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400 HP Engine Build - Input Needed

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Old Jan 21, 2023 | 09:45 PM
  #451  
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Originally Posted by FordTruckNoob
I’m FTN abd I approve this notion. Go with the new T6 version with the HD actuator.
I'd mostly use it to have a wider powerband vs going for big power. Not near masochistic enough for the latter.
 
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Old Jan 21, 2023 | 09:56 PM
  #452  
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Originally Posted by PriusLover
I'd mostly use it to have a wider powerband vs going for big power. Not near masochistic enough for the latter.
Understood but based on my experience, you really really want the HD actuator.
 
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Old Jan 21, 2023 | 09:58 PM
  #453  
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Is the three stage mechanical not the same thing?
 
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Old Jan 22, 2023 | 08:39 AM
  #454  
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363/68 with a .83 housing would probably be a good fit.
 
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Old Jan 22, 2023 | 09:04 AM
  #455  
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Originally Posted by brokestroke
363/68 with a .83 housing would probably be a good fit.
hot tune and 205/30 would likely overspeed it
 
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Old Jan 22, 2023 | 11:39 AM
  #456  
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Originally Posted by ESwift
hot tune and 205/30 would likely overspeed it
Perhaps if you were racing but should have no problem towing. I dont recall if PriusLover has a built transmission or not.
 
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Old Jan 22, 2023 | 11:57 AM
  #457  
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Originally Posted by brokestroke
Perhaps if you were racing but should have no problem towing. I dont recall if PriusLover has a built transmission or not.
I believe a wyse stage 2?

I would think the .83 gated housing may be a good option, it would help keep stuff in check, though the .91 prius already has is a great match
 
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Old Jan 22, 2023 | 01:06 PM
  #458  
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Originally Posted by ESwift
I believe a wyse stage 2?

I would think the .83 gated housing may be a good option, it would help keep stuff in check, though the .91 prius already has is a great match
Transmission is on the to do list. Probably later this year. There a local builder who has a decent price and a good rep that we decided to go with.

The 0.91 I already have is also ceramic coated too. When I bought it I figured the 0.91 would be a better match the 180/30s. There a gated 0.83 housing of choice?
 
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Old Jan 22, 2023 | 01:42 PM
  #459  
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Are you going to get that project finished before they ban the sale of #2 oil?
 
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Old Jan 23, 2023 | 02:44 AM
  #460  
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Lol glad I mic'ed these up because half the intake valves were out of spec in terms of stem diameter
 
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Old Jan 23, 2023 | 08:10 AM
  #461  
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-.0007 from nominal? What is the spec?
 
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Old Jan 23, 2023 | 08:12 AM
  #462  
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Originally Posted by Walleye Hunter
Are you going to get that project finished before they ban the sale of #2 oil?

That's what worries me. I didn't figure I'd see it in my lifetime but I have gotten to the point where I fear that a rig or two sitting in my driveway may be on its last tank of fuel.
 
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Old Jan 23, 2023 | 08:32 AM
  #463  
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Originally Posted by cleatus12r
That's what worries me. I didn't figure I'd see it in my lifetime but I have gotten to the point where I fear that a rig or two sitting in my driveway may be on its last tank of fuel.
There always soybean squeezin's...
 
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Old Jan 23, 2023 | 08:55 AM
  #464  
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Originally Posted by Dan V
There always soybean squeezin's...
Hand pressed Acorn oil when things get real desperate.
 
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Old Jan 23, 2023 | 10:13 AM
  #465  
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Originally Posted by PriusLover
Appreciate the link. Unfortunately they're out and likely to not see any for a while.


Reading this made me dig up this graph from @Peixinho I've saved away



The green line is pretty similar in many respects to this build in terms of injector size and turbo. Peak torque exceeds 1000ft-lb and does so at ~2060 RPM. I think billet rods are probably a cheap insurance given this high torque at low RPM situation, especially if I want this build to endure for like 5-10 years. Anyone have input on this?

I just wanted to point out those tests were done on a MAX EFFORT tune. Unless you are towing/daily driving on a heavy race tune then you won't see those numbers on that combo. I don't have the exact numbers handy but this will give you a general idea.

With 205/30
5.6ms 470-500hp (most tuners don't write that hot of tunes... but we wanted max effort)
4.8ms 450-470hp
4.2ms 420-450hp (what most tuners use as a race tune)
3.6ms 380-410 (hot tow tune)

With that said... 205/80 produce drastically different results, basically a lot more HP at lower tune.
4.2 470-500hp
3.6 450-470hp
3.0 420-450hp



I can't remember all the tq numbers... but just wanted to throw out how much PW will affect those numbers
 
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