Lateral-g Forums - Jackass w/ LS9: original build and new Jackass 2.0 updates!

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Chassis Dyno Number

I'm no chassis dyno guy so here are the numbers from a quick pull. Joe said these were good numbers because he had a twin turbo 427 on the dyno last week that made 525 HP. That car went low 10's.

We dynoed another LS9 with the same engine cal on an engine dyo and got these number.

RPM STPTrq STPPwr

2800 598.6 319.3
2900 604.5 333.9
3000 613.7 350.7
3100 618.8 365.4
3200 621.9 379.1
3300 628.3 394.9
3400 630.2 408.1
3500 635.6 423.7
3600 639.1 438.2
3700 647.9 456.6
3800 652.5 472.3
3900 656.3 487.5
4000 652.1 496.8
4100 657.7 513.6
4200 661.2 529.0
4300 657.5 538.5
4400 657 550.6
4500 657.3 563.4
4600 655.9 574.7
4700 655.1 586.5
4800 652.2 596.3
4900 651.3 607.9
5000 646.5 615.7
5100 643.5 625.1
5200 638 631.9
5300 639 645.1
5400 634.1 652.2
5500 629.7 659.7
5600 627.2 669.0
5700 624.3 677.8
5800 614.8 679.2
5900 604.5 679.3
6000 604.7 691.1
6100 597 693.7
6200 591 697.9
6300 585.5 702.6
6400 562.1 685.2

http://i439.photobucket.com/albums/q.../JADyno001.jpg

http://i439.photobucket.com/albums/q...w65/JADyno.jpg

great pics and story, thanks Mark! I know Charley can't wait to get in and drive.

Jody

Mark, Thanks for posting the pics and all the info. This has been a great build to follow. :thumbsup:

I hope I get a chance to see JA on the road here in Michigan before you send it home to Charlie.

Mike

Awesome numbers.....that would be way to much drivetrain loss. I'd have to question those engine dyno numbers. Either way a blast to drive.

That is so awesome.
Seeing those pics of JA at the car show is just breath taking. The car just sits PERFECT and just by looking at it, you can tell it was put together VERY well!!
Very nice!:hail: :thumbsup:

Mark can I get some info on the wheels on J-A Dia, how wide. offset ,& back spacing.I really want to use the 06/ZO6 wheels on my 72 camaro I am working on now.Just love the look of that OEM wheels. Scott.

Quote:

Originally Posted by Vegas69 (Post 214484)

Awesome numbers.....that would be way to much drivetrain loss. I'd have to question those engine dyno numbers. Either way a blast to drive.

Mustang Dyno's are notoriously low #'s wise. Would def see higher #'s from a dynojet, I wouldn't be too concerned after seeing the engine dyno #'s tho

Quote:

Originally Posted by Vegas69 (Post 214484)

Awesome numbers.....that would be way to much drivetrain loss. I'd have to question those engine dyno numbers. Either way a blast to drive.

Both dyno #'s were posted to show just what it is. The engine dyno was done at a shop that builds stuff for GM. The Chassis dyno was done on a new Mustang Dyno at Stenods. Joe at Stenods says his same dyno showed a twin turbo 427 making 525hp. I doubt if there is a 200 hp loss thru the drivetrain. We are not trying to sell engines here and posting fluffed #'s. A Dyno guy can make it show any # the customer wants.

Looks great Charley. JA definitely is a culmination of all the others done just right. After looking at it for awhile now, I wonder how an argent grill would look to tie in with the wheels?