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Hi since you have all the documentation on the SV's and owned 1 for 20 yrs i also had 1 back in the early 90's, would you care to elaborate on the Heads specs like Inlet & Exh valve size and valve springs pressures and where the head has been ported, I've never heard of a O port VN head or did...

All the SV5000 engine got was cam and Piston's and they received HM headers and a different airbox . Heads and throttle body are the same as regular 5.0lt.

Ran 14.6@95mph stock SV5000 years ago and a VL Walkinshaw went 13.9@101mph just exhaust.

The thread is about n/a and turbo car so how is commenting on turbos off the subject, unlike yourself who dribbles on about VVti camry blah blah blah spec L77 mega kilowatt bulldozzer torque monstar 2 tonne tank which outruns 1ltr bikes and anything on the road, F###en obvious you haven't come...

I come on this site only for this thread I'm confused with all the numbers can somebody tell me how much power MONSTAR's car makes?

Mate your throwing around some big numbers with your L77 give us the ones that count 1/4 mile trap speed otherwise its just bragging. Do agree with you about superchargers and heat soak, but turbo is where its at now even with the LS.

Yeah that 6spd auto must suck some power. Ford did have overboost function, my F6 made 278rwkw stock thats gotta be 340 at the engine and only advertised at 310.

On paper the LS3 has 304kw and they run up 220-230rwkw on the dyno Stinger makes around 230rwkw with only 272kw looks as if their under quoting power no's and shows on the 1/4 mile trapping slightly higher. Ford did the same with the FG turbo's & supercharged V8.

VVT is a waste of time on single cam pushrod engine, this is done correctly when each camshaft inlet/exhuast advancing and retarding independantly of each other not like some tacky aftermarket kit.

Just sayin these boosted examples have proven to be reliable for decades.

A short list of great turbo engine's over the past 25yrs tuff as nails, over engineered and do last and plenty still going strong today. Rb30t Rb25t Rb26dett 1 @ 2jz turbo Sr20 turbo Barra T I can't think of a N/a engine in a volume selling production vehicle that can match these.

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No matter how you twist your figures around Kia's engine is 200ci, just because its boosted capacity doesn't grow 2 1/2 times.

Hate to say it you can't beat boost Stingers got 510nm at 1300rpm so clearly making plenty of low down torque, see if the LS3 makes that doubt it, my modded LS1 makes that but i have to wait for 4000rpm.

A lot of FI HSV's and FPV's may only run mid 11's but trap around 130mph, so easy 10's with MT's.

What let's the Ford down is the standard Dunlop tyres you cant get traction, put some Michelins PSS on and its a different car.

What about some high tech Jap stuff like GTR's, GTS, Skylines and supras their getting on to 25yrs old, dont suffer any major probems other than normal wear & tear.

Your car looks good from the photos has a nice shine. Had them come out, just touching up some marks on the bumpers, bloke rolled up work van was filthy alarm bells rang was going to tell him to pi****f, gave him a go could see he was in a hurry his work was pathetic, over spray and paint...

What Mph did the Xr8 run.

Xcal4 can hold 10 tunes, normally get a trans tune with the engine tune.

Thank's Oz, Tuned XR8 with no other mod's should make around 360rwkw maybe more run flat 12's or high 11's @118mph.

How many rwkw's the W375 make.

Thanks, Sounds nice, thought they might of ran mid to low 12's.

Anyone ran a W375 down the 1/4mile.

Have 255/35/19 PS91 on the rear good tyre for the price.

I guess you didn't understand the question

What Pirelli sheets on a PS91, from what i've heard the Michelin pilot super sport are the benchmark

Nissan GTR R35, supercar performance 1/4 the price, spend 30 grand for mods nothing will touch it on the street.

I agree GM motor are cheap and reliable, light and no problem with parts and simple to work on, value for money hard to beat, can i bring another motor into the debate, Ford Turbo 4lt barra i recon this is a ripper engine, runs low to mid 12's stock, smooth quiet and eats V8's. There's a 525hp...

Yeah stock vs modified. AMG V8 would run ring's around a GenIV 6.2l, even a mildly tuned 1.

E85 at my local United was only 9cents cheaper than 98.

I put a underdrive pulley on my VX SS 6spd did seem to go a little better, no problem with charging either, good mod for $300.

I had the Pedders Touring grey springs in my VXSS with Monroe GT shorten shocks i found the ride to be very comfortable and smooth maybe a little soft at times but for street duties their Ok Your KYB shocks should be ok

You could also add diff gears, clutch or stall, injectors fuel pump and surge then tune, there's another 5grand. Cheaper to go forced induction

$7500 for a 400rwkw SSV i'd like to see that,

14.4 is slow cant be right. A well driven stock VF SS should see 0-100 in mid to high 5's and mid to high 13's sec 1/4mile, i believe a XR8 could see high 12's over the 1/4 mile stock Gt's have ran those times.

Bit of a dip at 6000rpm maybe valve springs? not sure, the graph doesn't look right motor seems to make power very late and what Deuce said 3k and up would be nice. Who put your cam in.

12.2@114mph is a good time, so your set up is ok at this level most Commodores that get into the 11's run higher mph than yours. With your old set up vcm21 390rwhp@108mph doesn't add up either, mph is way low, my old VX SS 249rwkw bolt on did 111mph. Maybe put the car on another dyno to see if...

200HP not much of a gap to fill, raised comp and head work won't even get close.