Home›Forums›Members’ Builds and Rides›VT – VX – VY – VZ›408ci turbo VY
This topic contains 34 replies, has 8 voices, and was last updated by GRNMCHN 9 years, 4 months ago.
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April 16, 2015 at 2:21 pm #4896
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26408ci stroker
Callies Compstar crank
Callies Compstar H beam rods
Wiseco -20cc dish pistons with ARP2000 bolts with steel top/napier 2nd ring
machined, clearanced, balanced and assembled
PRC aftermarket LS3 260cc heads, 68cc
Holley Hi Ram LS3 manifold and rails
Siemens 60lb injectorsBorg Warner S400
Chromemoly hardened pushrods
stainless valves and PRC dual springs with titanium retainers.
LS7 roller lifters
TSP ported LS6 oil pump
231/239 .617 .624 116 lsa
ARP main stud kit
ARP 12 pt. head stud kit.
GM L92/LS3 rocker kit with comp cams trunion kit.
T-56 with TEX Z Grip clutchFuel system: Siemens 60lb injectors, Holley Dominator 1400 twin billet pump from surge tank in boot, fed from stock tank and pump, Turbosmart FPR 2000 regulator after Holley rails.
Power: 481rwhp with VERY conservative tune on 8psi. 98 pump. 26×8.5×15 slicks whilst on dyno also…
plenty more to push out of it, trying to see what breaks after not being used for a while. so far had the clutch slave and sump gasket. work out the kinks and wind the power on…
best 1/4 mile so far has been 11.994 @ 126.7mph with crappy 1.9 60′.
2 step should help lower times and add consistency when it comes.
April 16, 2015 at 2:46 pm #4897
VRSenator065Participant- Adelaide SA
- VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)
View build HERE
Posts: 5 777Teaser, show us some pics
April 16, 2015 at 9:45 pm #4920
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26Gotta find a place to host them. Forgot my photobucket account details…
April 16, 2015 at 10:08 pm #4925
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26April 16, 2015 at 10:12 pm #4926
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26April 17, 2015 at 3:01 pm #4967
Dan811Participant- SE Melbourne
- 02 Monaro M6 LS1
View build HERE
Posts: 124What block are you using?
April 19, 2015 at 9:21 am #5040
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26LQ9
April 21, 2015 at 8:52 pm #5228
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26So sump gasket is leaking, only slightly from rear, or it is rear main seal, either way I’m not keen on doing it!
any tips for doing it the easy way? Or is it just an arse of a job…
April 21, 2015 at 10:07 pm #5236Either box or motor is coming out….
April 21, 2015 at 10:35 pm #5239
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26Box is a fair sight easier than motor lol.
April 22, 2015 at 9:58 am #5278
MichaelParticipant- VY Calais 383ci GT42 turbo.
View build HERE
Posts: 208Pull the gearbox out and sell it off whilst you’re at it.
Seriously get a glide or t400. My first time racing with the turbo setup, I didn’t build any boost on the line. Just put my foot down and it went, 11.4@127mph with a 1.9s 60′ on only 10psi of boost.
Did the exact same run twice. So consistency is there with an auto also.
The difference between auto to manual is huge. Also get a transbrake and if you don’t break anything, you’ll be running low 10s easy.
A WH Statesmen from S.A ran 10.6@126mph with a standard cube ls1 with GT42 turbo and a 4 speed auto. He was building boost whilst on the line using the handbrake.
April 22, 2015 at 3:07 pm #5313
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26I actually rather the manual. I know i’ll prob get better times etc with an auto but I don’t want to put an auto in it, at least not anytime soon anyway.
I really enjoy driving a manual car so for me it makes it more fun.
and its still only on a run in tune basically so I am nowhere near the times it could run yet, as it isn’t caged yet either.
the wedding and honeymoon are killing the car budget so keeping it sedate and safe for a while till I can get some more bits and charge along.
although the 2 step will be here shortly so that will help with times and consistency
April 29, 2015 at 3:39 pm #5884
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26so I decided to get under the car and clean it up abit, then started to see where the leak might be actually coming from. now no leaks???
I tightened up the sump bolts a little so they may have just been under torqued to start with.
hope its all ok for the next race meeting on 17th may
May 19, 2015 at 10:01 pm #7047
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26So ran at the strip again.
managed to run 11.75 @ 126mph.
had a few 127mph passes also.
looks like I might need a new clutch now, then start tuning it a little to get some more power.
fun times ;)
May 20, 2015 at 12:43 pm #7053
Red1m8Participant- NZ
- Turbo VX LSx Turbo VK in the build
View build HERE
Posts: 101Don’t leave that clutch too long, I grenaded a Z grip, on my turbo VX, huge amount of carage
You’ll never run the times the car is capable of with a manual, which can be a bit frustrating, and the more power you wind into it the harder it gets to drive.
I’m nearly ready to ditch my M6 in favour of a 4l80e, but still enjoy a fang with the manual
May 20, 2015 at 3:31 pm #7056Stalled auto will be the best move u ever make. Slap a glide in it and never look back.
May 20, 2015 at 3:48 pm #7057Where did you buy the turbo from or who sells them in aus ?
May 20, 2015 at 6:30 pm #7060
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26I’d like to go an auto one day but I just wouldn’t enjoy it as much.
did a little driveway skid in 2nd gear and it still grips but doesn’t like to change and moves when going into gear :/
bought the the turbo from GCG.com.au
They had them cheap when I bought it then upped the price by a few hundred $
May 20, 2015 at 7:32 pm #7065
Red1m8Participant- NZ
- Turbo VX LSx Turbo VK in the build
View build HERE
Posts: 101Be gentle with that Z Grip until it’s replaced, when mine let go it destroyed the bell housing as in no bellhousing left – smashed starter, smashed block and sump, broken gearbox bosses, holes in fire wall , smashed inlet manifold, tore through brake lines ( no brakes) damaged wiring loom, blew a tyre out. But I do still have both feet !!!
- This reply was modified 9 years, 5 months ago by Red1m8.
May 20, 2015 at 8:47 pm #7069
GRNMCHNParticipant- Alice Springs
- \'03 VY SS 408ci turbo
View build HERE
Posts: 26Jesus…
yeah I’ll be pulling it out shortly (again) to be replaced.
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