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400HP Daily Driver on Stock Heads?

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Old 06-19-2007, 02:34 AM
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Default 400HP Daily Driver on Stock Heads?

My 00' WS6 is my daily driver which sees 50 miles a day or so during the school year. Im looking for a setup that will hopefully get me around 400 rwhp and still be daily driveable and not too bad on gas mileage. Possible on stock heads? Heres my current setup:

63k Miles
Stock LS1 Internals
Pacesetter Coated LTs w/ ORY
Hooker 3" Catback
SLP Lid
Motive 4.10 Rear-End

Cost of the total project all accessories included?
Old 06-19-2007, 02:38 AM
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Cam, underdrive pulley, ported throttle body, ls6 intake. $1500, gas will vary depending on cam, but you can find a nice cam.
Old 06-19-2007, 02:42 AM
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i made 395rwhp with a Torquer 2 through cats, and been DD for 2 years.. now has heads/intake soon to be sprayed.. it is possible on stock heads.. i had 241 castings though..you will notice a change in gas mileage by the way
Old 06-19-2007, 03:29 AM
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Kinda need cam specifics, sorta new to the cam game
Old 06-19-2007, 04:19 AM
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What kind of idle do you want?
Old 06-19-2007, 06:41 AM
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I've got a set of 241's for cheap that would help.
Old 06-19-2007, 07:53 AM
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G5X3: $450
PRC dual springs and pushrods: $400
LS6 intake: $300
Old 06-19-2007, 02:12 PM
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you would be looking around 2000 whne it is all said and done with buying everything and getting it tuned. You will hear it over and over again when people say it all comes down to the tune for drivavbility. If you are DD it I would reccommend a 228-232 range cam or smaller. Anything over that and it will be a higher RPM car, and thats not usually good for a DD.
Old 06-19-2007, 02:35 PM
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yes dont go with the fad of throwing in the hugest cam possible in the car.. i run a 232/234 .595/.598 112 its a very tame cam once tuned! and makes great power, and your car will love it especially with those 4.10s! im still on stock 3.42s
Old 06-19-2007, 03:22 PM
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Originally Posted by blueeyeddevil141
What kind of idle do you want?
Id like it to be much more choppy than an idle sound but at the same time
i dont want something that sounds like its preparing to eat my dog.
Old 06-19-2007, 03:33 PM
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Im leaning towards the TR224 or the Torquer v2. Not sure how the torquer will be for a DD tho.

Can anyone explain to me the deal with single vs dual springs?
Old 06-19-2007, 06:58 PM
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dual springs can handle more lift, and that is all you really need to know .600+ you need duals, under and you can get away with 918's but as recent problems with the 918's I would just spend the money and get duals.

The T2 is fine for DD if you have a good tune. You might want to look into something along the lines of the g5x1 cam.

If I had to do it over again I would of gone a little smaller, now I am looking for a decent set of heads to get me some more TQ back.
Old 06-19-2007, 08:55 PM
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BG552,

I suggest reading the thread at the top about cam size. Most daily drivers are probably better off with a 220 to 230 sized cam.

TR224 sized cams are excellent for daily drivers. I don't think that will hit 400rwhp cam only but it is a very good choice overall. With heads it will make nice power.

Question about your goal is it just peak numbers? Less peak and a better power band is usually more fun to drive on the street.
Old 06-19-2007, 09:43 PM
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I did 400/395 with a T1. It dosent take much to make 400 to the wheels in a 6-speed car, you just cant cut corners and throw something together and hope it works. If your willing to go with a set of heads you can run a lot less cam.
Old 06-19-2007, 11:06 PM
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i did 394rwhp with lts, o/r y, lid and a cam. i have stock intake and tb and heads. i had the MS3 237/242. i didnt daily drive the car but when i would take it on road trips it had no problems. it got decent gas milage as long as i didnt get on it to often
Old 06-20-2007, 01:47 AM
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if u want 400rwhp ur guna want the T2 over a 224 cam.. id be willing to bet once u went with a 224 youd wish you went with a bit larger of a cam
Old 06-20-2007, 01:53 AM
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Originally Posted by sidewayz28
if u want 400rwhp ur guna want the T2 over a 224 cam.. id be willing to bet once u went with a 224 youd wish you went with a bit larger of a cam
Will i lose low end power with that T2?
Old 06-20-2007, 07:47 PM
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Originally Posted by bg552
Im looking for a setup that will hopefully get me around 400 rwhp and still be daily driveable and not too bad on gas mileage. Possible on stock heads?
Id like it to be much more choppy than an idle sound but at the same time
i dont want something that sounds like its preparing to eat my dog.
There's two ways to get 400rwhp:
lots of cam, lose drivabilty and economy, or
moderate cam, heads, great drivability and reasonable economy

If you (or your budget) decide to go cam only, I'd suggest the TR230/224 reverse split cam. It is designed to make great power cam only without giving up all the torque. A good tune will be required, but 400rwhp should come fairly easily with your supporting mods. As previously stated, an LS6 intake will help too!

If you can swing even a budget set of heads (PP, PRC, etc) it makes it that much easier to get 400rwhp without to much cam. Good heads and a 220 - 224 cam will make tons of power all over the range used by a daily driver.
Old 08-21-2007, 10:51 AM
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How "daily driveable" does anyone think a set of Patriot 243 castings and their 226 cam would be?
Old 08-21-2007, 11:02 AM
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I'd go 224/224 112LSA plus 4 degrees on an XE-R or similar lobe to keep dynamic compression decent (Use PRC/PP gold double springs)
LS6 intake
Ported throttle body
UD pullies
160 stat
Single 3 inch cutout in intermediate pipe
Good tune

That'll get you close and be perfectly drivable. You could go EWP but I'd recommend sticking with the stock waterpump on a DD that you drive daily all over the place. You have 4.10s so that'll drop your numbers slightly from a 3.42 but the car will rip with that combo.



ps- Check your ORY to make sure everything is clean at the merge.


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