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Old 04-25-2012, 03:43 PM   #3326
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Quote:
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Why don't you make a guess too... if you win we'll just say you cheated

I might make a guess at some point... and if I picked a number right now I would stick with win loose or draw...
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Old 04-25-2012, 07:02 PM   #3327
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1300 figured to throw a guess in the hat
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Old 04-25-2012, 07:12 PM   #3328
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Tune for the bigger turbos... And then put some miles and heat cycles on the trans and diff, and then see what he can do with boost and fuel... C-16...117 octane race fuel...

When I get back we'll finish the nitrous install and see what we see...

My prediction... ... Race fuel and nitrous ( Probably a 150 wet shot )

Hmmm... Taking guesses here...

Feel free to post up... Anybody....A prize... Not yet determined to the winner... Closest without going over...

Just to make sure there is some interest... Last year I gave away a Henderson Performance Technology T-shirt and offered up a 5th of Crown Royal...so feel free to post up your best guess...

So Far...

Garcmol... 1430
carbon8... 1130
Mr Twisty... 1234
SRT10KLLR... 1080
Dangeruss... 1040
Happy Pappy... 1288
Kyle.Gilmour... 1287
rjdapilmoto... 1450
z28camaro2471... 1102
mlee... 1041
Tag Ur It... 1042 (editable for obvious reasons) he has the power... he can even go back and edit quoted material
PQ... 1240
Darth_Emma... 1195
Camaro21... 1225
Stieger... 1237
Racer778... ???
GTAHVIT... 1262
jrpxxii... 1183
fcu678... 1160
Speedster... 1231 average of 1212-1250
Dragoneye... 1187
Vette TPI... 1300

Injectors are 93 lb/hr at 4 bar (58 psi) running them at 60 psi...

As for the wet shot of nitrous, it will be a stand alone system, with a SS tank under the hood, internal fuel pump, external regulator. We will have C-16 in the stand alone tank.

When I mentioned maxing out the boost, this was in reference to a safe amount of boost based on available fuel... We ordered the Eliminator Fuel system from Aeromotive... Supports 1400 HP in a FI car...
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Old 04-25-2012, 08:34 PM   #3329
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NOS is gonna be useless till you hit 150mph
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Old 04-26-2012, 12:33 AM   #3330
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Why need NOS!!!...haha...so true, so true! 150ish and FOOOSH!
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Old 04-26-2012, 01:33 AM   #3331
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Quote:
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NOS is gonna be useless till you hit 150mph
Quote:
Originally Posted by TAG UR IT View Post


Why need NOS!!!...haha...so true, so true! 150ish and FOOOSH!
Hmmm....should be a progressive shot, no? Not a "fast and the furious" we're going 150MPH so now we hit it to make it to 200 sort of thing. Probly a progressive feed...based on boost, etc?
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Old 04-26-2012, 06:51 AM   #3332
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Quote:
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NOS is gonna be useless till you hit 150mph
Why do a 110 mph burnout when you can smoke em at 150+...

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Why need NOS!!!...haha...so true, so true! 150ish and FOOOSH!
you think that runway was skinny when you rode with me before...

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Hmmm....should be a progressive shot, no? Not a "fast and the furious" we're going 150MPH so now we hit it to make it to 200 sort of thing. Probly a progressive feed...based on boost, etc?
I believe Corey mentioned a progressive set up... I certainly wouldn't want to HAVE to try to keep it in a straight line if a 150 shot hit on top of what's already there... in 1st, 2nd and 3rd, and pretty much 4th, from 3500-4000 to the redline is only a moment in time already... I would probably have to go automatic then just to keep up with the motor...

Tach is 2000 + rpm behind the motor, and the driver is two gears behind the motor...
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Old 04-26-2012, 07:49 AM   #3333
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Has anyone done a graph showing gear/speed/rpm with your setup?
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Old 04-26-2012, 09:03 AM   #3334
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Has anyone done a graph showing gear/speed/rpm with your setup?

Hmmm, no, I may need to look into doing that...
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Old 04-26-2012, 09:47 AM   #3335
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Hmmm, no, I may need to look into doing that...
I have a simple old program, but it's DOS based... don't know if it will run on newer OS.....

What are your new trans and diff ratios? Linked in your first post maybe?

If I can get it to run I'll do some screen shots
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Old 04-26-2012, 09:58 AM   #3336
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Hmmm, no, I may need to look into doing that...

Give me the specs and I can do that in a hearbeat...
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Old 04-26-2012, 10:09 AM   #3337
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Give me the specs and I can do that in a hearbeat...
Save him some trouble... found trans...


1st Gear 2.66
2nd Gear 1.78
3rd Gear 1.30
4th Gear 1.0
5th Gear .84
6th Gear .63

diff 3.07

rear tire diameter?


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Old 04-26-2012, 11:08 AM   #3338
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Quote:
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Save him some trouble... found trans...


1st Gear 2.66
2nd Gear 1.78
3rd Gear 1.30
4th Gear 1.0
5th Gear .84
6th Gear .63

diff 3.07

rear tire diameter?

Can you figure it based on the stock rear tires... 28.5 I think... and my drag slicks are 28...
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Old 04-26-2012, 11:09 AM   #3339
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Give me the specs and I can do that in a hearbeat...
do you have a spread sheet for doing that or do you use a calculator...?
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Old 04-26-2012, 11:14 AM   #3340
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Can you figure it based on the stock rear tires... 28.5 I think... and my drag slicks are 28...
Close enough for gov't work... what tires will you use for mile?
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Old 04-26-2012, 11:15 AM   #3341
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Close enough for gov't work... what tires will you use for mile?
pssshhh, haven't gotten that far yet... still trying to get the car running and then find a mile when I'm actually off...
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Old 04-26-2012, 01:50 PM   #3342
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do you have a spread sheet for doing that or do you use a calculator...?

Sorry about the delay, I just got back from a meeting.
This is a Drag simulator. I also made a custom engine for Brandi putting out kick ass torque. This is with 28" slicks. I let the computer do some iterations for optimal launch and shift points. Note this is a complete WAG on the power curve for the engine. I took one of the SST curves and modified it for the 427 in Brandi.

No, it is not a Chrysler trans, but that gave me the 2.66 first gear I needed. Note that at the end of the 1/4 with 3.07 gears you are around 160 (161.2 at the end of the lights) and a little over 6000 rpm. 5th and 6th are unnecessary.

This thing is pulling like a freight train on the top end...

One caveat to this is that this is optimized. It would need to be a perfect run to achieve these with the given parameters. (Especially clutch, tires and suspension) but it does give you a cool baseline.
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Old 04-26-2012, 02:00 PM   #3343
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Robert...

You know I don't know that much about this stuff, but are you worried at all about the sleeved block or the LS3 heads?
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Old 04-26-2012, 02:20 PM   #3344
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1258 + a 150 shot 1408... gettin' near my WAG. (and I did all that in my noggin')
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Old 04-26-2012, 05:28 PM   #3345
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Quote:
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Sorry about the delay, I just got back from a meeting.
This is a Drag simulator. I also made a custom engine for Brandi putting out kick ass torque. This is with 28" slicks. I let the computer do some iterations for optimal launch and shift points. Note this is a complete WAG on the power curve for the engine. I took one of the SST curves and modified it for the 427 in Brandi.

No, it is not a Chrysler trans, but that gave me the 2.66 first gear I needed. Note that at the end of the 1/4 with 3.07 gears you are around 160 (161.2 at the end of the lights) and a little over 6000 rpm. 5th and 6th are unnecessary.

This thing is pulling like a freight train on the top end...

One caveat to this is that this is optimized. It would need to be a perfect run to achieve these with the given parameters. (Especially clutch, tires and suspension) but it does give you a cool baseline.
Cool, Thanks Bruce... I'ts always fun to see stuff like that, but the proof is in the pudding, or on the track, or somewhere...

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Robert...

You know I don't know that much about this stuff, but are you worried at all about the sleeved block or the LS3 heads?
Russ,

ERL told us point blank that this motor is being used in an 1800 HP sand dragster, and a 2000+ hp dragster... If I am concerned about anything it's the heads... but no, I'm not particularly worried about those either... If they lift and blow the gaskets out, then I'll consider something else to top the motor with...

As for the block, the cylinders are absolutely uniform and consistent as they are machined inside and out prior to use and fitting...They are of a ductile iron IIRC, and unlike say an LSx, they are not in any fashion subject to core shift... The sleeves are just as storng as the LSx, and by design, more consistent...

I'm not slamming on the LSx in any form or fashion, just a different philosophy and building style...

The LS3 block is highly re-inforced in key areas as it's being built...

Some of the biggest names in racing use aluminum blocks with iron sleeves... So, long story short, I'm very comfortable with it... and at the same time it's just as subject to murphy's law as any other motor

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Originally Posted by garcmol View Post
1258 + a 150 shot 1408... gettin' near my WAG. (and I did all that in my noggin')

Woohoo, Garc has internal math skills... lol... I hope we end up somewhere near your guess... Time will tell...
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Old 04-26-2012, 07:29 PM   #3346
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Looks like it's geared perfect for the 1/4 mile and the cars capability
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Old 04-26-2012, 07:38 PM   #3347
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Uh oh... for those of you that made a WAG based on what you knew about my build,

Here is something to consider... I posed the question to Corey about which pump we had ordered just to make sure... and here is the response...

"The eliminator pump. The A1000 wasn't much of an improvement on what we have now so that one was out"


This pump is capable of supporting 1400 HP in a forced induction car... It will have the pump speed controller and as mentioned before, the regulator on the return line with the boost sense fitting... Regardless of the manifold pressure, there will be 60 psi coming out of the rails... So, pump, new regulator, speed controller, and new rails...

I'll wait on the injectors and see what comes of these, but that isn't in the equation for this WAG contest...

Injectors are 93 lb/hr at 4 bar (58 psi) running them at 60 psi...

As for the wet shot of nitrous, it will be a stand alone system, with a SS tank under the hood, internal fuel pump, external regulator. We will have C-16 in the stand alone tank.

When I mentioned maxing out the boost, this was in reference to a safe amount of boost based on available fuel... I am verifying with Corey if we ordered the Stealth Fuel system or the Eliminator... I'll let you guys know...
Yeh, the Eliminator supports more power than the A1000 for sure. The stand alone fuel for the nitrous frees up some fuel since you are not using the in-tank pump.

So the limiting factor for boost will be the injectors. Those 93lb injectors are 80lb at 3 bar so they are only good to 1100 crank hp unless you go past 80% IDC or the engine is more efficient than .55 BSFC.

Doing the math 1100(crank hp) x .85(15% DT loss) = 935rwhp. Add 180rwhp(since the nitrous helps cool the air) for the 150 shot of nitrous and you get 1185.

Close enough to my original guess so I will stick to it.
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Old 04-26-2012, 07:42 PM   #3348
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Quote:
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Looks like it's geared perfect for the 1/4 mile and the cars capability
That's what I'm thinking...I know with an easy launch at current power, we were still going into 4th just about the 1/8th mile... so, traction, hard launch, get into 4th and let them turbo's eat...
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Old 04-26-2012, 07:46 PM   #3349
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Yeh, the Eliminator supports more power than the A1000 for sure. The stand alone fuel for the nitrous frees up some fuel since you are not using the in-tank pump.

So the limiting factor for boost will be the injectors. Those 93lb injectors are 80lb at 3 bar so they are only good to 1100 crank hp unless you go past 80% IDC or the engine is more efficient than .55 BSFC.

Doing the math 1100(crank hp) x .85(15% DT loss) = 935rwhp. Add 180rwhp(since the nitrous helps cool the air) for the 150 shot of nitrous and you get 1185.

Close enough to my original guess so I will stick to it.
you engineers, I swear... lol...

Time will tell... Can't wait... It's been a long road...and I'll get bigger injectors if needed... but not for this WAG contest..
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Old 04-26-2012, 08:20 PM   #3350
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Here is another chart showing top speed in each gear based on a 6500 RPM shift point...
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