emac 9 Report post Posted October 29, 2013 love it! i am in awe of your patience n skills you have a very cooool car as that guy on little britain say " I want one" Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted October 30, 2013 Am also interested in seeing twisting power if that is available. Unfortunately the dyno didn't support that part of the graph for that day.. I was a bit gutted as I really wanted to know what was going on torque-wise. wow that is a clean conversion .looks like it should have been from the factory and that exhaust system is awesome . well done Cheers Dan, perhaps some inspiration for your track hack beast! The dual exhaust was the whole idea of the project funnily enough, I just wanted a sweet sounding V8 E36 and it evolved from there. love it! i am in awe of your patience n skills you have a very cooool car as that guy on little britain say " I want one" Cheers Edward.. I forget there's some skill here, I guess a lot of it has just come second nature to me... I wonder if there are ways to turn any of this into a profitable dollar? But then I'm reminded it's fun while its a hobby Most people ask if I'm a mechanic or that I should be one when I show them haha! Quote Share this post Link to post Share on other sites
jeffbebe 1559 Report post Posted October 30, 2013 Unfortunately the dyno didn't support that part of the graph for that day.. I was a bit gutted as I really wanted to know what was going on torque-wise. I meant to ask Robyn at TP about that, did you find out why? Quote Share this post Link to post Share on other sites
Palazzo 477 Report post Posted October 30, 2013 Something about having to tap into a different part of each car to get an accurate measure and too time consuming. Odd, because I saw a torque graph come up during my run, but first time at a dyno, so who knows? Quote Share this post Link to post Share on other sites
jeffbebe 1559 Report post Posted October 30, 2013 Yep, I noticed the torque graph onscreen... Should have taken a photo but I thought it would be on the printout. Quote Share this post Link to post Share on other sites
BreakMyWindow 1874 Report post Posted October 30, 2013 Probably too hard to convert each and every cars flywheel torque output based on gear ratios? To get the a more realistic flywheel output of torque you need to be in a 1:1 gear ratio to begin with, which i suspect none of us were as it would be spinning the dyno too quickly, and with several hours of that, it would probably cost TP alot more in dyno repairs than what we paid him? Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted October 30, 2013 I thought all the cars were run 1:1 on the dyno? I know mine was as i set it up to do that in 4th gear. Quote Share this post Link to post Share on other sites
turbolizard 38 Report post Posted October 30, 2013 Unfortunately the dyno didn't support that part of the graph for that day.. I was a bit gutted as I really wanted to know what was going on torque-wise. You can calculate the torque from your power curve, as you know the RPM. The power is just torque multiplied by speed (engine speed), so to calculate torque you need to take the power number and divide by engine speed. You need to have everything in SI units to make it work without conversion factors. Quote Share this post Link to post Share on other sites
E30-323ti 66 Report post Posted October 30, 2013 You can calculate the torque from your power curve, as you know the RPM. The power is just torque multiplied by speed (engine speed), so to calculate torque you need to take the power number and divide by engine speed. You need to have everything in SI units to make it work without conversion factors. Well there you go Michael. Crank the mad excel skilz and get us a nice power & torque graph whipped up for AM viewing at the office with the morning coffee Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted October 30, 2013 Ah yes I've read so. However I recall someone saying the RPM figures were slightly off on the day though? Quote Share this post Link to post Share on other sites
turbolizard 38 Report post Posted October 30, 2013 Well there you go Michael. Crank the mad excel skilz and get us a nice power & torque graph whipped up for AM viewing at the office with the morning coffee If you want to do it in Excel, you will want the power in Watts and rotational speed in radians /second. To get power in Watts => multiply kW by 1000. To get engine speed in rad/s => divide RPM by 60 and multiply by 2*pi. Formula for pi in Excel is PI(). For torque in Nm using kW and RPM the formula is Torque=Power/RPM*30000/PI() If you have 150kW at 6000rpm then the torque is 239Nm. Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted November 15, 2013 See top of page one original post for update, I took the E36 down the 1/4 mile finally! Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted February 1, 2014 Update top of original post - 1.2.14 Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted March 10, 2014 Update - 10.3.14 Finally been getting on with repairing the chassis subframe mounting point cracks appearing. Drilled out and welded up the cracks, and installed the M3 reinforcement plates. I also installed the RTA mounting reinforcements having noticed small cracks appearing in the forward weld. This is just after welding and trimming. Currently sealing the metal work up with various paints and body sealers. I also installed the rear sway bar reinforcement plates Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted March 10, 2014 Dumb question: do you have to remove the entire trailing arm to weld in the pocket reinforcements? Also, as a matter of interest, what brand reinforcements did you get? I've just ordered new poly RTAB's and have RallyRoad reinforcements... does it make sense to do both at the same time? Would you know anywhere in Auckland that could do both jobs at the same shop? Hey Dave, You don't have to, but I would recommend it personally, but I am sure its doable. Mine were OEM BMW ones for the subframe, pocket reinfrcements were from AKG Motorsport from USA, quite reasonably priced. I'd definitely do both at the same time, perhaps give Ray a call, I was going to get him to do some of this work but I decided to get it done in my own time slowly. 1 Quote Share this post Link to post Share on other sites
central3 31 Report post Posted March 10, 2014 Update - 10.3.14 Finally been getting on with repairing the chassis subframe mounting point cracks appearing. Drilled out and welded up the cracks, and installed the M3 reinforcement plates. I also installed the RTA mounting reinforcements having noticed small cracks appearing in the forward weld. This is just after welding and trimming. Currently sealing the metal work up with various paints and body sealers. I also installed the rear sway bar reinforcement plates Nice work. Are you doing this on a hoist? 1 Quote Share this post Link to post Share on other sites
Michael. 2313 Report post Posted March 10, 2014 Haha, I wish, just on jack stands unfortunately. Seems to work well though Quote Share this post Link to post Share on other sites
