madkaw
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Everything posted by madkaw
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So aren't max torque numbers always at 5300 rpm ?
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Look at my thread MS3 install - I was able to hide mine but you might not be able to
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Still think you are doing well with a stock cam and that's where it was designed to operate .
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Thread gauge would answer some of this pretty quickly. Brackets left loose so you can tighten once in position.
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So dyno tune not required with this ECU? I am not saying one is better than the other either, just asking
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I believe your wrong on the comparison , but I slept since I bought mine -lol. MS3 comes ready to plug in smart coils , so no opening the box to solder in anything . Also had built in map sensor soldered in. MS3 357 board is machine soldered- less chance of issues. MS3 has larger tables for tuning , etc... I think you are understating things. I still believe you should swap out the head and bump compression and get a much bigger cam if you are going with a programmable ECU. Why spend all the ECU money and not do the single most important thing to these motors by waking them up with a cam. Hell, I could have gone with an even bigger cam than my Isky- this engine is perfect for the street .
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So sounds like you have dedicated 1300$ towards EFI- 700$ left for ? You budget might be tight to have a dual purpose machine. No head work- no real power for racing .
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Well time to play VALVE timing I guess
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No porting - just cleaned up runners around screw bosses EFI kit z car depot 1300$ MS3 with harness - 800$ Fuel rail - 150$ New injectors - 225$ 4 bbl intake -$? Cam regrind and springs $ You need to write it all out and crunch the numbers .
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Spending money on a different intake and TB is money you could be spending somewhere else. I'm running a 490/290 cam with my N42 just fine and I bet I get 30 mpg on the highway MPG. You are asking about a car you can drive to the track and back home then its all about tuning and YES-head work .
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Okay-so IGNiTION advance
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Not sure I agree that the intake is the weak point in the power equation. Also not sure a cam is a waste of time on the intake. As I have posted on my thread that power wise I can not tell the difference between the triple 40's I was running and my N42. Granted I was only running 32 chokes on the 40's, I believe with the proper tuning abilities you can probably get your dual purpose engine. There isn't a lot of guys actually doing hot NA EFI engines on here with aftermarket ECU. Most cases its a turbo version, so not a lot to compare to.
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If you read Racer Brown he was all about advancing the intake closing to make the magic happen. I'd like to go a couple more degrees but unsure how now that I've run out of adjustment without actually going a tooth ;-O Kirkster-I guess you meant he kept putting in cam advance? or ?
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With a stock cam arent you close to the limits of moving the curve. You could get an adjustable cam sprocket and start retarding the cam timing to see where that takes you.
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I'd budget in Megasquirt for sure and do fuel AND ignition . Regrind your cam- go big Find a mn47 head and get bigger seats put in and swap over intake valves from your head. Clean up short side radius and be done with head Pallnet fuel rail and run high impedance injectors Don't touch the bottom end - but you can look at with the head off and say- 'looks good' Clean up that engine compartment Put a header on later if you want noise Gearing makes for fun
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Well I don't know that yet. Still dismantling .
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Looking for help to identify what I got here. What I do know is: P30 block Pistons measure almost 86mm at skirts 9mm rods E31 head shaved approx .035 - so guessing 39cc chambers , 44&35mm valves Look at the pics and tell me what you see . I will update as I finish tearing it down
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I considered the coupler idea also - to get the TB in a reasonable placement for linkage and hood clearance . Fuel rail will be tight. I might just use n47 intake flange and adapt it
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Runners are 35mm and TB could be whatever
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On the list
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https://www.rhdjapan.com/oer-racing-sports-injection-kit-standard-type-45mm-l20-l24-l26-l28.html I'm saving for these
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I'll let you know if the nylon experiences meltdown -lol
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Went for a drive and when I got home I did a heat check. Though I could keep my hand on the intake very long, I could grab my IAT sensor and it was just warm. So I think the reducer did its job, so now on to a heat shield
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Get a custom intake with a bigger plenum and runners !!! Running a n42 now on my little L24, but building a bigger plenum . Can't get very big with N42, not enough meat there
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Impressive especially NA with a nearly stock induction. Who says you can't get any power from a N42 intake. You could only get maybe 32mm runner ID?
