GTX2860R : Kraken Low Mount -VS- FM DIY Kit
Turned up the boost on the Kraken setup tonight. Its dropping boost at higher rpm Im gonna have to look into that. But this is a comparison on my car the only differences are the Kraken setup has springs and retainers Supertech, the FM run was with a bone stock head. Other than that its the same engine, turbo, intercooler, etc. Looks like the Kraken setup gives massive gains at higher rpm. Thought you all might enjoy it.
https://cimg7.ibsrv.net/gimg/www.mia...54dfbbcbfa.jpg Red line is Kraken , Blue Line is FM. Kraken setup was dropping boost past 5000rpm and still made way more than the FM. |
Time for EBC, Andy
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Originally Posted by der_vierte
(Post 1600711)
Time for EBC, Andy
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Yes you need EBC, Andy. I think you'll see some additional top end gains.
Really cool to see how the Kraken low mount flows better than the FM manifold all else being equal. Thank you. I also have a full Kraken low mount 3" kit and an EFR 6258. Currently in the process of building my engine so I can join you in the pantheon of greatness. :likecat: |
Wow, you made the power WITHOUT EBC? Yikes!
When you get EBC installed and dialed in it will feel like a whole new car. |
Originally Posted by Chiburbian
(Post 1600781)
Wow, you made the power WITHOUT EBC? Yikes!
When you get EBC installed and dialed in it will feel like a whole new car. Already figured out how to get her to hold boost. No ebc needed |
Lovely spool. 200ftlbs of torque before 3200rpm. It's niiiiice!
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Originally Posted by allofit
(Post 1600796)
Lovely spool. 200ftlbs of torque before 3200rpm. It's niiiiice!
VEEEERYYYYYY NIIIIIICE -Borat |
Truly impressive output Andy. I expect to see bits of transmission and differential flying out the back of your car any time now.
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Originally Posted by Ken Hill
(Post 1601160)
Truly impressive output Andy. I expect to see bits of transmission and differential flying out the back of your car any time now.
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I think the reason the boost curve on my engine is 25psi ending at 22psi isnt due to not having an ebc I think this turbo compressor it at its limit airflow wise. Its a 42lb compressor wheel rated by Garrett for 475 but I think they are a little optimistic on their ratings bc 42lb is roughly 420hp and Im close to that. Looking at the compressor map at 1.5bar boost its totally tapped out, above that it actually starts flowing less air. Im happy though no need for a GTX2867.....lol
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How is it different to an oem GTX wheel?
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Originally Posted by yossi126
(Post 1601188)
How is it different to an oem GTX wheel?
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https://cimg8.ibsrv.net/gimg/www.mia...e8f3553b16.jpg
Been working on the tune more. Was able to remove the tq dip at 5500rpm. AFR still needs Little more work but it's basically done. The car makes right over 400whp on every pull now. |
How this translates to a real dyno? I remember you had it on a dyno once.
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Originally Posted by yossi126
(Post 1601307)
How this translates to a real dyno? I remember you had it on a dyno once.
if you do virtual dyno correctly it's very accurate. Before I went on the dynojet and made 373whp on the other setup VD said I was at 370whp/355ftlb. The dynojet said 373/352. So it's very very close. If I went and put it on the dyno again it should be within +-5whp |
Whats the timing map look like right now? Your power picked up quite significantly after 6500...
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Originally Posted by der_vierte
(Post 1601325)
Whats the timing map look like right now? Your power picked up quite significantly after 6500...
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Originally Posted by andyfloyd
(Post 1601388)
Its 20* at the top
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Originally Posted by Dr.Sep
(Post 1601410)
with no knock? 93 or ethanol blend? I'm det limited at around 18psi and 17deg up top, and something like a good 50whp down on ya
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That checks out, jealous you have something like that readily available by you. Hey, get off the computer and go finish the video on it... we the people are waiting :bigtu:
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Originally Posted by Dr.Sep
(Post 1601415)
That checks out, jealous you have something like that readily available by you. Hey, get off the computer and go finish the video on it... we the people are waiting :bigtu:
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Originally Posted by Dr.Sep
(Post 1601415)
That checks out, jealous you have something like that readily available by you. Hey, get off the computer and go finish the video on it... we the people are waiting :bigtu:
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Originally Posted by andyfloyd
(Post 1601423)
AutoZone carries it. It's 22 bucks a can and treats as whole tank. Not sure if you're in the US or not but if you are just get in the zone. 👏
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Originally Posted by Dr.Sep
(Post 1601453)
I usually throw some of the "Turbo 108 race fuel" as just a safety net, but I will see if any of the Zonies have the VP -- Rochester Ny is within those parameters :)
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Originally Posted by andyfloyd
(Post 1600705)
Turned up the boost on the Kraken setup tonight...
Red line is Kraken , Blue Line is FM. Kraken setup was dropping boost past 5000rpm and still made way more than the FM. Im debating going for that manifold to keep the upper rpms breathing but much lower boost level |
Originally Posted by waktaylor
(Post 1614331)
Andy, like watching your videos and the Kraken comparison. I wanna make sure Im read this right... when you swapped to the low mount you did you retune and made that much more power? I watched the video but beer erases much of my memory.
Im debating going for that manifold to keep the upper rpms breathing but much lower boost level |
Andy, Thanks for the clarification. I had assumed this, but A-B testing isn't always done cleanly. Watched your videos before i got really addicted to the NB.
Originally Posted by andyfloyd
(Post 1615682)
I did add more ignition timing on the kraken manifold. I was unable to add the timing with the FM manifold probably due to backpressure. Other than that its the same engine but yes the fact that I could add more timing made a gigantic difference .
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Just tuned a GTX2863R car, but with a fm log. Reminded me of this thread, and your car. Very happy with this turbo, and still think 400whp is nuts in a miata :likecat:
I ended up with right around 400 at 20psi at sea level. I genuinely wonder what the absolute limit of these things is, it seemed like it could easily make another 50-60. on E85 of course. |
Very healthy. And it's "only" a gen1.
Sometimes I'm nearly maxing out my 2,5bar map sensor with a gtx2860r gen2 when its cold and it rips for sure. Never put it on the dyno, but VD puts out a very nice powerband and 340whp at ~20psi on an NA8, 102 RON |
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