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 Dirt circuit engine?

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HRDNUP

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Number of posts : 121
Age : 24
Location : South Australia
Registration date : 2009-02-17

PostSubject: Dirt circuit engine?   Thu 21 Jul 2011, 10:41 am

A work mate has asked us to build an engine for his vk dirt circuit car, i have given him my fresh 355cu engine with efi heads on it, my main questions are:

what sump are people running?
Carby or efi setup?
If carby’s what type?
What inlet manifolds are most running?

the reason im asking is i know Danny8 is involved with them and i think kevin from crystal brook is also into it.
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DANNY8
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Number of posts : 368
Location : Port Pirie
Registration date : 2009-01-20

PostSubject: Re: Dirt circuit engine?   Thu 21 Jul 2011, 12:55 pm

We're only running a stock 308 bottom end with yella terra heads, small hydraulic cam, edelbrock performer manifold and a 600 vac sec carb (along with trimatic with 2500 stall and locked 4.11 diff). That combo pulled 146rwkw, but yet to see it's full potential as me little bro who races it is still learning to control the car.

Kev was running a stock (as far as I know) V6 with 4.11 locked diff and he whooped ass in B grade. Not sure on the exact specs but a VL there is making around the 170rwkw mark, it's a 308, solid cam, carby heads, and that thing is right up there in A grade.

Ya don't need much power in dirt circuit to get good results, IMO the suspension is where most of it is at (it helps if ya can drive too lol).

I've seen a few injected 5L's out there, but the majority of them are stock. Maybe check out the website (www.dirtcircuitsa.com) and have a read up on a few cars....not many buildups are on there but might give ya some idea.

We're changing to VN heads hopefully at the end of the season. For a budget 308 build, stock VN heads are the way to go. Decent gain for little cash!

There's also a few gen's out there now too, which do a wicked job. And a few jap motors are popping up, and more people are playing with AWD....it's progressing!
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DANNY8
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Number of posts : 368
Location : Port Pirie
Registration date : 2009-01-20

PostSubject: Re: Dirt circuit engine?   Tue 26 Jul 2011, 3:42 am

Who's the person u lent ur motor to? Wat number is he?
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HRDNUP

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Number of posts : 121
Age : 24
Location : South Australia
Registration date : 2009-02-17

PostSubject: Re: Dirt circuit engine?   Tue 26 Jul 2011, 3:03 pm

na sold the engine to him, he has not registerd yet as the car needs the motor put in and the car to be painted its a vk commodore.

the engine has about 240rwkw now and 600+nm so if he can get the car set up right he should have some good fun.
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DANNY8
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Number of posts : 368
Location : Port Pirie
Registration date : 2009-01-20

PostSubject: Re: Dirt circuit engine?   Tue 26 Jul 2011, 10:43 pm

Is his name Steve?

240rwkw will be very competitive as long as u can get it to the ground!
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HRDNUP

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Number of posts : 121
Age : 24
Location : South Australia
Registration date : 2009-02-17

PostSubject: Re: Dirt circuit engine?   Tue 26 Jul 2011, 11:29 pm

na its john chuddly (not sure on his last names spelling). he was going to paint the car like the old Brock malboro v8 touring car.

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