The road to 600hp...

[MrT]

Ok,

Now I know there has been a million other posts about what people plan to do, "my name is xxx from xxx and i have an xxx which I plan to xxxx to it".. So I say sorry in advance for my little write up but I guess this is how I motivate myself to keep going if I know I have other people interested in what I might be doing.

So my "Goal" is obviously 600hp... ATF.. Challange is to do it with a stock L98 meaning nothing more inside the guts of the engine than a nice big cam. Everything else bolt on. Just out of interest what does 600hp at the engine equate to in rwkw??

So, at this point all I have is an Xforce 3'' cat back in mild steel but I have the UTE booked into Chevs on the 15/9 for 1 7/8 pacies, a DUS OTR and a tune.. Looking at previous results this should see me around the 270-280ish rwkw. Obviously after that comes the cam and many other assorted parts to keep my car not only reliable but also streetable as this is daily driver which I enjoy very much.

So anyway thats about it, throw ina post every now and then to keep me going if I havent already updated.

btw, I chose the number 600 as this is what my old XR6 Tubro used to make with not a great deal of effort, so I want to go back to my old ford mates and say "hey the big 8s can make power to" lol.

Thanks

Joel

[stig]

Sounds like you've started in the right place with those mods listed above. I'm not really able to offer advice, but I have subscribed to the thread to keep updated on how it all goes. Good Luck.

[CHEECH86]

i believe its around 450rwkw

[MrT]

I dont think its that high tbh... Ill go search for a formula try anwer it myself lol.

[V28VX37]

Assuming ATF = at the flywheel.

Manual or auto? Again assuming manual and say 20% driveline loss you're aiming at about 480rwhp = 360rwkw (600fwhp = 450fwkw). So with the expected 280rwkw with the current set of mods you're still about 80rwkw short.

I'd say OTR, good heads, biggish cam, twin 3", high flow cats should see you most of the way there. If it was an LS1 you'd want a bigger TB, FAST or similar manifold and probably an UDP too, not too sure about the L98.

360rwkw naturally aspirated is a good effort from 366ci. Good luck.

(And don't forget to budget for the brakes and suspension too...)

[taztassio]

depending auto or manual, can be anywhere from 15-25% drivetrain loss.

0.75kw = 1hp (or so :D)

so 600hp = 450fwkw

450fwkw = 382rwkw with 15% loss
and 337rwkw with 25% loss

[MrT]

It is a manual and yes thats at the flywheel.

360rwkw isnt to bad... Wont be a walk in the park but GMM run their car at around that figure for a 10k package. Wont be going down that path but seems to be a very good option.

Thanks for that mate!!

[subtle]

just go down the same path as andys ute (SSV8TE) which you would have seen at chevs.
im sure this will be pretty close to the mark.
good luck with it and keep us updated.
cheers scotty.

[UTESRULE]

yeah keep us posted on how it goes it will be interesting to which cam u put in and how it drives and if ur stock brakes hold up

[amckiwi]

Choosing the dyno carefully may help you get the figure you want :hide:

[Souljah]

Whack some turbo's on it and be done with it. :)

[Leatherman]

Choosing the dyno carefully may help you get the figure you want :hide:

Exactly what I was thinking!!!!!

[Buckd1ch]

Be sure to budget for a new clutch too :)

[macca_779]

You wont do it with just a cam and maintain street ability with an M6.
Port the heads and get one of the new FAST manifolds and you might get there. But the cam will still have to be quite large.

I'm of the opinion of Souljah and Leatherman. Leave the donk stock bar some valve springs and just bang on a set of turbo's. 600+FWHP easy then. Or just find a happy dyno. There is plenty of them around.

[MrT]

I guess some people are missing the point of this thread if there is one lol. Dyno figures do differ so the 600 is a benchmark im trying for no matter what dyno i hit. If its a little more or less im not going to be to worried.

As for going turbo, yes it would be MUCH easier but that defeats the purpose of what Im trying to do. Its not just about the power its how I want to get it and NA is at this point my aim.

:)

Thanks for all the comments so far.

[ls1vt209]

Big cam, heads and a little bottled help

[OUTAtheBloo]

ALL motor sounds alot tougher than turboed :D

Good luck with your goal mate

[macca_779]

ALL motor sounds alot tougher than turboed :D

Good luck with your goal mate

Not with external gates and screamer pipes they don't.. Not by a long shot.

[MrT]

Nothing hotter than a lumpy cam to me :)

Just out of interest, can you Cam a car that runs pretty much everything else stock? Not saying that I am going to be doing that, but do you need headers, intake all that jazz to make a cam work or is it just to make it work well?

Thanks

[macca_779]

Nothing hotter than a lumpy cam to me :)

Just out of interest, can you Cam a car that runs pretty much everything else stock? Not saying that I am going to be doing that, but do you need headers, intake all that jazz to make a cam work or is it just to make it work well?

Thanks

I'm still running a stock exhaust and I'm make around 260rwkw off a little 220/220 cam

[MrT]

Well i was looking around the 22x/23x range... Its just in the interest of being sensible in trying to determine the best way to spend the first few k.

[SICK SS]

Well i was looking around the 22x/23x range... Its just in the interest of being sensible in trying to determine the best way to spend the first few k.

pftt 250s is were its at lol. might have to change the un open part of it though. Ive had a ls3 stroked to 427 and made 630hp at the fly on an engine dyno so no guess to the true out put of the engine. Good luck with it all mate:)

[MrT]

Hmmm dont think ill be going anywhere near the 250s lol...

But ye still havent got much of a clue..

Anyone?

[berroca]

Not with external gates and screamer pipes they don't.. Not by a long shot.


an angry NA stroker with a angry cam etc sounds wild IMO much better than a set of turbos

not that i dont like turbos....

each to their own though

[SICK SS]

an angry NA stroker with a angry cam etc sounds wild IMO much better than a set of turbos

not that i dont like turbos....

each to their own though

i agree have had sc/turbo now stroker with a 650 lift cam:) is all i can do when i start the big girl

[macca_779]

an angry NA stroker with a angry cam etc sounds wild IMO much better than a set of turbos

not that i dont like turbos....

each to their own though

LOL Do you know what screamer pipes are? You wont even hear the turbos with screamers on a V8 as the absolute raw volume of V8 exhaust note coming out of the gates will be far louder.

[saj]

LOL Do you know what screamer pipes are? You wont even hear the turbos with screamers on a V8 as the absolute raw volume of V8 exhaust note coming out of the gates will be far louder.

Got any videos, i wouldn't mind hearing that. :)

[SICK SS]

LOL Do you know what screamer pipes are? You wont even hear the turbos with screamers on a V8 as the absolute raw volume of V8 exhaust note coming out of the gates will be far louder.

i dont care what pipes are on a turbo they change the note of the exhaust and not for the better

[macca_779]

i dont care what pipes are on a turbo they change the note of the exhaust and not for the better

O really?
This is a screamer setup (legally they are meant to plumb back into the rest of the exhaust, but since most Turbo kits here aren't legal anyway we'll ignore that)

The pipe on the left exits the waste gate and goes straight to atmosphere in this instance. Because the waste gate isn't open under part throttle where the turbo is trying to build boost, the exhaust remains as quiet as what ever exhaust system your running. But go WOT or give it some revs where the boost builds and exhaust gas must be bled off through the gate to regulate boost and she goes straight out as if you've all of a sudden removed the entire exhaust.. Very loud and very bloody cool. Only way you'll get an N/A car to sound that cool is straight out pipes which ain't going to happen on a street car.

http://image.nengun.com/catalogue/original/nengun-1321-02-nightpager-extension_screamer_pipe.jpg

[saj]

Only way you'll get an N/A car to sound that cool is straight out pipes which ain't going to happen on a street car.


What, like this. :eyes:


YouTube - saj's SQP 402 stroker ute 1st Elimination run 4-4-2009 at the Perth Motorplex (http://www.youtube.com/watch?v=1j1FVnUHDbw)

YouTube - saj's SQP 402 stroker ute 3rd Elimination run 4-4-2009 at the Perth Motorplex (http://www.youtube.com/watch?v=SMFjwmv_LHw)

[SICK SS]

O really?
This is a screamer setup (legally they are meant to plumb back into the rest of the exhaust, but since most Turbo kits here aren't legal anyway we'll ignore that)

The pipe on the left exits the waste gate and goes straight to atmosphere in this instance. Because the waste gate isn't open under part throttle where the turbo is trying to build boost, the exhaust remains as quiet as what ever exhaust system your running. But go WOT or give it some revs where the boost builds and exhaust gas must be bled off through the gate to regulate boost and she goes straight out as if you've all of a sudden removed the entire exhaust.. Very loud and very bloody cool. Only way you'll get an N/A car to sound that cool is straight out pipes which ain't going to happen on a street car.

http://image.nengun.com/catalogue/original/nengun-1321-02-nightpager-extension_screamer_pipe.jpg

sorry brother had a turbo set up and ran it straight out off the dump on the strip and as saj ute sounds it dont compare heres a few of my own sound clips. :D Soumthing about those black utes ay saj:rofl:

427CI BABY
YouTube - DSCF1340 (http://www.youtube.com/watch?v=gXXJ4V4zHt8)

full exhaust twin 3inch xforce cat back sorry about the sound quality its a phone
YouTube - Ls3 427 idle (http://www.youtube.com/watch?v=jFiYjlDYuUY&feature=channel_page)

[macca_779]

each to their own I guess. I'm not a fan of being to loud at idle. It just begs for attention from the wrong people.

[SICK SS]

fair enough but that was the only time my car when turbo sounded like a v8. It had a deep idle but that was it like you said each to there own. I loved my car when it was supercharged but loved the torque the turbo made pity you couldnt combine the both. So far loving every minute of the stroker motor and dont miss either of the past:goodjob:

[berroca]

LOL Do you know what screamer pipes are? You wont even hear the turbos with screamers on a V8 as the absolute raw volume of V8 exhaust note coming out of the gates will be far louder.

please fill me in oh great one
i have absolutely no clue what they are :rolleyes:

like i said i think an angry cammed NA storker motor sounds better
its an opinion, not stating fact

you think turbos with screamer pipes sounds better
thats your opinon

[worknssv]

You’re in great hands down at the Chev stable. He will point you in the right direction. I can’t wait to see your results.

[Wayne@GM Motorsport]

Choosing the dyno carefully may help you get the figure you want :hide:


Thats easily fixed by backing it up at the strip with mph... on of the reasons we always take our cars to the track

[MrT]

OOOHHHH Forgot this existed...

I did get to 600hp after all.. But it took me selling my VE buying an FG turbo and spending around 8k...

Miss my big 8 but this thing just does it so easy and feels no different to a stock car..

[SHANESVZSS]

OOOHHHH Forgot this existed...

I did get to 600hp after all.. But it took me selling my VE buying an FG turbo and spending around 8k...

Miss my big 8 but this thing just does it so easy and feels no different to a stock car..

what did you have done to the xr6t?

600hp for 8k seems a bit cheap?

[MrT]

Big injectors, full exhaust, surge tank, big fuel pump, and big intercooler including piping.

It is cheap but thats what these cars cost to make big power. Its actually just under 600hp as it only runs 10psi in the top end due to boost being hard to control with the stock turbo.

Another 2k for a high flowed turbo it would be closer to 700hp (400rwkw) which is technically beyond the limit of these engines but there are a few people out there making these numbers.

My goal was am 11 sec pass in full street trim including rubber with tge stock turbo. If icant get it then ill step it up.

[WOMBIE]

So the 600 figure is that fwhp?

[offshore]

600hp is a peace of piss with a 4 litre 6. I had 500hp from a 2.5 subaru motor with a garret GT30 in the 20 to 24psi range.