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| Thermonuclear Skeet ![]() Join Date: Jul 2008 Location: Triad N.C.
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__________________ El Fantasmo Del Negro Helicopter Cat LIVES ![]() |
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wot the motor is fine, but part throttle it blows.... so 100whp part throttle pulls are blowing this "weak" motor? is that seriously the best you can come up with? loosh... you dont even have the first fucking clue what your talking about dude. this motor kicks ass wot where most motors would break up if they were "weak". motors that blow part throttle have nothing to so with being weak. they have to do with being abused. tuning blows motors part throttle. now the car not making power... thats a design issue, and a fuel issue. but thats a whole nother disussion. | |
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![]() | | #83 | ![]() |
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| Not Ranked : 0 score ^ Funny thing is it was only a couple months ago Loosh was talkin about how he was way ahead of everybody using a diode to run richer afr at cruising/ part throttle cuz it was safer...um isn't that "tuning" part throttle??? At this point I think we've all at least figured out what the part throttle issues are, and seem to be a lot of people running a LOT safeer now. Making big power is a whole other story, as Pale said, and I firmly believe DCR has got that shit down too... |
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![]() | | #84 | ![]() |
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| Not Ranked : 0 score Too many people are trying to narrow the problem down to one thing... It is clearly a tuning issue, but it's not just fuel and it's not just timing. Before I go any farther let me say this - I know the AP 'dyno' isn't accurate but it has been consistent so I still use it for comparison from one run to another - which is really the only way you should use ANY dyno run With my intake and TMIC on a stage 1 map, I made around 320 awtq. Since that I've added a few more mods and upgraded to a stage 2+ 91 map, and I just made 416 awtq @3300 rpm a couple days ago. I think the biggest issue is ignition timing. At cruise, there isn't much air or fuel in the cylinder so it can be ignited early, causing a pressure peak closer to TDC, but that pressure still isn't significant. With mods letting your car breath better, as soon as you step on the gas there is more air and fuel entering the cylinder. I think the combustion of the mixture too close to or before TDC is what causes engine failures. Since there is no moment arm to convert the force from the explosion into torque, all of the force acts on the rod and piston and BOOM. The thing I'm not so sure about it whether this combustion is caused by an early spark or by pressure and heat. Adding fuel should help keep heat from killing your engine, and backing off timing should help keep your engine from killing itself. I've pulled back my timing at low rpm mainly at low loads, added fuel everywhere, lowered the closed loop exit delay, lowered the boost targets up to 3000rpm, recalibrated my MAF table, and probably more that I'm forgetting. I still plan to build an engine down the road, but I feel reasonably confident that my engine is safe making '416awtq' with my current tuning. Try to run a csrt engine with our tuning tables and I can almost guarantee it won't get anywhere close to a true 500lbft
__________________ 2006 MS6 GT - Built engine, twin scroll GT3076R, dual MV-S wastegates dumped to atmosphere, TR1035 FMIC, too many parts to list... ![]() 2009 MS3 GT - Built engine, JBR intake/TIP and short shifter, all engine mounts, Autotech HPFP internals, ETS TMIC, Custom AP tune, Pauter rods, CP pistons, and 6-puck ACT clutch -GTX2867R Coming Soon |
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![]() | | #85 | ![]() |
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![]() | | #86 | ![]() |
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| Not Ranked : 0 score The way I see it, you can narrow down all the theories into 3 categories - oil getting into the cylinders, tuning issues, or weak internals. IMO weak internals has been ruled out, and oil in the cylinders (or in the turbo) is most likely a result of the engine blowing due to tuning issues, not the initial cause.
__________________ 2006 MS6 GT - Built engine, twin scroll GT3076R, dual MV-S wastegates dumped to atmosphere, TR1035 FMIC, too many parts to list... ![]() 2009 MS3 GT - Built engine, JBR intake/TIP and short shifter, all engine mounts, Autotech HPFP internals, ETS TMIC, Custom AP tune, Pauter rods, CP pistons, and 6-puck ACT clutch -GTX2867R Coming Soon |
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| Not Ranked : 0 score if this motor is so strong and DCR has so much faith in it, why are they building it up? why not try to max out the stock block first? blow it up, inspect it, rebuild, repeat. i thought that was the original idea? i mean if they want to shoot for a 9 or 8 sec speed3, thats great. but i believe alot of people were thinking more along the lines of maybe mid to low 12s without breaking the bank or the block. and if they have the answer to the engine failing, why arent we hearing it from them?
__________________ Formerly: TG 06 MS6- CAI, TMIC, TBE Currently: RR 08 Evo X- SRI, UICP, TP, CBE, Tune |
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| Banned ![]() Join Date: Feb 2009 Location: Inland Empire
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| Not Ranked : 0 score cuz they are using paleriders pos ms3 more than likely, which already has a blown motor or something similar lol. no pun intended |
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__________________ 2006 Mazdaspeed 6 / 386awhp/376awtq (Aug 2008) 2008 Caliber SRT4 / 11.8 @ 120 | |
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| Not Ranked : 0 score well even if some of this is true.....looks like i really need to figure out how to use ATR........any one want to make an easy how to??? |
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__________________ 2006 Mazdaspeed 6 / 386awhp/376awtq (Aug 2008) 2008 Caliber SRT4 / 11.8 @ 120 |
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![]() | | #93 | ![]() |
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| Not Ranked : 0 score if you are gonna post in here and just vomit the same shit im gonna start deleting it. there comes a time where enough is enough.... and there are guys who own speeds who still care. motors that blow partial throttle only are not weak. lack of fuel maybe. too much timing maybe. simple design flaw maybe. guys mod their cars, add 100whp, dont tune them partial throttle, and then they blow partial throttle.... racing the motor is fine... but dont baby it. whats a weak motor have to do with it? nothing. |
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they are a speed shop. they make their money on 400-700whp builds on other cars and it will be the same here. the issues with the stock motor are quite frankly not much of a concern. they arent challenged by it. the motor is capable of 350whp all day long with the right tune. that DOESNT mean that they are gonna stake their reputation on a much of guys pushing the edge. they could care less about all that. Last edited by phailerider; 07-22-2009 at 08:52 PM. | ||
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![]() | | #96 | ![]() |
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what the fuck do you think your telling me? only a noob who doesnt have the first clue about the inside of a motor would look at ours blow partial throttle and say the cause is that its "weak". | |
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![]() | | #97 | ![]() |
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| Not Ranked : 0 score but if the motor is so strong, as strong or stronger then a srt4 caliber that take 530 lbs of tq and runs mids 11s ont he stock block....why not proove that. No faith in this strong motor? They could make money selling their fuel solutions/ex/in manifolds/tuning solutions/maps. Theres a reason why hes skipping the stock motor....its because theres no point as it will blow. |
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| Not Ranked : 0 score wtf do u think your telling me? that the ms3 is the ONLY car tuned to the edge of emissions/ect....newflash, every new car runs this way. Whatst he af ratio part throttle on ure tuned vdub? yes tuned, im betting its still 14s. Hows the timing? Did you even check this? |
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![]() | | #99 | ![]() |
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the flaw is direct injection and the maps they use to tune it. end of story. its why the high end lexus motors use port injection for partial throttle. the direct injection, tuned to the edge, leaves massive holes in the calibrations, imo. it has nothing to do with weakness. | |
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![]() | | #100 | ![]() |
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the right maps on the bt 2871, and 3071 setups from apr, and giac, can make 360-370whp all day long with meth up top. nobody says the motor is "weak". they says the tune is shit... and direct injection makes it tougher to get right. its taken years of apr tuning to feel good about making that much power safely. go fucking give the gti owners shit for not making 400whp safely. they'll tell you your crazy. every car is different and ours is no different. the days of big power on the stock block is long gone on ANY car, if its direct injection only your going to rely on. the same power in our cylinders would bend yours too. although i think its unfasir to compare us to bimmers. i think its obvious your rods are gonna be stronger than ours, or the vdubs considering who built it and what you paid to get into it. | |
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![]() | | #101 | ![]() |
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![]() | | #102 | ![]() |
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As for the bimmers, i doubt our rods are stronger, instead we have 6 instead of 4. | |
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if the caliber was blowing partial throttle do you think darrell would still rely on a piggy uncapable of tuning it? do you think he would curse the motor as "weak"....if he could track it safely at 500whp, but it blew driving to track pt everytime? hed blame tuning chris. dont tell me about the caliber. its port injected and tuned completely differently than our cars. and dont tell me you know more than anybody whose ever studied engine internals... dcr has nothing to do with this. to dcr its common sense. Last edited by phailerider; 07-22-2009 at 09:57 PM. | |
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whats speedshon using for tuning with hit bt and 125 of nitrous? | |
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![]() | | #105 | ![]() |
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why would you give them the time of day either right? ive studied the design philosophy of the motor for hours and it is part of why i believe what i do. they added it for partial throttle fueling, to make the "perfect" motor. direct injection created flaws in the partial throttle maps. they have stated this specifically ion their discussions about it. | |
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![]() | | #107 | ![]() |
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__________________ 1994 Mazda RX7 - 20b-rew - S480sx - Injector Dynamics - Xcessive Manufacturing - Full Function Engineering - Haltech Elite 2500 |
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and now your mocking me for "hanging around dcr" and getting wild ideas. youd like me to listen more to you? are you fucking kidding me? youve messed around with a couple cars... but youve never torn a motor down. you dont have the first fucking clue about jack shit other than boltons, and a lttile street tuning. get over yourself man. you are a smart guy, and you learn fast..... just like me. hanging around somebody that had actually done some of the things you bitterly speculate about might change your mind. ive seen you learn to much, and change your mind to much when you actually experineced things first hand to take much stock from you in this conversation. its hard to discuss motors with a guy whose only ever seen them from the outside. stick to your bimmer and your boltons, your piggy tunes.... leave the the other stuff to darrell and the guys he "hangs around with". | |
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| Not Ranked : 0 score how is that a contradiction? The car makes power when you change boost. No1 blew one yet cause of power and the current high number is 538 or something on pos reworked stock turbo. Its a inline 6 3 liter, not i4 2.3 liter, no shit each rod is not going to see the same stress. |
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the begining of my dsm daily driver motor swap done on jack stands. the old motor threw the timing belt, i tore it down. Bent valves, fucked up pistons. Took the block completly apart and sold watever parts i could. your telling me what ive done, this coming from a guy who blow how many motors and couldnt even figure out a standback. Leave the big boy work for the people you pay. Asnwer my questions, why is di bad for pt. This has nothing to do with DCR, your promises and speculation of unproven theories are just straight up bullshit and its getting just as annoying as me saying this motor is weak. Self proclaimed best thing to mazda community....shit old, im out. | |
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| Not Ranked : 0 score your comment "ill show you 10 over 400whp for every 1 blown you show me" remember chris that you have 2 extra cylinders and an extra turbo. We're struggling to get to 100whp/cyl, shouldnt you be showing me 10 600whp 135/335s to make a valid point? how about you compare apples to apples, you have a twin turbo v6. hell that should be childs play to make 400whp. conquer a real challenge before you bang your chest...
__________________ 1994 Mazda RX7 - 20b-rew - S480sx - Injector Dynamics - Xcessive Manufacturing - Full Function Engineering - Haltech Elite 2500 |
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well to me it seems pretty apparent like i said before. DCR will be able to do great things for you if youre willing to part with a whole lot of cash. for those of us stuck in the middle, we're shit out of luck. basically here are the options: 1. buy an MS3/6, leave it stock, slight chance of blowing it, run high 13s low 14s 2. bolt on a few things, good chance of blowing it, run mid to low 13s 3. add a few more things, run high 12's, put your name on Darksun's list 4. buy $15k worth of stuff from DCR and run 9's safely i can't really get excited about that.
__________________ Formerly: TG 06 MS6- CAI, TMIC, TBE Currently: RR 08 Evo X- SRI, UICP, TP, CBE, Tune | |
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too bad those idiots didnt listen to laloosh and just build the motor "stronger". instead they stuck to building a POS "weak" engine and adding an additional fuel system so it would perform properly. chris... do you really think you are the only guy on the planet who has all the answers or do you just act that way most of the time? this discussion is so far ahead of your realm of knowledge that it isnt even funny or amusing anymore. bottom line is direct injection has holes..... companys use it, and tune for it, for its advantages and they ignore the holes. it has NOTHING to do with weak motors... weak rods. this motors internals stacks up right with the calibers and srts. ive seen to many come down, and heard too much of the discussion of ours side by side. this is a tuning issue and a fuel issue. and that is a fact. you proved it. ron proved it. you logged a shitton of miles driving a certain way, adding fuel with the diode, monitoring knock like crazy.... the motor could have taken even more up top than you gave it. in the end it still might have blown... but it wouldnt have been because it was "weak". | |
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Randy my motor made a whole 346whp, and it didnt blow because it made a whole 32x wtq. Tq blows motor, not whp. We dont have the breathing to make power up top, so they blow down low where we have tq. aka a weak motor not only in the rods department, but in the ability to carry out power. | |
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| Not Ranked : 0 score so your turbos are stuck at 540. (90whp/cyl) our fueling is stuck at 350. (87.5whp/cyl) your not that far off, you've got 2 extra injectors worth of fuel. what happens if someone throws a huge turbo on it and finds out no matter how big they go they only make 550whp?
__________________ 1994 Mazda RX7 - 20b-rew - S480sx - Injector Dynamics - Xcessive Manufacturing - Full Function Engineering - Haltech Elite 2500 |
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| The Following User Says Thank You to socks For This Useful Post: | 802MS3 (07-23-2009) |
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| Not Ranked : 0 score they're out of fuel at 540, and even before that. Comparing engines based on cylinder and displacement is like comparing performance cars based on price. I can make a notch run 9s for alot less then i can make a bimmer or mazda run 9s. Who cares about how much power per cylinder the bmw makes compared to a mazda. |
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I know guys that ran 25psi and close to 400whp out of 1.6 and 1.8 litre engines with cast rods for 10k miles. Yes, they eventually blew, but so will the caliber that's making 500+whp on the stock block. Any motor making that much power will need more frequent rebuilds. However, the development of these people trickles down to the masses and helps everyone. And their success stories, resonate with the community and all of a sudden the platform has a different image. Hang in there, a better middle ground will be found and it will be a combination of better understanding, better tuning, and better parts. | |
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