View Full Version : Newb with dreams

10-04-2007, 10:35 AM
Hi all thought id join and say hii
Love American steel and good to see an Oz forum going here for us
Im looking at purchasing a car fairly soon when work settles.iv done a little research on what mods can be done and have spoken to a cpl of engineers:rolleyes:
Q: how do you work out what CI you can have? Whats the story with Power to weight ratio ? thanks guys

10-04-2007, 11:25 AM
My understanding (and this is limited) is that it comes down to what the car(s) were manufactured with. As such, if it came out with a big block then you can legally run a big block, if not then you can still do it but will require a lot of engineering approvals to get done. What's pretty much out is dropping an 8 into a car that only came out as a 4 banger.....

When upping power, engineers will simply look for the key aspects, brakes, suspension, chassis, seat belts etc...all things you'd want improved anyway for your own safety.

10-04-2007, 06:35 PM
Power to weight as far as i know only really matters for P-Platers.. well it used to but i think the rules have changed... In Vic atleast.. they can't drive anything now :p

Not sure if an engineer would take it into account.. how can they prove how much power your making? I've never heard of one sending someone off for a dyno readout, even if they did, it wouldn't be hard to de-tune it to help pass the engineers ;)

As for the CI as cluxford said, if the car came out with a big-block, you can generally put a big block in it.. even if your one came with a 6cyl.

I.e. my camaro came with a 350, but from factory you could get a 396 BB, I can even argue it came with a 427 (Yanko) running on the same chassi.. no changes..

So really i should be able to get away with a 427 with no hassles.. if i want to go bigger then yeah i *think* i have to go engineers.. But considering a 454 is the same block it would be fine...

What are you looking at getting and what do you want to put in it?

Also remember it all depends on the engineer you choose.. some are more leniant than others....

What state are you in?

10-04-2007, 07:25 PM
Thanks for the reply guys
Its more the Block numbers.i dont think theyd put it on the dyno lol
i was over at Ls1tech and a guy from Oz said he was limited to a 396ci motor and wanted to put an Ls7 block 427 ci and i thought hang on 396 is a big block so why would you have issues if you had Ls 427 :confused:
Yeah you right about the engineer it be good to find a decent guy that understands that were actually improving the car Any1 know a really good one?
Im thinking of a 57 2 door Belair with an Lsx motor.i moved to Melb from Sydney a couple of years ago for work

10-04-2007, 08:29 PM
Wow my 6th Fav car

Order goes:
68 Camaro BBC
55 hardtop Belair BBC
32 Ford 3 Window Blown
62 Vette Turbo SBC
Any Dodge Viper
57 Belair
and the list continues....but these 6 are must have's before I die

Anyway back on topic......

LSx in a 57...no issues, you will get this registered without any hassles

I also moved from Syd to Melb for work and wife.....will never move back !!

10-04-2007, 08:57 PM
Don't quote me on this but the motor has to be from the same era as the car you are installing too.. Or you have to follow the engine capacity/EPA rules for the newest item.. i think.. i'm probably confused though.. so putting a smallblock 427 wouldn't be ok because the largest they went with smallblocks were 350... even though yes they put a larger/equal capacity BB in.. might be something to do with the power/weight.. as a small block 427 would be theoreticly making the same power as the BB version.. but a few hundred kilo's lighter...

Hence the power/weight dilema...

Again i'm 90% sure i'm wrong in all of that :p

It's all on the vic roads website.. i posted the link a while ago somewhere.. :p

10-04-2007, 09:10 PM
P.S. found the link for ya..

Vehicle Standards Information (http://www.vicroads.vic.gov.au/Home/RulesStandardsRegulations/VehicleStandardsInformation/)

And yes what i wrote about age is wrong..

It states that an engine must of the same age or Newer than the current one fitted.. but thats is in regards to emmision controls..

Since you are getting a 57 i'm guessing you will be exempt from allot of those rules... lucky you ;)

These are the 2 reports i'd be reading..
http://www.vicroads.vic.gov.au/NR/rdonlyres/CC48FC10-4D57-4F04-82E1-3BD72EF88340/0/VSI8.pdf (Sections 3.2 and 11 )

http://www.vicroads.vic.gov.au/NR/rdonlyres/5C946861-35D8-42CF-A1A6-BA00F3D3A104/0/VSI20.pdf (Q13 and Q14)


12-04-2007, 11:12 AM
thanks for that Sirgeo
Again not 100% sure but a builder told me that even if you put a newer engine say a aftermarket World block for example that was made in 2006 is has to comply with epa emissions and crap like a 2006 model car what the?? So i dont think it matters Lsx/new sbc/new bb you still have to run emissions and keep it at 96 db: lots of mods after redgo i reckon :cool:
anyway lots of research before purchasding has to be done
I was trolling through Fleabay and found this beauty: :eek:

http://cgi.ebay.com/ebaymotors/HIGH-END-SHOW-CAR-55-57chevy-convertible-hotrods-custom_W0QQitemZ260105876594QQihZ016QQcategoryZ616 0QQrdZ1QQcmdZViewItem

12-04-2007, 01:26 PM
lol.. nice.. just need to find a further $149,000.00 so i can buy it :p

geez.. look at the work on the frame... more work than i can imagine...


Have you found an engineer yet?

13-04-2007, 12:06 PM
havnt found a GOOD 1 yet

16-04-2007, 10:46 AM
if you do let us all know ;)

I have someone that is doing my LHD to RHD conversion engineering, but he's a more of a mustang specialist, not sure what i'm going to do about any other mods.. but i should be fine, i'm doing doing as much as you :p


24-04-2007, 06:26 PM
mmm tubular lovin! looks like a donated zr1 motor... i want to everything about that chassis!!
farkin prOn :eek:

01-07-2009, 05:56 PM
That frame is insane!!!

The amount of engineering is unreal...