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Fast Intentions Stage 2 TT build by MA-Motorsports.

Originally Posted by cv129 http://www.the370z.com/3867933-post1459.html 824 whp 21psi in 5th, post # 1459 Post #1459, lolol.... I knew it was in this thread somewhere, thanks for saving me a few

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Old 01-14-2020, 01:02 PM   #2116 (permalink)
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Quote:
Originally Posted by cv129 View Post
Post #1459, lolol.... I knew it was in this thread somewhere, thanks for saving me a few days of searching...ha
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Old 01-14-2020, 01:12 PM   #2117 (permalink)
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Originally Posted by Spooler View Post
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.
Well I guess I'm gonna find out if a bigger combustion chamber does much. Haven't CC'd the heads yet, but I unshrouded the valves pretty good. I have time right now and did it myself, I would have never of pay for port work. I figured I needed all the help I can getting this thing to spool up in the rear.

Of course plan B(n20) will light it up real fast...lol. Then watch the firework show producing a giant cloud of tranny fluid and coolant, lol. Spooling it will be my last problem, for sure...
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Old 01-15-2020, 11:15 PM   #2118 (permalink)
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If you wait until 6:00min. in you will found out why our cylinder walls get torched when the headgasket lets go at full boost.


http://www.youtube.com/watch?v=HtRexrNJRqU
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Old 01-15-2020, 11:24 PM   #2119 (permalink)
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So you're going with 100 psi on the new build? Nice
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Old 01-15-2020, 11:26 PM   #2120 (permalink)
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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.
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Old 01-15-2020, 11:29 PM   #2121 (permalink)
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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
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Old 01-15-2020, 11:34 PM   #2122 (permalink)
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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.
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Old 01-15-2020, 11:38 PM   #2123 (permalink)
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That's called steam cutting. Seen it a lot it in steam turbines that had a leak on the high pressure side. Looks like someone took a cutting torch to it.

In this case. When the head gasket goes. The coolant becomes steam from the flame in the cylinder.
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Old 01-15-2020, 11:46 PM   #2124 (permalink)
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Originally Posted by Rusty View Post
That's called steam cutting. Seen it a lot it in steam turbines that had a leak on the high pressure side. Looks like someone took a cutting torch to it.

In this case. When the head gasket goes. The coolant becomes steam from the flame in the cylinder.
I am just about positive the one cylinder I am down the cylinder wall has been torched straight to the coolant. LOL, that is why I haven't been all fired up to diagnose it any. It's a waste of time.
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Old 01-16-2020, 12:01 AM   #2125 (permalink)
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Spooler... Sorry to hear about your build going south. I just came across this today and was always hopeful yours was still running strong. We are still working on mine but taking our time. Just need to keep pushing the platform until we find a solution
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Old 01-16-2020, 12:03 AM   #2126 (permalink)
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Spooler... Sorry to hear about your build going south. I just came across this today and was always hopeful yours was still running strong. We are still working on mine but taking our time. Just need to keep pushing the platform until we find a solution
Crap happens, I will get it fixed. I know which way I am headed. You guys will just have to wait and see what I do. By the way, I rarely get it right the first try. LOL Close, but no cigar.
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Old 01-16-2020, 02:59 AM   #2127 (permalink)
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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.

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Old 01-16-2020, 10:28 PM   #2128 (permalink)
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What head gaskets did you use? Tq spec?
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Old 01-18-2020, 06:29 PM   #2129 (permalink)
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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.
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Old 01-18-2020, 06:59 PM   #2130 (permalink)
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Congrats!

Best of luck!!

Damn your money tree grows fast!!!
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