Vx ss 6.2 ls3 conversion

[VX SS 340 HP]

Hey Just wondering weather any one has converted there LS1 equiped Commodore to an LS3 just wanted to get some info on what i need to change i.e (gearbox, wiring and fuel system) also what sort of coin am i going to be looking at for a brand new motor

[SirNemesis]

About $8k for the motor + knock sensor extension + map sensor extension + 90mm cable throttle body + crank/cam signal converter + injector adapters.

Budget about $10-11k if you are doing the job yourself. Around $14-15k for a workshop.

Whatever gearbox you have now will bolt on and work, but if its an auto it might not last long. The factory fuel system will keep up with a standard cam LS3.

[cracker]

sounds good in theory but if you do the sums its pretty crap.

power vs effort vs cost

[cpbait]

imagine what an ls1 could be like with that 10-15k spent on it compared to a standard ls3.

[VX SS 340 HP]

HMM thanks for the ideas and the help im at the point were im not to sure weather i want to keep my LS1 150 000 klm on it and rebuild it with tuff internals or start fresh with a brand new motor weather it be LS1,2 or 3 and go with a N/A setup or Forced Induction...either way its a big decsion that im not in any hurry to make quickly i want to way up all my options and work out which is best for my budget of about 10k to 15k....Also Reliablity is a big part in it as my nearest decent performance shop is 300klm+ away...And Simplicity as majority of work will be done by me...im open to any ideas although at this stage im leaning towards a turbo setup...any HELP would be apprecaited

[Vt_vic]

how much power are you looking for? the cammed l98 is a very popular combo for around 450rwhp

[VX SS 340 HP]

some were bettween 450rwhp and 600rwhp...but how hard would it be to put a L98 in a VX and what sort of money would i be looking at for a motor

[Vt_vic]

for a workshop to do it its less than 10k and you keep your old motor

[Kingston_99]

i'd go an bigger motor over the LS1. more cubes= BIG HP!!!!!

if i knew the price for an short block LS3, i would have not wasted my money on a 12K blower for my LS1.

[ZaLumina]

I just imported a LS3 in the crate for one of my customers
We swapping out the stock L98 6.0L froma 2008 SS UTE and fitting the LS3 with all the groceries (cam, cold air, FAST intake etc)
Will let u know when its done

[Kingston_99]

but in the end mate,
i would rather a stroked LS3 over an F/I LS1. i made the mistake for not doing enough research. i'v just spent 12K on a blower ( thats just the blower) i still have to spend another 2.5K to install it. i also have to upgrade my cam, fuel system, and exhuast system. i will end up spending +15K after its bolted in.

15K would get you one mean N/A LS3. i have seen short block LS3 for 7K. an stroked LS3 would have all the tourqe in the world over and built LS1.

[VX SS 340 HP]

So what sort of power would i be looking at roughly if i was to just cam, MAFless tune and flow the heads on an LS3...Also how would my auto gearbox go would it bolt up to an LS3 motor

[SirNemesis]

You could get 350rwkw out of a cammed LS3. Your auto would bolt up, but wouldn't last long. You'd also need to look into fuel system, although a walbro intank pump will probably do the job (just).

Something like this will cost you ~$15k doing the work yourself.

[BradSV8]

yep 350 rwkw is def possible with a cammed LS3. I have seen a cammed LS3 in a ve go 11.0 on the quarter so in a lighter vt - vz should be capable of a 10 sec pass with the right setup. It is not cheap tho but you can save a lot by doing the work yourself and researching before you buy any parts. Several places in the states are doing built 418-427 ci LS3 short blocks for around $4.5k to fully assembled long blocks for 8k.