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Smasa & Shannons Insurance Present The Old School Vs New School Dyno Shoot Out


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If it wasnt so far away ide bring my LS1R31 just for shits n giggles.

Isnt she building an ls1 drag car now aswell?? Thats kind of muscle....

No one else is posting for me Pete. Im just moving on to bigger and better things and a lot more horsepower aswell.

And yes i am building a R31 LS1 powered Drag Car.....

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No one else is posting for me Pete. Im just moving on to bigger and better things and a lot more horsepower aswell.

And yes i am building a R31 LS1 powered Drag Car.....

Bigger yes, better seriously doubtful :). Ill own your LS1 two fold :)

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OK guys, let's get back on topic please and keep this thread clean.

The classes have been explained so please drop it...........no one is twisting anyone's arm to enter. :)

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Is Steve knight doing the work on your car now!!!

Last time I saw your car it was in the Boostworx workshop, i know that was a little while ago now.

It is entered next weekend for the time attack round 1 and also have paid for my entry in the mount alma mile in april.

Next weekend is the first the car will see in its current format so im going out untested with 515kw at the wheels. Should be fun, not expecting fast times, i still have a lot of development to do on the car.

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that's a beast George.....I reckon you'd need to be pulling a low 10 or better Cara

down a 1/4 mile that is :P

That supra is more of a circuit then a drag car though

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    • Yeah, you want the IACV to be running at around 30 "units", variously called "steps" or "duty cycle" depending on the person. That gives it room to go lower if need be and higher ditto.
    • Ah right that makes sense.
    • The RPM is just a target, the ECU will adjust things to try and hit that target but it's by no means guaranteed. If the IACV duty cycle is 0 or something like that and it's actually closing up fully then the idle is as low as it can physically go without reducing ignition timing. The problem can be something like the cold start valve in the IACV not closing fully, worn throttle shaft seals, torn rubber diaphragm in the brake booster allowing unmetered air, etc. 
    • Apexi, though I'm not comfortable with setting the idle, knowing me I'll f**k it up lol.
    • What ECU is on your car @silviaz? You can just change the idle target table yourself and the IACV duty cycle. Noting that if you play around with the screw you'll also need to revisit the idle base duty table as you will end up offsetting the lot. Another reason why DBW is superior, there's less mucking about.
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