JUNN Posted June 22, 2011 Share Posted June 22, 2011 AS the topic states can i run this gears front 4.56 and rear 4.62 and have any problems or could it run ok thanks in advance Link to comment Share on other sites More sharing options...
fleurys Posted June 22, 2011 Share Posted June 22, 2011 If you do this, something's gonna break... you need to have the same ratio front and rear (or very little difference like 4.88 and 4.90... but then again, those who do this have dedicated trail machine that never sees asphalt, so the wheels can spin)... So on our regular rigs, it's a no no... you could also do it if you put different tire size to match the difference in ratio...but this is really bad if you ask me... Link to comment Share on other sites More sharing options...
silverton Posted June 22, 2011 Share Posted June 22, 2011 Difference in ratio is too great. No go if you drive it on pavement! Even on a trail that would be iffy. Link to comment Share on other sites More sharing options...
nismothunder Posted June 22, 2011 Share Posted June 22, 2011 This is a big iffy, you will get drive train bind when trying too crawl in 4x. Street usage you have no problem doing it, as long as the truck is never engauged into 4wd, but whats the point of having a front diff then? The genral rule is never too have more then a .05 diffrences in diffs, unless you plan on running diffrent size tires. Link to comment Share on other sites More sharing options...
87pathy Posted June 23, 2011 Share Posted June 23, 2011 you guys are not correct. the difference is only. .98%. up to 1.5 % is acceptable. for example, Ford gears. Front Dana 44- 5.38, closest matching gear 5.43 (for the ford 9" in the rear). This has been done for YEARS. I used to run it in my rig. Run it. Link to comment Share on other sites More sharing options...
87pathy Posted June 23, 2011 Share Posted June 23, 2011 you guys are not correct. the difference is only. .98%. up to 1.5 % is acceptable. for example, Ford gears. Front Dana 44- 5.38, closest matching gear 5.43 (for the ford 9" in the rear). This has been done for YEARS. I used to run it in my rig. Run it. In addtion, with the old fords, quite often you saw a STOCK 9" and D44 combo of 3.5:1 and 3.55:1. this is .05 in actual ration difference, with what you are talking about is only . 06. (4.56-4.62) Link to comment Share on other sites More sharing options...
87pathy Posted June 23, 2011 Share Posted June 23, 2011 question, I assume your asking this to do a SAS. what tires you running? Link to comment Share on other sites More sharing options...
JUNN Posted June 25, 2011 Author Share Posted June 25, 2011 yes im going to run 33 Link to comment Share on other sites More sharing options...
JUNN Posted June 25, 2011 Author Share Posted June 25, 2011 my rig is for offroad use only i dont drive it daily well i think its gonna work just fine jeje Link to comment Share on other sites More sharing options...
87pathy Posted June 25, 2011 Share Posted June 25, 2011 my rig is for offroad use only i dont drive it daily well i think its gonna work just fine jeje ok, cool. you should be ok then. however, if you want to run any larger than a 33" tire, your not going to have enough gear.. example. to get back to stock ratio with 36" tires, you need to go to 5.38:1 Link to comment Share on other sites More sharing options...
JUNN Posted July 2, 2011 Author Share Posted July 2, 2011 ok im not so good in this 4x4 gearing thing, whats the :1 for Link to comment Share on other sites More sharing options...
ahardb0dy Posted July 2, 2011 Share Posted July 2, 2011 ok im not so good in this 4x4 gearing thing, whats the :1 for the numbers mean for every turn of the wheel (ring gear in the axle) the pinion gear will turn a certain number of times, for ex. 4.62:1, pinion gear (driven by driveshaft) makes 4.62 revolutions the ring gear (wheel) will turn 1 time, hence the 4.62:1 Link to comment Share on other sites More sharing options...
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