Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[Liam]

Sweet - I'd love to come and see this! You're pretty close too. Want a visitor?

[Rogusu]

Greetings and salutations.

I would also like to ask about V8 fitting
I have 3.0 V6 pre-facelift (1998). Now I have an offer for GM 5.7 V8 (trying to find the type). What else I need? I mean, brakes are mostly recommended, but just for test ride, they are not necessary. At first, I would like to fit it in and drive it a little, then I will read all topics, make some money   and upgrade brakes, suspension end everything else needed. So without what it won´t ride ?

[Martin_1962]

other problems you'll come across are:
Not enough room with the standard steering box, will have to be converted to rack (like what can be seen in the link above)
And one of the biggest ball aches is exhaust manifolds, just have a look how tight it is on the near side between engine and chassis leg on standard V6, now try and imagine trying to squeeze some sort of 4 branch manifold in there.

Me and a mate tried offering a 5.7 cleveland V8 into a bare omega shell and its suprising just how tight it is in there, for such a big bay, even with battery tray and loads of other bits cut out, it was still impossible to get the engine to sit right without major modifications, so ended up scrapping the idea.

3 litre, straight 6, turbo toyota supra engine would be a far better idea 

3.6 litre turbocharged Carlton engine fits very well - ask OmegaToy

[omegadan67]

liam the car is in nottingham as that is where i work and have use of full garage services you are welcome to come over when its back in northampton like i say its a work in progress should be on the road by august going to the 'ring in it there is a bit of work to do on the cooling side the engine is in and running its just the fine fettling thats taking more time than i thought.

On the braking side I have fitted 6 pot calipers with grooved and drilled hsv discs,monaro servo unit and braided hoses all round dot 5.1 fluid.

Suspension is vxr8 standard set up.

Driveline is getrag 6 speed box paddle clutch, custom made prop monaro lsd diff.

Engine is LS1 5.7 v8 with a wortec supercharger custom made exhausts 2.5 inch 100 sport cats 3 inch tail pipes t304 grade stainless steel.


Power at fly-wheel 403 bhp and 507 lbs/ft of torque so i think it is gonna be a beast on the road.

[2woody]

i suspect your supercharger isn't working. I have 390 at the flywheel from a pretty-much standard engine.

also check out your gearbox - it's probably a Borg-Warner (now Tremec) T56.

I have a Holden Commodore available if you need photos etc.

[omegadan67]

Supercharger was not working you are right sorted it now gearbox is a getrag 420g not tremec took some fabricating but its in and working as it should tuesday
been to a rolling road session with  the car now up and running mot on monday then it should be time to enjoy my creation power output at the wheels is 502hp@5250 rpm and 656 lb/ft of torque between 1500 and 4500 rpm 

[Lesopc]

So guys, does this mean that you nearly all think that LS1,6 or 7 would be best. Are there any of you that think the 4.6 Caddy Northstar is a viable choice???

[Liam]

I so absolutely need to check out your car omegadan!!

Lesopc - yes basically. Or an LS2 or an LS3 or an LS9 . Northstar are puny little engines complicated by silly unneccessary things like overhead camshafts, and having to fit 4 valves in one cylinder . If it aint broke dont fix it - LS series all the way! The engine in the Racecar you love so much was a 5.7 US engine, so very probably an LS1 too.

[Lesopc]

I so absolutely need to check out your car omegadan!!

Lesopc - yes basically. Or an LS2 or an LS3 or an LS9 . Northstar are puny little engines complicated by silly unneccessary things like overhead camshafts, and having to fit 4 valves in one cylinder . If it aint broke dont fix it - LS series all the way! The engine in the Racecar you love so much was a 5.7 US engine, so very probably an LS1 too.

LS1 eh, i always thought they used Northstar variants like i think the DTM Opels did.

[Liam]

Well, when I said 'very probably', perhaps I should have said it's a wild guess based on reading they were 5.7 litres (German wiki on V8 star series) and I dont know any other 5.7s that would be likely candidates . Could be a Ford for all I know.