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How do you get 475 rwhp?

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Old Feb 8, 2007 | 10:29 PM
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Default How do you get 475 rwhp?

I see people getting monster N/A #s out of LS6s...

what is the magic combo...?
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Old Feb 8, 2007 | 10:36 PM
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Originally Posted by nowwhat
I see people getting monster N/A #s out of LS6s...

what is the magic combo...?
Heads/cam, intake, larger injectors, headers and exhaust systems with a good tune will get you there. Also M6 or A4 will make a difference.

Last edited by SLPRC5; Feb 8, 2007 at 10:41 PM.
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Old Feb 8, 2007 | 10:42 PM
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Originally Posted by SleeperC5
Heads/cam, intake, larger injectors, headers and exhaust systems with a good tune will get you there.

what size injectors are working...?.....

I have the heads, cam, headers, tune..M6..420 rwhp.......
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Old Feb 8, 2007 | 10:44 PM
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Most H/C setups run the SVO 30 lb'ers.
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Old Feb 8, 2007 | 10:57 PM
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Originally Posted by Jeffs FRC
Most H/C setups run the SVO 30 lb'ers.
(the red ones)
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Old Feb 8, 2007 | 10:58 PM
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Originally Posted by nowwhat
I see people getting monster N/A #s out of LS6s...

what is the magic combo...?
Twin Turbos
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Old Feb 8, 2007 | 11:08 PM
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Originally Posted by Jeffs FRC
Most H/C setups run the SVO 30 lb'ers.
SVO as in Ford....?????.....buy from Summit Racing..?
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Old Feb 8, 2007 | 11:11 PM
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Originally Posted by nowwhat
I see people getting monster N/A #s out of LS6s...

what is the magic combo...?
GREAT heads....a MATCHED camshaft...Proper fueling....Proper tuning....well matched supporting mods...attention to detail...and some trial and error.

Hammer
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Old Feb 9, 2007 | 12:01 AM
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Originally Posted by VinceC5
Twin Turbos
N/A with Twin Turbos? I'm assuming you didn't read the thread. Anyways I have 450 on stock heads, with all supporting mods and big cam. I plan on going Fast 90/90 and getting a set of heads sometime soon to have 500+rwhp.
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Old Feb 9, 2007 | 01:41 AM
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Originally Posted by Jeffs FRC
Most H/C setups run the SVO 30 lb'ers.
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Old Feb 9, 2007 | 02:07 AM
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big cam- top shelve heads- ported 90mm fast
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Old Feb 9, 2007 | 02:29 AM
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Originally Posted by pdd000
big cam- top shelve heads- ported 90mm fast
Or spend an extra $1,500 and swap in an LS2 402 with a more moderate cam.

But you hit the nail on the head for stock cubes .. You need a large cam, terrific heads, worked over intake / TB, long tubes headers, etc, etc..
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Old Feb 9, 2007 | 03:09 AM
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Originally Posted by Jeffs FRC
Most H/C setups run the SVO 30 lb'ers.
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Old Feb 9, 2007 | 10:34 AM
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As said above a good Heads and Cam setup will get you there.

You will need other pieces as well just to complete the package. For example you will need a clutch to get the power down. The stock clutch won't hold under that type of load.
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Old Feb 9, 2007 | 01:13 PM
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Don't get bogged down with dyno numbers. Your 420 RWHP could be 440 at another tuner's dyno. Personally, I went for torque, and a flexible midrange, and the HP can fall where it may.
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Old Feb 9, 2007 | 03:00 PM
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Originally Posted by nowwhat
I see people getting monster N/A #s out of LS6s...

what is the magic combo...?
A Maggie with no other mods will get you there!
Add headers 3.1 pully and good tune and you`re at 500+rwhp
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Old Feb 9, 2007 | 06:56 PM
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Originally Posted by Jeffs FRC
Most H/C setups run the SVO 30 lb'ers.
Still can't get my head around this....are you guys saying the stock injectors max out before 475rwhp...?....ot do the SVO's have some special characteristic...
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Old Feb 9, 2007 | 07:04 PM
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Originally Posted by nowwhat
Still can't get my head around this....are you guys saying the stock injectors max out before 475rwhp...?....ot do the SVO's have some special characteristic...
The SVO's are rated as 30 lb'ers, but at the voltage the regulator allows on the Z, actually put out about 38 lbs. There's alot of debate about the need to upgrade injectors with just a H/C setup. I erred on the side of caution, and upgraded mine. I used Racetronic 36.5's, however.
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Old Feb 9, 2007 | 07:12 PM
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Originally Posted by zeevette
Don't get bogged down with dyno numbers. Your 420 RWHP could be 440 at another tuner's dyno. Personally, I went for torque, and a flexible midrange, and the HP can fall where it may.



People get too caught up in dyno numbers.....zeevette has the right idea
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Old Feb 10, 2007 | 12:26 AM
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Originally Posted by nowwhat
Still can't get my head around this....are you guys saying the stock injectors max out before 475rwhp...?....ot do the SVO's have some special characteristic...
I was told and still am under the impression that the stock injectors are only long term reliable up to 450hp.
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