Which nitrous kit?

11.2 said

416 stroker, 10.7:1, all forged, steel crank, 500 ish hp at crank. 518 od tran, 3000 stall with anti ballooning plate, 3:91 rear. In a 74 barracuda.

I've had nos in 2 stroke atvs and sleds but never a car so this is new ground for me. But I definately know what u mean about addictive!!

Is it necessary to have a purge valve ?

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You are already making some nice Torque so get ready. Even with a 125 shot add timing retard to your components. Probably 4 degrees minumum if your motor is that high on Static Compression. I am not familiar with FI Tech but are you controlling your timing with it and if so can you set up a table to pull timing out when there is a activation? Johhny Pace will know this so PM him.

It sounds like you have a few Bennies in the car so if you want the staight scoop contact Steve Johnson at Induction Solutions. He isn't the cheapest but his customer service is second to none. I do recommend a purge if for anything a way to bleed the system and you have to expel quite a bit of gas to get to the good stuff...... Add a Blow Off Valve also as it is required at most tracks.

NOS is getting expensive so keep that in mind but with a good tune and everything you have done it will donkey kick your car.

That combo is an 11 sec car and with some gas you are in the 10's so enjoy the ride...

JW