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Thread: Jaffaz32's Boosted Stroker Build

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    Quote Originally Posted by Pride View Post
    This is certainly no ordinary upgrade, it appears you've done a lot research into every single possiblity of mechanical weak spots and failures, very impressive jaffaz32, 
    It would also be very interesting to know how much each part costs if that's ok with you???

    When do you hope to get her on the road, I bet you're feeling both very excited and a little apprehensive all at the same time.

    Please keep the info and progress coming as I'm sure there's a lot of us on here who are looking forward to your next posting.
    Thanks .

    I will keep the info coming and updates coming, the end results should be very interesting.

    I've took a different approach, i've not spec'd the engine to ran X amount of power. I thought it would be best to way over spec the motor so the power i want to run is well within the capability of the motor. I learnt the hard way on a previous car, squeezing every bit of power out of an motor. I'm not chasing numbers, i just want some fast, different yet reliable and strong.

    I'm not sure how much the parts have come to, i don't dare check lol.

    I spent months researching all the options and parts before making any decisions.

    Yes, i'm very excited but to be honest a little anxious/nervous. I'm looking forward to getting a good nights sleep

    I was originally hoping it was going to be complete couple month back but we had a hold up with external suppliers (engine shop) and then a couple of times parts, being limited UK stock we have a wait each time for a couple of weeks. Johnny @ Tegiwa has been a great help.
    Last edited by jaffaz32; 03-10-2016 at 02:22 PM.

  2. #22

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    Quote Originally Posted by jaffaz32 View Post

    Power Enterprise timing belt, just a stronger belt that oem.

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    Just as a data point, my engine makes a kind of whining noise when it has warmed up ever since I had Comptech adjustable cam gears and a Power Enterprise Super Kevlar II timing belt installed. I heard the engine makes that sound when the belt is too tight so I readjusted the tension myself, trying to be as accurate as possible. It didn't make a difference. Next time I replace the timing belt, I'm going to use an OEM belt again and hope that gets rid of the whine when the engine is warm.

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    ACL big end bearings, we are using Honda main bearings.

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    Science of Speed Lost Motion Assembly (LMA) upgrade kit, these were upgraded by Honda in later Nsx's as the original design caused the tappy sound coming from the heads.

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    Darton Sleeves, when building a motor for Forced induction there is only so far you can go power wise regardless of what you have replaced pistons, rods etc. Sleeves are required to take you to the next level and Darton's are considered to be the best in the game by many. Basically they machine the block to install these, i believe there is a heating and freezing process involved and then the pistons sits within these sleeves.

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    Again, i'm not chasing the number game. I've learnt the hard way on previous cars and it gets very expensive and doesn't always result in a faster car, there is a point where you can have too much power. The motor is being way over spec'd to last and for reliability.

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    Quote Originally Posted by greenberet View Post
    Just as a data point, my engine makes a kind of whining noise when it has warmed up ever since I had Comptech adjustable cam gears and a Power Enterprise Super Kevlar II timing belt installed. I heard the engine makes that sound when the belt is too tight so I readjusted the tension myself, trying to be as accurate as possible. It didn't make a difference. Next time I replace the timing belt, I'm going to use an OEM belt again and hope that gets rid of the whine when the engine is warm.
    that's good input, i will let you know if i experience the same sound.

    Maybe that's a sign to supercharge it

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    I often get asked what engine management i am running, On 1991-1994 you could replace the factory ecu with an AEM EMS Series 1/2 however anything after 1994 you had to piggyback which means you have two ecu's the factory and then an aftermarket ecu which works with the factory unit. The reason for this is because in 1995 the throttle body changed from cable to dbw which means it's electronic. This is nothing new but the Nsx DBW throttle body had a stepper motor which means it didn't have a plus and minus input on the wiring it required about 6 wires. This caused an issue with aftermarket ecu's and the reason why you piggybacked was because the factory unit controlled the throttle body and possibly traction control while everything else was controlled by the aftermarket ecu.

    How did they get round this? replacing the factory throttle body but by the time this kit came in production technology had moved on, we now had much more advanced ecu's.

    The major advantage replacing the ECU is all the safety benefits, I have sensors for all the key parts, oil pressure, oil temp, coolant temp, knock, fuel pressure etc etc. With this ecu you set safety parameters (safe zones) for each sensor. If one of these sensors reads anything outside the safety range, it restricts the revs effectively saving your engine from potential damage or even complete failure.

    This is the LoveFab AEM Infinity kit which includes AEM Infinity, Wiring harness and Throttle body which is huge.

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    The advantage of this kit means you get to replace the factory throttle body with another that has a much larger opening and faster motor. Maybe i'm just a hobbit, who knows haha.

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    This is a AEM AQ1 which is basically a data logger for when you are on track, ever browsed Youtube and saw the video's while on track with the speedo, revs, other data and a gps indication of where you are around the track? Well that's what this does. It takes all the data and allows you to overlay it on a video. i've not really worked out how to use it properly yet, my first attempt was awful and a lot of room for improvement lol.

    Being also AEM same as the ECU they talk together so you can read all the sensors and data from the ECU. This is optional and i think i was the only one to ask Cody about doing this.

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    Last edited by jaffaz32; 06-10-2016 at 02:36 PM.

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    Cody @ LoveFab sells his kit as DIY but most people overlook the ecu and the tune, it is one of the most important parts of any build, you can have the best spec motor but if the tune is not up to scratch, bang.

    I wanted to make sure the tune was 100% so who else to tune your pride and tune, Cody himself. I just want to clarify, anyone could have installed the kit, as advertised it was easy infact i helped him install it. I just wanted to make sure the tuning was spot on. Cody has probably tuned more boosted Nsx's than any other single person in the entire world.

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    I doubt i will fly him out to tune it with the new motor, i don't think there is any need because i will get the car tuned by TDI @ Lakeside and they will be tweaking Cody's original tune. Afterwards i will send Cody some logs and the Tune to check over.

    Advanced Ecu's have allot of settings, these are now all pre set for the Nsx as AEM ECU's are car generic allow them to be installed on any car.

    Oh and the other guy in the pics isn't me, that's Clive Ottowe who owns a garage with Dyno in Norwich.
    Last edited by jaffaz32; 06-10-2016 at 02:32 PM.

  8. #28

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    Fascinating blog. I have a SoS LMA fitted and it is still very "tappy" compared with the Honda upgrade.
    1996 NSX-T Auto
    1933 Talbot 105
    2011 Nissan Cube Rider






    There are two types of people. Those who extrapolate from incomplete data.

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    Quote Originally Posted by thelimpingwhippet View Post
    Fascinating blog. I have a SoS LMA fitted and it is still very "tappy" compared with the Honda upgrade.

    Really is that so? That's interesting.

    There is some adjustments to be made in the heads, have you had these checked and dialed in?

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    If you have a aftermarket ecu with lots of additional sensors and would like to be able to monitor all of the sensors on a screen GaugeArt will allow you to do this without the need for 100's of physical gauges.

    It works with AEM EMS, Aem Infinity and Haltech. Apparently also now supports OBD2 cars in general so assuming it may work on a 1997+

    It connects directly to the ECU or obd2 i would imagine the diagnostic port.

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    Honda made a genuine navigation pod for the Nsx. I have used this to mount a screen with a constant feed to the Gauge Art. Alternatively you can connect it to some double din head units which i think mine would allow but i rather keep the gauge art separate, always in vision and on.

    I need to find a better pic.

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    With Gauge Art you use software to design the layout via an computer, you can show as much or little information as you wish from the ecu.

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    Last edited by jaffaz32; 11-10-2016 at 03:58 PM.

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