20 more ft/lbs.

At this point I am just really curious if I can get the FPS on the small ports down enough to get this many cubes to rpm enough. J.Rob


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Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299422
09/07/12 10:43 PM
09/07/12 10:43 PM
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nc
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emarine01 Offline
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Quote:

603HP 546TQ. What do I win.....


Hey... That was my guess

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299423
09/07/12 10:44 PM
09/07/12 10:44 PM
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Renton Washington
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Triple Threat Offline
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599.9


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299424
09/07/12 11:06 PM
09/07/12 11:06 PM
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Delray beach, Florida
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so a couple are thinking along the lines of 1.45 hp/ cube. i would expect a bit less, more like 1.2hp/ cube. small HR cam with a small port will make great torque.


machine shop owner and engine builder
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299425
09/07/12 11:13 PM
09/07/12 11:13 PM
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Posts: 4,501
Gainesville,FL
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goldmember Offline
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Gainesville,FL
570hp/540ftlbs.

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: Performance Only] #1299426
09/07/12 11:16 PM
09/07/12 11:16 PM
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W5DART66 Offline
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Quote:

so a couple are thinking along the lines of 1.45 hp/ cube. i would expect a bit less, more like 1.2hp/ cube. small HR cam with a small port will make great torque.



I say small port makes poor TQ (peek) and just not good for much of anything air speed in port just kills HP AND TQ.
I may have been tick aggressive on both my numbers on Robs dyno but I bet he gets close to the 600 HP.

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299427
09/08/12 08:37 AM
09/08/12 08:37 AM
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Delray beach, Florida
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Quote:

Quote:

so a couple are thinking along the lines of 1.45 hp/ cube. i would expect a bit less, more like 1.2hp/ cube. small HR cam with a small port will make great torque.



I say small port makes poor TQ (peek) and just not good for much of anything air speed in port just kills HP AND TQ.
I may have been tick aggressive on both my numbers on Robs dyno but I bet he gets close to the 600 HP.




maybe i should have clarified what i said about making great torque by saying it will make great torque down low (2500-4000) the small port will surely hurt it.
as far as what it makes on the dyno, i hope it does well and he backs it up at the track.


machine shop owner and engine builder
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: Performance Only] #1299428
09/08/12 08:40 AM
09/08/12 08:40 AM
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The Great White North
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I am not sure if I will reach the 600hp benchmark with these heads; however, I am confident it will come very very close.

Dan--What would you consider a large hydraulic roller? J.Rob


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Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299429
09/08/12 08:44 AM
09/08/12 08:44 AM
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Delray beach, Florida
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Quote:

I am not sure if I will reach the 600hp benchmark with these heads; however, I am confident it will come very very close.

Dan--What would you consider a large hydraulic roller? J.Rob




mid 260's and above.


machine shop owner and engine builder
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299430
09/08/12 09:37 AM
09/08/12 09:37 AM
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Posts: 3,112
LONG ISLAND
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i'd say low 500's comp is real low

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: fishy340] #1299431
09/08/12 09:45 AM
09/08/12 09:45 AM
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W5DART66 Offline
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Quote:

i'd say low 500's comp is real low




My engine masters 390 CI made 660 with 10.75to1...

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299432
09/08/12 11:15 AM
09/08/12 11:15 AM
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Posts: 1,044
Victoria, Australia
Ian Offline
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560 moroso hp


1.37 60 ft [email]6.0@113[/email] [email]9.57@141[/email] 408 glide 3550lbs
new video http://www.youtube.com/watch?feature=player_embedded&v=Xvq3ZObywQE
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299433
09/08/12 11:26 AM
09/08/12 11:26 AM
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LONG ISLAND
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Quote:

Quote:

i'd say low 500's comp is real low




My engine masters 390 CI made 660 with 10.75to1...


o yea my indy junk made 700 w 950 carb on 93 octane na na lol

Re: Another --How much HP?---Engine dyno--416 stroker post [Re: W5DART66] #1299434
09/08/12 11:36 AM
09/08/12 11:36 AM
Joined: Feb 2006
Posts: 1,048
The Great White North
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Quote:

Quote:

i'd say low 500's comp is real low




My engine masters 390 CI made 660 with 10.75to1...




Rub it in why dontcha?

Just mocked up valvetrain--I'm impressed, actual lift at retainer is .663"/.590".

J.Rob


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Re: Another --How much HP?---Engine dyno--416 stroker post [Re: RAMM] #1299435
09/08/12 01:07 PM
09/08/12 01:07 PM
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SoCal
Brian Hafliger Offline
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555Hp and 530Tq.


Brian Hafliger
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: Brian Hafliger] #1299436
09/08/12 02:17 PM
09/08/12 02:17 PM
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Salem
Grizzly Offline
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Salem
540 hp

480 lb/ft tq


Mo' Farts

Moderated by "tbagger".
Re: Another --How much HP?---Engine dyno--416 stroker post [Re: Brian Hafliger] #1299437
09/08/12 02:45 PM
09/08/12 02:45 PM
Joined: Feb 2006
Posts: 1,048
The Great White North
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Quote:

555Hp and 530Tq.




I sincerely hope you're wrong! J.Rob


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Re: Another --How much HP?---Engine dyno--416 stroker post [Re: Grizzly] #1299438
09/08/12 02:46 PM
09/08/12 02:46 PM
Joined: Feb 2006
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The Great White North
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Quote:

540 hp

480 lb/ft tq




A stock stroke 360 can easily surpass 480 ft/lbs. I hope I didn't just step on my duck. J.Rob


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2016 HotRod/EMC 3rd place SPEC Bigblock
2018 HotRod/EMC 7th place G3
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