Guest CRAIG D Posted March 29, 2009 Posted March 29, 2009 Afternoon, After the delights of smashing my diff at KH yesterday iv stripped my rear diff to bits. The ratio showing on the diff is 39.10 and my new diff is the same. iv also counted the teeth of the diff and the teeth of the main shaft and the sums come to 3.9. Question is am sure steve whitson (sw motorsport) said that the front diff was 4.33. Now does these diffs match up????? or if not then will this be the reason my diff went BOOOOM
evil evo Posted March 29, 2009 Posted March 29, 2009 (edited) i beleive it does not matter what ratio diff you run as it will just change the ratio of split from front to back say standard is 60 - 40 and you put a different diff in front you might get 50- 50 or 70- 30 or thats what ive been told as my red one ran more split to front, its all a dccd does after all and you can do it manually by fitting dofferent ratios to each end , ideally you want same as standard unless my reading up on transmissions is wrong Edited March 29, 2009 by evil evo
JohnSt Posted March 29, 2009 Posted March 29, 2009 (edited) Don, that's pretty much all wrong mate. You 'MUST' have the same front and read Final Drive Ratios !!!!!!!!! If you don't your centre diff will be Toast Available Ratios for the TY754 and TY752 are 4.44:1, 4.11:1, and 3.9:1. The later is acheived in the JDM car by using 3.9 CWPs in both the front and back with 1:1 drop gears in the centre dif. Euro cars use a 3.9 in the front and a 1:1.1 drop gear, then a 3.54 (3.54 x 1.1 =3.9) in the rear. I think the reason for the difference is to lower the speed of the prop shaft on the euro cars with their higher top speed. If you were using the box you got from Grieg, it has a 4.11 front diff from memory. ---john--- Edited March 29, 2009 by JohnSt
arch Posted March 29, 2009 Posted March 29, 2009 i beleive it does not matter what ratio diff you run as it will just change the ratio of split from front to back say standard is 60 - 40 and you put a different diff in front you might get 50- 50 or 70- 30 or thats what ive been told as my red one ran more split to front,its all a dccd does after all and you can do it manually by fitting dofferent ratios to each end , ideally you want same as standard unless my reading up on transmissions is wrong Don Dont go changing your box or diff mate leave it alone
evil evo Posted March 30, 2009 Posted March 30, 2009 cheers john ok arch wont touch any scoob diffs from now on will only touch the diffs on my 546 bhp evo 4 i am running this season cheers Don
Spaceman Posted March 30, 2009 Posted March 30, 2009 can`t beleive you have let the cat out the bag on your beast don you`ll be hoping its a single seater arch so he ain`t in your class whooping your ass lol
arch Posted March 30, 2009 Posted March 30, 2009 I was once told that its better to appear a fool than open your mouth and prove it
evil evo Posted March 31, 2009 Posted March 31, 2009 (edited) Is that a new type of single seater LOL no need to take the piss but i never got the single seater arch but i did import from japan a mitsubishi evo 4 just had its sva last week me not out to prove anything , just out for a laugh its better than going to hot hatch days with all the neds . anyway at forrest burn i remember being just 2 hundredths of a second of the pace in my boggo standard scoob with 30 quid kwik fit remoulds against some stripped out race cars with alot more horse power and slicks even at doune my split times were just as quick as cars with alot more horse power and again i was running a boggo standard scoob not stripped out , standard brakes , pishy standard suspension , standard boost etc etc etc and it was my first time after all , its not all about massive horse power its how big your balls are just look at the boy in the old escort rs2000 he pissed all over our times even beating yourself by 2 seconds a run and myself by 3 secs on the road scoobs would piss all over him but on track he had the bigger balls ive also got to drive car to and from events so a bit of restraint is called for also ran last year with a ****ed up rear brake on rear drivers side wheel it used to lock up all the time on light braking , i thought i done ok last year considering my car was standard and only cost 1800 notes catch you a kames Don Edited March 31, 2009 by evil evo
evil evo Posted March 31, 2009 Posted March 31, 2009 **** Me, he listened, well at least the once lol about above but never really spoke to you before for advice , it would be nice john but you and arch are like the secret service ,never wanting to give a secret away lol i can see why you keep things hidden you got mad mac to beat , but me, greig and arch aint going to get any place near you or mac , so advice onsuspension set ups etc for different tracks or any advice would be a nice help cheers don
JohnSt Posted March 31, 2009 Posted March 31, 2009 To quote lawrence Hoy, "I'll help you all I can ! Right up until the point you beat me, then you're on your own" ---john----
Spaceman Posted March 31, 2009 Posted March 31, 2009 I was once told that its better to appear a fool than open your mouth and prove it And what foolish thing were you saying when you were told that arch lol
arch Posted March 31, 2009 Posted March 31, 2009 And what foolish thing were you saying when you were told that arch lol Not a foolish comment I made but nice try cant ever remember making such a thing
evil evo Posted April 4, 2009 Posted April 4, 2009 I was once told that its better to appear a fool than open your mouth and prove it i aint no fool fool and you aint getting me on no plane fool just a evo 4 lol Don
evil evo Posted April 4, 2009 Posted April 4, 2009 To quote lawrence Hoy, "I'll help you all I can ! Right up until the point you beat me, then you're on your own" ---john---- chees john but there is no chance of me getting any place close to you my kahunas aint big enough yet need a little more practice in car also got a big problem with my kidneys and adrenal glands as i am not produceing any adrenaline so cant seem to get into the zone anymore with adrenaline buzz everything seems to be boreing and i cant be bothered to try. its called addinsons diesese ( still waiting on treatment as they have just found out why i was really ill ) , main thing is i should have glasses and cant see a bloody thing as i refuse to get them , so hopefully after treatment sorry body mods i will get into it a bit more this year and start asking questions cheers Don
Spaceman Posted April 4, 2009 Posted April 4, 2009 Aww Don get the specs i think they will really enchance your look ill help you pic them lol
arch Posted April 4, 2009 Posted April 4, 2009 i aint no fool fool and you aint getting me on no plane fool just a evo 4 lol Don Don Remark was intended for Grieg in response to his reply in post 7. I have no illusions about my car being competative this season even with John concentrating on other avenues this year. So having my "ass whipped" is not really a concern
Spaceman Posted April 4, 2009 Posted April 4, 2009 It was ass Whooping not whipping arch thats you fantasy life takin over now lol
evil evo Posted April 5, 2009 Posted April 5, 2009 Don Remark was intended for Grieg in response to his reply in post 7. I have no illusions about my car being competative this season even with John concentrating on other avenues this year. So having my "ass whipped" is not really a concern Hi arch just having a laugh its what BA says in the a-team, hope johns plans come together , have heard what he is up to but will leave that up to john to tell ,i was hopeing to have a yatter next sunday but charles says you have not entered kames , whats up you busy working or you going mechanicing for john why is your pm not working cheers don
evil evo Posted April 5, 2009 Posted April 5, 2009 Aww Don get the specs i think they will really enchance your look ill help you pic them lol no specs mate , trying to get contacts but cant get time of work to go to opticians after the week i had at hospital , back to hospital on the 21st got letter from hospital saying i need to go back in , not good news as all the drugs they pumped into me did not jumpstart me and test after showed i need more Cheers Don
Spaceman Posted April 5, 2009 Posted April 5, 2009 Buggers Don tell ya what ill do yer wiring for you in the car that will give you a jump start for sure
arch Posted April 6, 2009 Posted April 6, 2009 Hi arch just having a laugh its what BA says in the a-team, hope johns plans come together , have heard what he is up to but will leave that up to john to tell ,i was hopeing to have a yatter next sunday but charles says you have not entered kames , whats up you busy working or you going mechanicing for john why is your pm not working cheers don Not sure if there is a problem with my Pm wasnt aware there was Car just isnt ready thats the reason I've not entered, having some issues at the moment which should be resolved soon.
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