Fast Intentions Stage 2 TT build by MA-Motorsports.

Spooler · 01-13-2020, 11:06 PM

Quote:

Originally Posted by Bman427

Assuming 825 at the flywheel? What size twins are you running? Any headwork done?

824.x at the wheel, 946.x at the crank. Just JWT C2 exhaust cams listed in build. Don't need any headwork. Just little twins, Zonarotor turbo's equivalent to GT3076's.

Spooler · 01-13-2020, 03:07 PM

Quote:

Originally Posted by Bman427

I emailed this place and asked a few questions. They told me their block would hold 20-25psi no problem. Zero clue if anyone has tried it, just passing info. Looks like the same concept as they RJM closed deck block to me, but just a guess.... I'm sure its a super top secret special procedure

https://cylindersupportsystem.com/

Too early to tell. I know of a couple of cars using them with some additional stuff. It is the same concept as the RJM. CSS installs them with a CNC.

Rusty · 01-13-2020, 05:08 PM

Quote:

Originally Posted by Bman427

I emailed this place and asked a few questions. They told me their block would hold 20-25psi no problem. Zero clue if anyone has tried it, just passing info. Looks like the same concept as they RJM closed deck block to me, but just a guess.... I'm sure its a super top secret special procedure

https://cylindersupportsystem.com/

Someone had already posted this a couple of pages back.

JARblue · 01-15-2020, 10:24 PM

So you're going with 100 psi on the new build? Nice

Spooler · 01-15-2020, 10:26 PM

Quote:

Originally Posted by JARblue

So you're going with 100 psi on the new build? Nice

LOL, you are a funny guy. We as a group are having a hard time keeping them together at 17-24psi. 100psi, not happening.

phunk · 01-15-2020, 10:29 PM

Boost pressure isnt really relevant to the problem. Engine torque is a much better indication of cylinder pressure than boost is. Not to be nit-picky, but I hate talking in boost psi when in itself its so irrelevant

Spooler · 01-15-2020, 10:34 PM

Quote:

Originally Posted by phunk

Boost pressure isnt really relevant to the problem. Engine torque is a much better indication of cylinder pressure than boost is. Not to be nit-picky, but I hate talking in boost psi when in itself its so irrelevant

True, my diesel truck has around 1200ft/lb of torque and 625hp. I only make 43psi of boost. I think the engine is 16-17:1 compression ratio. On the 5.9 Cummins the torque is real close to double the HP. Sometimes more. Playing in the diesel world, turbo drive pressure and timing will also effect cylinder pressure.

BettyZ · 01-16-2020, 01:59 AM

Quote:

Originally Posted by phunk

Boost pressure isnt really relevant to the problem. Engine torque is a much better indication of cylinder pressure than boost is. Not to be nit-picky, but I hate talking in boost psi when in itself its so irrelevant

Pick all the nits you want. Everyone that matters knows that you know what you're talking about and aren't just being pedantic.

Sent from my SM-G955U using Tapatalk

Bman427 · 01-16-2020, 09:28 PM

What head gaskets did you use? Tq spec?

Spooler · 01-18-2020, 05:29 PM

The next motor is going to be built by Mazworx. I have made my decision. I am excited and nervous. Waiting for the bank account to grow in the next month to kick it off. My money tree will be in full blossom by the end of February. I hope all goes well or I will be waiting a while longer.

cv129 · 01-18-2020, 05:59 PM

Congrats!

Best of luck!!

Damn your money tree grows fast!!!

Rusty · 01-18-2020, 06:11 PM

Quote:

Originally Posted by cv129

Congrats!

Best of luck!!

Damn your money tree grows fast!!!

Spooler · 01-18-2020, 06:48 PM

Quote:

Originally Posted by Rusty

Yeah, I am gonna need it.

Spooler · 01-20-2020, 06:08 PM

Interesting stuff.

Martijn_b · 01-20-2020, 06:19 PM

Interesting! I was on a hub dyno once, very convenient to work with. When I went last Saturday I the operator did 12 second runs. I thought it was a bit long..

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01-15-2020, 10:24 PM	#4 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 44 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684441	So you're going with 100 psi on the new build? Nice __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

01-15-2020, 10:29 PM	#6 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,669 Drives: 370 Rep Power: 974724	Boost pressure isnt really relevant to the problem. Engine torque is a much better indication of cylinder pressure than boost is. Not to be nit-picky, but I hate talking in boost psi when in itself its so irrelevant __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph

01-18-2020, 05:29 PM	#10 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,000 Drives: 2013 Nismo 370z Rep Power: 2684393	The next motor is going to be built by Mazworx. I have made my decision. I am excited and nervous. Waiting for the bank account to grow in the next month to kick it off. My money tree will be in full blossom by the end of February. I hope all goes well or I will be waiting a while longer. Last edited by Spooler; 01-18-2020 at 06:03 PM.

01-18-2020, 05:59 PM	#11 (permalink)
cv129 A True Z Fanatic Join Date: Jul 2011 Location: Dallas, TX Posts: 3,262 Drives: 09 Nismo, 16 Nismo Rep Power: 163995	Congrats! Best of luck!! Damn your money tree grows fast!!! __________________ Setrab \| RE-71 \| SPL \| JRZ \| Nismo \| ARK \| Whiteline \| RacingBrake \| CJM Oil Pan \| Ti shield

01-20-2020, 06:19 PM	#15 (permalink)
Martijn_b Enthusiast Member Join Date: Jan 2018 Location: Netherlands Posts: 280 Drives: 2010 370z MB 6MT Rep Power: 3787	Interesting! I was on a hub dyno once, very convenient to work with. When I went last Saturday I the operator did 12 second runs. I thought it was a bit long.. Sent from my SM-G973F using Tapatalk __________________ Instagram: Boosted_Fairlady

01-16-2020, 09:28 PM	#9 (permalink)
Bman427 Base Member Join Date: Nov 2019 Location: Pittsburgh Posts: 25 Drives: 09 G37X Rep Power: 6	What head gaskets did you use? Tq spec?

01-20-2020, 06:08 PM	#14 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,000 Drives: 2013 Nismo 370z Rep Power: 2684393	Interesting stuff.

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