10mm_

I go tomorrow for my dyno tune, and since I am as impatient as they come I'm going to start my thread a day early lol.

Anybody care to take a guess as to what my car will dyno? (Yes I am aware all dyno's are different, this is simply for fun) It should be about 70 degrees during the dyno session, shop elevation is ~400 ft. It's a dynojet.

2015 Z51 A8
ARH Mid length catless
AFE CAI
Nitrous (100 and 150 will be used on the dyno)

I'll end up with 3 sets of hp/tq numbers; all motor, 100 shot, 150 shot.

I'm really hoping for 450 whp on motor and 600 whp on the 150 shot, but that may just be wishful thinking lol.


I'll update with actual dyno graphs tomorrow afternoon, and then updated track times. Current best time is 11.55@120 on motor and 10.84@130 on 100 shot. I'm confident the tune will really improve those times.

dovervold

ARH claims 26 HP with just the mid-lengths. With a tune and CAI I would think 40 RWHP is doable. So motor only 440-450, let's call it 445 HP

10mm_

I think manufacturer hp claims are usually very optimistic lol.

I honestly couldn't find many dyno graphs of intake header tune cars. It's easier to find graphs for supercharged cars

10mm_

dovervold I think you're going to have the closest guess lol

MikeLsx

ahh good to see you getting a proper dyno tune.

10mm_

It's a shop called RPM they're supposed to be top notch, I sure hope so lol

MikeLsx

I have heard of them before.

10mm_

This is one in NC, I guess there's another popular one a little farther north.

John Micheal Henry

430 RWHP / 435 Lb Ft Torque all motor..w/tune..

10mm_

I'll be sad but you're probably close lol

jacksnorm

I wouldn't worry too much even if it dynos low. My car runs more MPH in the 1/4 than cars I've seen dyno in the 440s. As long as the tune picks up hp and tq. 5th gear pull my car made 414/440. Bone stock was in the 380s.

10mm_

You are exactly right.

Mine made 395/398 on the stock tune and 417/425 after the tune on motor.

All the pulls were done in 4th gear. The Dyno operator said that pulling them in 6th (1:1) is hard on the car, and it gets really hot.

jacksnorm

Those are good numbers. Also have to take the correction factor into consideration since most tuners don't want to use 6th gear for 1:1 pulls.

10mm_

At first I was bummed it didn't make more. But after we sprayed it I was happy lol.

591/620 on a 150 shot

jacksnorm

Impressive... sounds like u will need some drag radials soon.

10mm_

Vetteman Jack

Good numbers you got from the car and the 150 shot really bumped it up.

10mm_

Thanks!

Nosferatu

shortest dyno pull...ever!!! Numbers typically aren't as accurate with a non 1:1 gear but main thing is just follow area under the curve.

10mm_

By "aren't as accurate" you really mean lower. All my pulls were done in 4th gear, the numbers would have read higher in 6th (1:1) but the pulls would be harder on the car.

Or I could just say "when you make power the dyno pulls don't take long"