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Highest N/A RWHP?

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Old Jan 27, 2005 | 04:11 PM
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Default Highest N/A RWHP?

Hey guys,
Is there somewhere that you can go to find a listing of the RWHP dyno proved numbers for an all natural LS1/LS6 set up. What are the highest numbers you guys are seeing from the different set ups like stock displacement, 383, 408, and 427. I am looking for all motor numbers. I am building a stout iron block 408 with a very strong heads and cam package and am trying to figure out what kind of numbers to expect.
Ported LS6 intake and throttle body, 11.8 compression, 42# injectors, cam is bigger than 250/250 with more than .600 lift so I'll leave that out right now. 1-7/8 Kooks headers, and a 6 speed behind it all.
Thank you for your input.

God Bless,
Keith
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Old Jan 27, 2005 | 04:15 PM
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Originally Posted by LT4-398
Hey guys,
Is there somewhere that you can go to find a listing of the RWHP dyno proved numbers for an all natural LS1/LS6 set up. What are the highest numbers you guys are seeing from the different set ups like stock displacement, 383, 408, and 427. I am looking for all motor numbers. I am building a stout iron block 408 with a very strong heads and cam package and am trying to figure out what kind of numbers to expect.
Ported LS6 intake and throttle body, 11.8 compression, 42# injectors, cam is bigger than 250/250 with more than .600 lift so I'll leave that out right now. 1-7/8 Kooks headers, and a 6 speed behind it all.
Thank you for your input.

God Bless,
Keith
600 plus NA here

Matt
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Old Jan 27, 2005 | 04:16 PM
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there was a thread in the dyno section a while back on the highest dynoing n/a setup. highest 346-348 with a hyd. cam is jasons 505rwhp. Vince used to or still does have the highest dynoing 408; ~550rwhp hp.
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Old Jan 27, 2005 | 04:17 PM
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Kieth, we made 502/437 with a pump gas 346. I have a pump gas 402 LS2 going together now that will be impressive to say the least. I am with you on the N/A thingy. My car runs mid 9's N/A and will always be an N/A warrior.

Mike
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Old Jan 27, 2005 | 04:25 PM
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Isn't there a C5R based motor doing 680rwhp@7400 RPM? Its 434 CI,
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Old Jan 27, 2005 | 04:55 PM
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11.6:1, 414cid solid roller with '853' LS1 heads, 1 7/8 QTP headers with HVH collectors/bullet mufflers through a TH400, 8" converter, 9' ford w/4.10s and 28" slicks.

Not the highest but not bad for the compression and using LS1 heads.

Last edited by kp; Jan 27, 2005 at 05:20 PM.
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Old Jan 27, 2005 | 05:15 PM
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1344 fwhp n/a (see sig)

Seriously, there's another recent thread on the topic and max hp for an n/a LS1/LS6 motor (non-C5R) of any cid was around 600 rwhp.
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Old Jan 27, 2005 | 06:24 PM
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Lets not leave out a solid roller 346-348! 550 rwhp\446 rwtq in a M6.

There are several NON C5R 600+ rwhp setups now in a M6,and close to it with auto's.
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Old Jan 27, 2005 | 07:11 PM
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There are some pretty stout setups out there currently. The best my 408ci made NA was 564rwhp/518rwtq in my old Camaro SS thru 3.73's. Swapped to a C5 and changed headers and cam and ended up with 555rwhp/520rwtq. I think the C5's drivetrain robs a little horsepower, but I cant tell. Some locally keep saying my car is maxed out, but they have no clue. Allan wanted to do a lot more.
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Old Jan 27, 2005 | 08:18 PM
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We make 503 with a hyd. roller stock cubic inch motor also in a Z06 which has a bit more parasitic loss in the driveline than an F-Body.

Of course Lou made 54x/48x with his WC car with a big cam and AFRs....
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Old Jan 27, 2005 | 09:11 PM
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Thanks guys,
Thats great news. I am hoping for anything over 500 rwhp at this point. Hopefully more but that will have to be seen.

Keith
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Old Jan 28, 2005 | 05:43 AM
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Originally Posted by LT4-398
Thanks guys,
Thats great news. I am hoping for anything over 500 rwhp at this point. Hopefully more but that will have to be seen.

Keith
Not all big motors are built the same. Keep that in mind.
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