Which diff on 2.8 engine? ... |
It's all personal preference. I was running a 410 medium case LSD on built M50 2.8. First was basically useless. It needs a 6spd swap for highways but around town fun. I didn't even mind highway. I don't drive fast just quick if that makes sense. But yes the 2.8 will have enough torque for that. I'd find a 2.93. As for displacements there are many differences between a stock m52 and S52. |
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I have a m52 swap with a 3.46 diff and I daily it, drive roughly ~60 miles a day on it and have no problem - that is with LA traffic. Well actually, it does suck sometimes, but I have done it for years and so far I am managing. I don't know where you get a 2.7 from but to get to 45MPH in first you will need to hit 7k rpm That is with a 2.7. Like ZEK said you could go with 2.93 but honestly I wouldn't go lower. Stock 328is/328i came with a 2.93 and people switch them out for the M3 3.23 all the time (for coupe/sedan e36). The 2.8 z3 coupe and roadster came stock with a 3.15. If you really want to go with a 2.7 (maybe from a e30 eta?) or something super low geared like that I would personally go with a the 3.2 (s52) or might as well try LS1 then. lol :tongue: |
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. . . . . . . . Okay I can't help it I gotta say something. Your comment about the LS1 completely missed the point. Your first post you mentioned about reaching 45MPH in 1st gear. That is all the 3.2l (S52) then LS1 comment pointed toward, the "500lb hunk of **** that produces 47hp per litre and gets 8mpg" is a completely pointless comment. Long gears usually mean you have more torque to keep the car going at lower rpms since you will be in those lower rpms more often - thus the 3.2 (s52) or LS1 - comment - 3.2 - obviously more torque. LS1 was tongue in cheek for reaching 45MPH in 1st gear. 47hp per litre - LS1 can easily produce very good numbers N/A, also higher hp per litre usually means higher rpms = shorter gears = not what your looking for. Besides the 2.8l m52 also isn't known for hp per litre.. 8mpg - look at the e36 guys that have swapped the LS1, get anywhere from 12mpg - 24mpg or even higher depending on mods/rear end ratio/ wheels & tires etc. 500lb - go take a look at how much a iron block m52 weighs .. . its not exactly light weight, also if you compare displacement and power output for its weight LS1 will destroy the m52. Done ranting sorry! |
V8 is also not as long so the weight stays roughly aft of the front axle. There are other GM LS engines that are aluminium block and plenty of aluminum heads. They are not bad engines and with a proper 6 speed can be fun. That being said an older LT1 engine is a boat anchor but it too could be tuned to make more hp, the run of the mill was so detuned it was silly. |
If you're doing a "budget" minded build then go for M52. 2.93 for highway driving if you're in a 5speed. Also your LS1 comment is hilarious and wrong. Anassa you basically summed it up. While it's not everyone's cup of tea the facts are facts and it is an amazing platform. |
2.79 from what car? An E30 sure it will move it but you will find yourself doing more shifts. The m52 powered E38 728i and as you know here in the US the 328i came with it and a 2.93 open differential. You seem to be angry because your thread got off track. We could say lighten up francis but that might make you more angry. |
Endat you are of course completely entitled to your opinion. Not everyone likes the LS platform but we can't ignore the facts about it. Any 6 will make the Ti more front biased. Suspension will need to be changed. I put budget in quotes as it appears you don't want to sink a lot money into a 270K rusted body. Makes sense. Do you want the low RPM for purely fuel or noise? The 6s will achieve good mileage even around 4K. You might want to look for different cams on the 6s that will produce low end torque. Headers will change that as well. E30-M3 The 2.79 came in the 325e. I've only ever seen LSD's for sale. Side note - We're all enthusiasts here and we have no way to know everyone's personal preferences through the Internet. We're giving you an answer and other options that you may not know about. |
Exciting!! Some drama! :biggrin: Thank you for taking the time to type out that long response along with colors, bold emphasis etc. Seriously, not many people put that much effort into a post. :smile: I took the time to read everything you wrote so I hope you can do the same for me! If not . . . well it happens, its the internet. :tongue: Quote:
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Now we are REALLY getting off topic. But as mentioned before the LS1 comment was PURELY due to TORQUE! NOT horsepower! Sorry I felt that needed emphasis. You really need torque to drive long gearing like your asking, not high hp per liter!! This distinction is very important! HP per liter is not really a common standard used when talking about HP with m52/s52 just because it was not made to be a high reving engine - which usually has good hp per liter, like the Honda B16b (1.6l with 185hp) B18c (1.8l 195hp) or F20C (2.0l 240hp) engines, those are brilliant little engines. But then they also have short gearing to make up for lack of torque, and all that shifting is exactly what your not looking for. The m44 stock 318ti engine feels "peppy" partly due to its shorter gearing. Quote:
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If you can source a m52 from a z3 it has a aluminum block! I am hoping to eventually maybe go that route. But you will have to be careful about the aluminum block getting too hot, from other peoples experience they like to warp. Or you can use the M52tu/m54 from e46 which also has a aluminum block. It will definitely help with keeping the front from getting too heavy. Hmm sounds like a local issue about the whole truck thing. Quote:
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Phew, that took a while, at least its Saturday morning so its nice to relax a bit! I hope this has been helpful for someone! |
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Now why less people post here is the car is becoming less and less common and forums seem to be a dying format much like LP gave way to cd's and then mp3 and then streaming. Yes we are all enthusiasts so when some one gets angry over somebody elses opinion its no need of blowing up most of us here are over the age of 21. |
...You know what you could do. Reduce weight, strip that interio.....Oh shoot, already mentioned. (J/K!) What about a good gear speed calculator? Can fine tune to your needs. http://www.endtuning.com/gearratios/ |
That's a great gear chart. |
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My anger was multiplied by the death of my father which occured the day before anassa decided to turn my thread into a circus. The rest of you are a decent lot, but I've decided to stay off the forums and not ask feedback from possible antagonists. Opting instead for quietly doing actual research. Furthermore, since my posts about brake overhauls and headlight cleaning with lots of pictures aren't really much value anyway, I've deleted them all, along with my more trivial posts. Only this one remains, to tell you what's going on with me. Now for the car... The Car's Fate? I will go the long-term, and relatively expensive route to upgrade and maintain the original M44 4cyl until it needs rebuilt. It has an iron block and a few improvement options to experiment with as time goes by. My options, in order of progression, can begin whenever I find the motivation:
Long Term? Once the chassis is beaten to death and can no longer handle its own heart, I can remove the bilstein coilovers along with the engine and wrap it up for later use. Then leave its body to the vultures who will ask to buy the good bits for next to nothing. Once it's nothing more than a shell, I have to quarter it with a sawzall and haul to the scrap yard in pieces for $86 probably. |
Hey man, Sorry to hear about your loss, that really does suck, I wish the best for you and your family. Also its too bad you deleted your posts, as they could of been helpful for other people in the future who ask the same question. As for your " relatively expensive route" - which does not seem practical, but honestly as a car enthusiasts I don't think there is ever a actual "practical" or "cost-effective" route, I'm speaking from my own experience too, modding =/= practical/cost effective, oh well. Do put up a build thread when you get a chance, it seems like fun. There are a few that have gone before you with boosting the M44, off the top of my head I know xxxJohnBoyxxx has spent a lot of time working to boost his m44, and gave me a few pointers when I was also considering that route. Maybe you could search up his posts to see if there is helpful information. Don't worry I won't be nice all of a sudden either, I stand by what I have said above. :tongue: Good luck. |
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