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-   -   Jackass w/ LS9: original build and new Jackass 2.0 updates! (https://www.lateral-g.net/forums/showthread.php?t=60147)

Roberts68 01-21-2015 07:58 AM

Quote:

Originally Posted by WSSix (Post 590880)
I'm pretty sure he's using fire hose nozzles. I could be mistaken though.

:rofl:

Right?!

Are you thinking 1.5" NST or 2.5" NST though?

Probably the "up to 350 gpm turbo nozzle" ... with twin pistol grips... times 8! :thumbsup:

mikels 01-21-2015 08:39 AM

Quote:

Originally Posted by Payton King (Post 590877)
This question is going to seem to come out of left field...what injectors are you running in both Hell Fire and JA 2 ? I am looking for an injector to support 800 hp NA and did not know if the GM injector is up to the task.

I have looked at this injector as well

http://injectordynamics.com/injectors/id850/

Thoughts?

For E85 compatibility (and flow requirements) JA2 will use Injector Dynamics 1300's.
http://injectordynamics.com/injectors/id1300-2/

Same injector we used for Thomson's Corvette engine (near duplicate of Hellfire with E85).

Best injectors I've used yet for these high-power engines. Great control at lower flows (idle on gas) and still have capacity for peak power on E85. Not to mention they provide the injector characteristic calibrations.

They are Bosch Motorsports developed parts sold exclusively through Injector Dynamics. Not a cheap date - but they work exceptionally well.

800 NA is beyond capacity for all production GM injectors. ID800 is large for 800 NA. ID725 better choice.

Dave

Justin@EntropyRad 01-21-2015 10:01 AM

Exotic parts
 
Carbon Ceramics and an LS9?? :ohsnap: :headspin:

NvrDun71 01-21-2015 10:04 AM

Not to get this thread derailed too much or off-topic, but what is the highest flowing GM injector? Stock Ls9?

Payton King 01-21-2015 11:03 AM

Thanks for jumping in Dave. I am sending you a PM.

Stielow 01-25-2015 01:20 PM

Quote:

Originally Posted by youthpastor (Post 590411)
We've used Concept One A/C compressor mount for the LS9 and it gave us enough clearance

When you use the DSE LS7 style engine mounts the Concept One A/C mount still crashes into the frame. If you use the OE location mounts (About 1.25 inches forward) it will clear.

Mark

Stielow 01-25-2015 01:33 PM

I got some new wheels for the JA2.0 project.

These are 18 X 10 mono block wheels that fit over the 394 mm ZR-1 rotors.

http://i439.photobucket.com/albums/q...psrpr4vqeo.jpg

http://i439.photobucket.com/albums/q...psmxe4iji0.jpg

With the DSE front clip the ZR-1 wheels don't fit anymore.

Mark

andrewb70 01-25-2015 01:43 PM

Those look nice Mark. Who makes them?

Andrew

Stielow 01-25-2015 02:00 PM

Quote:

Originally Posted by andrewb70 (Post 591592)
Those look nice Mark. Who makes them?

Andrew

Forgestar - I got a Black Friday special of $1100 for a set of 18 X 10 fronts and 18 X 12 rears. 7 week lead time. Very nice for the price. If they break I'll be the first to know then the guardrail will be the 2nd to know.

I need a one piece wheel to clear the 15 inch rotors and these do.

The Finspeeds have a better looking rear wheel with a deeper concave. These are still cool for the price.

http://i439.photobucket.com/albums/q...pss8otavys.jpg

Mark

BigJoe 01-25-2015 03:23 PM

bro its function over form, i think they look great. We would all want more lip but for the price that are bad ass.

Vince@Meanstreets 01-25-2015 03:26 PM

Wow, nice price and do they fit the front without spacers?

Stielow 01-25-2015 04:02 PM

Quote:

Originally Posted by Vince@MSperfab (Post 591618)
Wow, nice price and do they fit the front without spacers?

The front are 18 X 10 with 6.125 backspacing so they do not need spacers.

The rears are 36 mm offset so I'll set axle width so no spacers.

Mark

formula88 01-25-2015 05:44 PM

Some updates:

As part of the rebuild, JA is getting all new wiring. Ryan started making the new engine/trans harness.

http://i1158.photobucket.com/albums/...2/DSC_3216.jpg

The interior will also be refurbished. The steel pipe on top of the trans tunnel is holding up the trans through the shifter opening using a nylon rachet strap.
The original trans crossmember was removed with the old subframe. A new crossmember (built into the floor) will be fabricated like was used on Hellfire.

http://i1158.photobucket.com/albums/...2/DSC_3223.jpg

formula88 01-25-2015 06:18 PM

I think I saw this trailer loading method before on History Channel Egyptian pyramid building episode.

http://i1158.photobucket.com/albums/...2/DSC_3233.jpg

Sled Alley will be fabricating the new trans crossmember, new radiator and intercooler and ECM mounts as well as relocating the drysump tank.
There's also a bunch of other stuff that I can't seem to remember :headscratch:

http://i1158.photobucket.com/albums/...2/DSC_3241.jpg

http://i1158.photobucket.com/albums/...2/DSC_3255.jpg

GregWeld 01-25-2015 06:21 PM

Good updates Gordon!


Hope you found a bunch of Lillard's pocket change under the seats!

Che70velle 01-25-2015 07:03 PM

Is that a creeper underneath the front crossmember?
Whatever it is, that's a brave move.

Sieg 01-25-2015 07:14 PM

Nices stoppers and score on the wheels!

The wheel dollies and ramp set up is......uh......functional. :)

clill 01-25-2015 08:56 PM

Has anyone seen my car ? I loaned Jackass back to Stielow because he said he wanted to take a couple measurements. Now I get emailed a link to this thread and look what he has done...I bet they found french fries and Nerds under the seat. I can't believe you parted out my car.

Sideshow 01-25-2015 10:23 PM

Hey when I was ordering my wheels from jake at forgestar. Jake was super helpful. He worked with me and worked with me to get it right. He told me stielow was ordering wheels too. I thought he was a liar. Hahahaha. Guess not. The wheels were super cheap on the black Friday sale. especially for forged wheels. Kinda unheard of. I'm getting mine on Tuesday. I got the f14 super deep concave.

71RS/SS396 01-26-2015 03:15 AM

Quote:

Originally Posted by Payton King (Post 590877)
This question is going to seem to come out of left field...what injectors are you running in both Hell Fire and JA 2 ? I am looking for an injector to support 800 hp NA and did not know if the GM injector is up to the task.

I have looked at this injector as well

http://injectordynamics.com/injectors/id850/

Thoughts?

Per Kurt

Here's how you calculate proper injector size to get you at 80% duty cycle;

Expected max horsepower x 1.2 x .5 for n/a ( .65 for boost) divided by the number of cylinders.

Example for 800 n/a : 800 X 1.2 = 960 X .5 = 480/8 = 60 so you would need a 60 lb/hr injector for an 800 hp n/a engine.

WSSix 01-26-2015 09:31 AM

Quote:

Originally Posted by clill (Post 591700)
Has anyone seen my car ? I loaned Jackass back to Stielow because he said he wanted to take a couple measurements. Now I get emailed a link to this thread and look what he has done...I bet they found french fries and Nerds under the seat. I can't believe you parted out my car.

:lmao: Great response, Charlie.

I really do like that this car is getting an update.

will69camaro 01-26-2015 09:52 AM

Quote:

Originally Posted by Sideshow (Post 591704)
he wheels were super cheap on the black Friday sale. especially for forged wheels. Kinda unheard of.

They are very nice wheels, especially for the cost, but they are not a true forged wheel. They're "rotary forged flow-formed.

The center of the wheel is essentially a cast wheel with hoop properties that are similar to a forged wheel. Stronger and lighter than traditional cast wheels.

William

wiedemab 01-26-2015 01:56 PM

Quote:

Originally Posted by 71RS/SS396 (Post 591709)
Per Kurt

Here's how you calculate proper injector size to get you at 80% duty cycle;

Expected max horsepower x 1.2 x .5 for n/a ( .65 for boost) divided by the number of cylinders.

Example for 800 n/a : 800 X 1.2 = 960 X .5 = 480/8 = 60 so you would need a 60 lb/hr injector for an 800 hp n/a engine.

For those of you (like me) that like units on their numbers (sorry, it was pounded into my head throughout my academic career) here is a good description with units of measure.

Information is from this site - - http://www.rceng.com/technical.aspx

Selecting the Proper Injector Size

In order to select the correct size injector for your application, you might wish to use one of the following formulas.

In most cases a naturally aspirated engine will have a B.S.F.C of .50. This means that the engine will use .50 lbs. of fuel per hour for each horsepower it produces. Turbocharged engines will want to be at .60 lbs. per hour or higher.



Using these numbers as a guideline, you can select the approximate injector size in the following formula for a four cylinder, naturally aspirated engine at 200 bhp.

Most injectors will max out at 80% duty cycle and this is the accepted industry standard.

B.S.F.C is brake specific fuel consumption - How much fuel you are using per horsepower per hour

http://www.rceng.com/images/rc/formula-1.gif

http://www.rceng.com/technical.aspx

Sideshow 01-26-2015 02:10 PM

Quote:

Originally Posted by will69camaro (Post 591765)
They are very nice wheels, especially for the cost, but they are not a true forged wheel. They're "rotary forged flow-formed.

The center of the wheel is essentially a cast wheel with hoop properties that are similar to a forged wheel. Stronger and lighter than traditional cast wheels.

William

oops. sorry to mislead anyone.

will69camaro 01-26-2015 02:52 PM

Quote:

Originally Posted by Sideshow (Post 591797)
oops. sorry to mislead anyone.

Not a problem, just keeping it technical in here :)

Several friends have forgestars and they're a great wheel for the money. They're solid "middle ground" wheels IMO.

William

mikels 01-27-2015 05:07 PM

1 Attachment(s)
Quote:

Originally Posted by NvrDun71 (Post 590910)
Not to get this thread derailed too much or off-topic, but what is the highest flowing GM injector? Stock Ls9?

Common LS injectors sorted by size (flow rated @ 3 BAR or 43.5 psig)

So yes, LSA/LS9 injectors are largest stock GM port fuel injectors.

Stielow 01-27-2015 05:12 PM

Sled Alley
 
1 Attachment(s)
The plan is coming togther. Matt at Sled Alley is working on JA and Thomson Auto has the short block just about done.

Build-It-Break-it 01-27-2015 10:54 PM

Geez this cars moving along fast!

Justin@EntropyRad 01-28-2015 06:39 AM

Watching this one
 
Looks great so far

wiedemab 01-28-2015 08:03 AM

Quote:

Originally Posted by Stielow (Post 591991)
The plan is coming togther. Matt at Sled Alley is working on JA and Thomson Auto has the short block just about done.

Prepping it for a vinyl top? ;)

Stielow 02-01-2015 10:04 AM

Things are moving forward.

Thomson finished the short block so we will swap of the top end and the engine will be ready. Bran has the same engine in his Vett and on E-85 it cleared over 1000 HP.

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

Across town Sled Alley has a good start on the vehicle modifications. Matt and I really like the way the under hood looked and worked on Hellfire so we are sinking the dry sump tank in the cowl again. We added a little more oil volume this time. The system should be 16 quarts when we are done. We are going to make an access in the inner fender so we can service it this time.

We are filling all the odd holes in the firewall and welding up the bars that pass through the fire wall. They always rattled.

Matt should have the transmission cross member done this week.


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

http://i439.photobucket.com/albums/q...pswgeegut5.jpg

http://i439.photobucket.com/albums/q...ps9hkb5mjd.jpg

http://i439.photobucket.com/albums/q...psdky6tugk.jpg

We should have the new radiator from C&R in 2 weeks. Once we get that we can finish the engine bay.

The car is moving quickly because we have a plan and we have done it before:

Sled Alley List

Fabrication work stage 1

• Fill all the unneeded holes in the firewall and the bottom of the car
• Move the dry sump tank to the cowl area
• Make air oil separator / goiter tank (New design)
• Make trans cross member (Like Hellfire)
• Make the passenger inner fender well 2 pieces to allow access to the dry sump tank
• Rework the shelf in the back seat area
• Make dip stick hose
• Mil Spec fire wall pass through (Like Hellfire)
• Mil Spec rear pass through (Like Hellfire)
• Mount intercooler pump (Like Hellfire)
• Mount ABS module (Like Hellfire)
• Mount ECM (Like Hellfire)
• Mount fuse box (Like Hellfire)
• Move harness bar up 1.5 inches (Like Hellfire)
• Modify Detroit Speed Dash for kick up and add aluminum removable panel (Like Hellfire)
• Remake front down bars
• Modify inner fender wells to clear down bars
• Rear package tray speaker holes 6X9
• Dash 2 4” speakers
• Make ½ inch fuel line

Car comes back to my house

Stage 2

• Mount radiator (C&R is making) ETA 3 weeks
• Make air inlet tube
• Mount air filter
• Rework hood for stock hood latch
• Rework rad support for stock hood latch
• Modify exhaust to connect to new headers and old exhaust

After Stage 2 I envision blowing the car back apart to do the paint work.

Stage 3

• Repaint bottom of car and firewall
• Repaint trunk
• Repaint outside mirrors
• Repaint front bumper
• Touch up roll bar

Car back to my house to plumb it and wire it.

Stage 4

• New carpet
• New recovered back shelf

Stielow

JohnC 02-01-2015 10:30 AM

Nice work, Matt. All the mods look very clean.

Mark, is it going to have a back seat again? Great plan--thanks for sharing.

John

Rick D 02-01-2015 10:44 AM

Great plan Mark. One question, is this going to be more of a street car and Hellfire be the race car??

Stielow 02-01-2015 10:58 AM

Quote:

Originally Posted by Rick D (Post 592688)
Great plan Mark. One question, is this going to be more of a street car and Hellfire be the race car??

Hellfire and JA are both street cars that can be put on the track. Charley is taking Hellfire on Power Tour and JA will be the car I'll take to events this summer.

JA is Hellfire - less Carbon front clip, smaller front tires, about 150 lbs heavier and no killer Dutchboys paint... It is also 6 years old so beating on it on track is less of a repair bill.

We have a "track car" in the works but won't be done this year. :secret:

I've always liked JA but it had some funky stuff from Reider, the wiring needed cleaned up and it needed ABS brakes.

I know it has scope creep but it should be a cool cruiser this summer.

Mark

LS7 Z/28 02-01-2015 11:19 AM

Quote:

Originally Posted by Stielow (Post 592690)

We have a "track car" in the works but won't be done this year. :secret:


Mark

Don't get all GM on us and keep the build top secret. I think a lot of people will be interested in that project.

Che70velle 02-01-2015 11:25 AM

Quote:

Originally Posted by LS7 Z/28 (Post 592698)
Don't get all GM on us and keep the build top secret. I think a lot of people will be interested in that project.

Yeah Mark, give us a couple details...

Stielow 02-01-2015 11:28 AM

Quote:

Originally Posted by Che70velle (Post 592700)
Yeah Mark, give us a couple details...

It will be Fast

It will be GM.

OK that's a couple details.....

It will be more of a dedicated track car not an OUSCI deal.

Mark

LS7 Z/28 02-01-2015 11:30 AM

Quote:

Originally Posted by Stielow (Post 592701)
It will be Fast

It will be GM.

OK that's a couple details.....

Mark

This car is called Jackass, that one should be called Smartass after it's owner.

Che70velle 02-01-2015 11:31 AM

Quote:

Originally Posted by Stielow (Post 592701)
It will be Fast

It will be GM.

OK that's a couple details.....

Mark

Hoping its a classic car...hint hint.
Glad to see you making over 1k hp this time around. Hellfire must have felt like a slug to drive. Lol.

Sieg 02-01-2015 01:00 PM

Quote:

Originally Posted by LS7 Z/28 (Post 592704)
This car is called Jackass, that one should be called Sneaky Smartass after it's owner.

Fixed it for ya. :thumbsup:


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