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Learning how to build Lotus Seven replicas...together!
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PostPosted: September 10, 2017, 12:53 pm 
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300D50 wrote:
The Borg Warner S4201 is good from 0-135 PSI.
0-5V output, 5V input.
They run about $25.00 from the auto parts store, and are fuel/oil rated. The connector is the same as GM TPS, and a Pico 5643PT pigtail will work.

Take the output voltage, subtract .5V, then multiply by 30, and you get PSI

Major savings over some of the aftermarket options.


Thanks! I wonder if I will need to do a conversion since hondata may do it.

http://www.hondata.com/help/smanager/in ... essure.htm

I have the S300 v1 though. Maybe it's time for an upgrade

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PostPosted: September 11, 2017, 2:12 pm 
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mjalaly wrote:
300D50 wrote:
The Borg Warner S4201 is good from 0-135 PSI.
0-5V output, 5V input.
They run about $25.00 from the auto parts store, and are fuel/oil rated. The connector is the same as GM TPS, and a Pico 5643PT pigtail will work.

Take the output voltage, subtract .5V, then multiply by 30, and you get PSI

Major savings over some of the aftermarket options.


Thanks! I wonder if I will need to do a conversion since hondata may do it.

http://www.hondata.com/help/smanager/in ... essure.htm

I have the S300 v1 though. Maybe it's time for an upgrade


not sure how hondata works but i use romraider. In the logger def file i can enter in any type of calculations and it will read out pressure.

Im using a 3 wire 0-5v 0-100psi sensor/transducer. Formula being psi=(v*25)-12.5. The sensor output goes to an unused tgv input to the stock ecu. you may be able to use a rear o2 sensor input or something

most 0-5v sensor have a .5v to 4.5v range. for a 135psi sensor, i would use formula psi=(v*33.75)-16.875


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PostPosted: September 11, 2017, 3:20 pm 
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Engine is out...


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PostPosted: September 12, 2017, 7:44 am 
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Image


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PostPosted: September 12, 2017, 8:22 am 
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Nice.

It takes a little over 1hr with my "help"


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PostPosted: September 12, 2017, 10:25 am 
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Cute. I have a daughter about her age too. I've been giving her some welding lessons. Made some stick figure people out of 1/2" round bar. Both got sun burned cheeks from watching through the loaner goggles.


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PostPosted: September 12, 2017, 3:27 pm 
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these threads make me sad. He turbo charged his stock engine with over 200k miles on it with the same turbo and he is making 393hp & 288tq to the wheels without issue....

https://honda-tech.com/forums/forced-in ... 958/page8/

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PostPosted: September 12, 2017, 3:41 pm 
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mjalaly wrote:
these threads make me sad. He turbo charged his stock engine with over 200k miles on it with the same turbo and he is making 393hp & 288tq to the wheels without issue....

https://honda-tech.com/forums/forced-in ... 958/page8/


Bearings will be gone soon and order will be restored


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PostPosted: September 12, 2017, 4:06 pm 
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Then again they always leave out crucial bits like the previous two engines they blew up.

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PostPosted: September 13, 2017, 3:48 pm 
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I see in your picture you have an ATI balancer. Edit: Ignore the rest. had a wrong understanding of the ATi damper until just very recently


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PostPosted: September 14, 2017, 12:05 pm 
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Gross.

The head has the same carbon deposits so I will need to clean that up. Seems like a lot for 500miles. Can it just be from the car running like garbage when the bearings were on their way out? Other wise the cams, cylinder walls etc all look good.


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PostPosted: September 14, 2017, 1:00 pm 
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could be rings not sealed yet, could be a rich break in tune, could be other things.500 miles to go through a set of rings (i meant bearings) sounds pretty bad. I wonder if you have a pickup tube air leak or something. I blew one up in 2k miles once, but it was on a slap together build in February with very cold start and beating on it too soon.


Last edited by terryjr on November 14, 2017, 5:14 pm, edited 1 time in total.

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PostPosted: November 14, 2017, 4:19 pm 
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new engine block came in and i started to build her up!

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just waiting on a few parts

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PostPosted: November 14, 2017, 4:25 pm 
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:yay:

Fingers crossed that everything goes well!

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PostPosted: November 14, 2017, 4:49 pm 
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Right!!!!

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