With a set of forged pistons, good rod bolts, and a progressive controller would I be ok? I haven't bought a kit yet but I want to run a wet kit. What do you reccomend?

Thanks

 

I think a direct port is your best bet with that large of a shot. I'd want to make sure everything on the motor is pretty stout and studded. Good rings and tuning also.

 

Well, I bought the Mahle pistons from Jegs, they came with rings,pins, etc. I am running stock rods and stock crank. I did buy the best rod bolts that ARP sells, I am running a G5x3, I don't know if that would play a factor in how much I can spray. I haven't bought head bolts yet, do you think I should get studs instead?

Thanks

 

With a 500 hp shot, you would be entering a land where few have been. The stock rods and crank would not live. You would need a very thick piston and the very best rods and crank; 9/16" head studs torqued to 140 lbs with the block drilled and tapped; ARP main studs.

ARE is the only shop I know of that has built this specific motor.

 

I dont think those Mahles are your best bet for nitrous. I would get the exact model # and call Mahle directly. I am sure they would hold a good size shot though...especially if you use a progressive controller and race gas to control detonation and TQ down low. Youll need better rods too....and a HUGE cam and some very good heads to get a 500 shot through the motor.

For a basic no frills 500 hp setup that is very effective I went with the NX 80000 efi direct port kit and the NX maximizer II and a stand alone fuel tank/pump. Thats gonna cost ya about $2000 roughly. But it will deliver the goods. Im about to get mine done here in the next few weeks and test that theory out.

 

Ok, With the stock rods, crank, and the pistons that I bought, how much do you think it will hold? I will be using a progressive controller.

 

Unless you've got a very good engine, it won't injest 500hp worth of N20.

And you'd better be close on the tune-up.

 

Get it running and tuned NA. Come back and post up the dyno graph and we will be better able to tell you what you may be able to squeeze through it. It will come down to one of two limits. Either VE limit or structural.
You will either be able to ingest enough juice to make more HP than you bottom end can handle.....and that will be you limit...or...you will not be able to ingest enough juice to make the power you want.

If you are talking about spraying a 500 shot you better be making 500+ on motor at some decent rpm.

I belive you are talking stock cubes...not sure what heads and what size cam you are plannin? Go big if you want to spray big!

But more than likely you are looking at around a 250 shot...maybe 300 if done with something like the Maximizer II

 

Thanks for the info.

I have a g5x3 and stock ported heads, I bought the cam off of a friend of mine. he did not have ported heads and he made 423 rwhp. He told me that mine should be around 430-435 with the heads ported. I have a few buddies that spray 225-275 on stock motors with a t-rex, they seem to do well but I don't have luck like that. I would like to be able to spray at least a 300 shot to take care of them.

 

you should be able to run to ~700 rwhp total especially if you do it in stages or progressive. be sure to tune for about 11.5 Af and maybe 18-22 degrees timing depending on what octane your using. Minimum of 100 octane and 7 heat range plugs. Monitor for knock.

 

OMG Baked You are a idot that pisses in the living room floor?

You know that white SS's are the **** and you'r **** cant keep up...






J/K

hurry and get that motor back in the car for break in and take me for a ride

 

If you are really serious about trying anything above 250 shot, listen to the people above. You'd be luck to be able to use a 300 shot with your present set up, even with a progressive controller. Even if you did get the engine to hold together, unless you have a kick *** suspension and tire combo, you'll never hook or even keep the tires from spinning. What are your goals? Track? God for bid you are not talking about street racing with a 500 shot?

Good luck. Put the engine together. Start off small, 100 to 150, and work your way up. Get the suspension and tires.

David

 

guess I'll throw my .02 in. How about fuel system? Exhaust system, transmission, driveshaft, rearend? I think its more than just spray-n-go fast. BTW, I havent heard of anyone running 225-275 on a stock bottom around your tri-state area. Only ones that come to mind are Al, Robert I think, GM Muscle, and the Combination Motorsports guys out of LV. 225 I could see pretty easily, but not the 275. Not saying it hasnt been done, but havent seen anyone doing it "well" unless their cam is bleeding off all the cylinder pressure.
After having EDC custom grind my cam for a 300 shot, I would definately say 275 on a Trex is wasting a LOT of nitrous, and to run anything around that not to many off the shelf cams are going to make good with the additional spray.