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  #1  
Old 09-03-2006
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4.88 install question

Looking to pick up a set of 4.88 gears at Summit this weekend (10% off entire store durring truckfest)


queston is, i was comparing the Ford Racing and Richmond Gears and the Richmond mentioned needed a cross pin to install, but the ford racing didnt...


So the Richmond Gears are 20bucks cheaper then FR, but if you add the 40 for the cross pin, its actually 20dollar more


Just kinda of curious on what i really need for an Explorer 31spline 8.8


Thanks

ScottG
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  #2  
Old 09-04-2006
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I've used both gear names.. go with the fords as they are a direct bolt in. Get the install kit as well as you will ( more then likely ) have to set the lash and need shims.

D.
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  #3  
Old 09-04-2006
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4.88 gears (actually 4.56 and up) for the 8.8 are funny. To put 4.56 in you have to grind the cross pin in order to allow the installation of the c-clips. D. has only used lower gearsets and has never encountered this problem.

It's a technical hurdle to overcome no matter who's gearset you have. Typically, you have to have a modified crosspin and insert it BEFORE installing the ring gear. Then the cross pin can be backed out just enough to install the c-clips on the axle shaft ends.

Perhaps the one gear set includes the modified crosspin and the other doesn't. You should probably contact the vendor to find out what they mean or search the internet for specifics and maybe the answer is there.

No matter what, 4.56 and up gearsets are difficult because the ring gear is so thick and the teeth overlap the carrier so much.
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Old 09-04-2006
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well, i have a rebuild kit for it, and i have a ford tech installing it, so im not sure if he needs more for the install
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  #5  
Old 09-04-2006
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Rebuild kits do not include modified crosspins. What does your tech say you need? If he can modify the stock crosspin, you don't need one. I modified mine when I did my gear install, but I think 4.88 are rather more radical.

Your teck should know, or he shouldn't be doing the rebuild.
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  #6  
Old 09-04-2006
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its my best friends buddy, so i asked him to ask the guy, if not, i might have to convince Big04Ranger to help me out since hes done it on his
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  #7  
Old 09-04-2006
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and Zabeards... and soon 456 on another ranger here soon...


not that im complaining i get the chance to meet a bunch of great guys
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Old 09-04-2006
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Quote:
Originally Posted by Big04Ranger
and Zabeards... and soon 456 on another ranger here soon...


not that im complaining i get the chance to meet a bunch of great guys

yep that is right.

i know i dont regret installing them. love it

btw you still up for swapping consoles?
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  #9  
Old 09-05-2006
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ya if you could send me a quick pic of it.... i forget exactely which 1 it is..lol if i dig it ill be in ft wayne on sept 16th
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Old 09-05-2006
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i will get a pic or two, is the console that most manual lvl2s come with and it has the two cup holder mounted to the floor in the front.

but the 16th i will be in detroit, swapping out my plastic for carpet. lol
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  #11  
Old 09-05-2006
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i love my 4.56's.........scott(big04ranger) hopefully is going to help me do my front 4.56's........

when my gf's uncle installed the 4.56's in my rear......he didn't use the cross pin nor did he grind on the gears..............i dont know how he did it but he did........
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Old 09-05-2006
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Be interested to know how he got the c-clips in then. As far as I know, there's no real alternative.

He MUST have used a cross pin, lol -- I guess you mean he didn't use an aftermarket one? Did he grind the stock one? That's what I did. Well, actually I ground the new one that came with the ECTED I put in.
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  #13  
Old 09-05-2006
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Quote:
Originally Posted by n3elz
Be interested to know how he got the c-clips in then. As far as I know, there's no real alternative.

He MUST have used a cross pin, lol -- I guess you mean he didn't use an aftermarket one? Did he grind the stock one? That's what I did. Well, actually I ground the new one that came with the ECTED I put in.
he said he didn't make any modifications to get the stock pin to work.......he stated it was tight but it slid in..........
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  #14  
Old 09-05-2006
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scott did a little grinding to my cross pin but not much at all.
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Old 09-05-2006
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Okay, thanks. Well, it might be a function of the centersection geometry also -- my Auburn might not allow it to fit in properly. Sounds like maybe with a stock carrier you might not have to grind much or at all until 4.88's are in. Good to know for future work -- it's a pain in the butt to take the ring gear off again if you don't set the pin up properly in advance.
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Old 09-05-2006
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Quote:
Originally Posted by n3elz
Okay, thanks. Well, it might be a function of the centersection geometry also -- my Auburn might not allow it to fit in properly. Sounds like maybe with a stock carrier you might not have to grind much or at all until 4.88's are in. Good to know for future work -- it's a pain in the butt to take the ring gear off again if you don't set the pin up properly in advance.
i could see were it would be a problem......

is there any other "special" part i need to install the 4.56's in the front dana 35 that i should know about before i get started?
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  #17  
Old 09-05-2006
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You need to check the "carrier break" for that diff. Above a certain ratio, a different carrier is needed. I forget what it is for the 35, but it's 4.10 for the Dana 44. Definitely check on that.

For instance, on my 44, 3.73 and below use one carrier, 4.10 and above use a different one. If you go from 3.73 to 4.56 on a D44, you need to obtain the appropriate diff carrier. Bearings and all are the same.
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  #18  
Old 09-05-2006
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Quote:
Originally Posted by n3elz
You need to check the "carrier break" for that diff. Above a certain ratio, a different carrier is needed. I forget what it is for the 35, but it's 4.10 for the Dana 44. Definitely check on that.

For instance, on my 44, 3.73 and below use one carrier, 4.10 and above use a different one. If you go from 3.73 to 4.56 on a D44, you need to obtain the appropriate diff carrier. Bearings and all are the same.
i already knew that.............good info.......there isn't no special cross pin or anything like that is there?
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  #19  
Old 09-05-2006
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No because you use the same spider gears so the pin still works.

On the Dana designs like that, there is no c-clip I believe -- hence no need to take out the cross pin to get the c-clips in.

But I'm not absolutely sure about the Ranger D35, so do verify that.
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  #20  
Old 09-05-2006
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sweet.....thanks john......you and bob are always big helps!
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  #21  
Old 09-05-2006
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iv never had a d35 TTB apart to be honest but i know what im doin and can look at things and figure it out quite quickly.


as for oct 14th.. i wanna say that i have somthing goin on but i cant quite put my finger on it at the moment.. as for now i think it was just the gear install. prob plan on doin it up here and make a lil meet out of it. i have somthing i need to do to my truck that requires a few extra hands.
.
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  #22  
Old 09-05-2006
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Quote:
Originally Posted by Big04Ranger
iv never had a d35 TTB apart to be honest but i know what im doin and can look at things and figure it out quite quickly.


as for oct 14th.. i wanna say that i have somthing goin on but i cant quite put my finger on it at the moment.. as for now i think it was just the gear install. prob plan on doin it up here and make a lil meet out of it. i have somthing i need to do to my truck that requires a few extra hands.
.
sweet! will do.....if something comes up and you can't do it on the 14th i can do it either the 7th or the 21st also.........
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  #23  
Old 09-05-2006
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keep me posted. ill prolly show up
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  #24  
Old 09-05-2006
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Quote:
Originally Posted by Big04Ranger
iv never had a d35 TTB apart to be honest but i know what im doin and can look at things and figure it out quite quickly.


as for oct 14th.. i wanna say that i have somthing goin on but i cant quite put my finger on it at the moment.. as for now i think it was just the gear install. prob plan on doin it up here and make a lil meet out of it. i have somthing i need to do to my truck that requires a few extra hands.
.
I'd never done an axle setup when I did my 31 spline 8.8, lol. So I know where you're coming from!
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  #25  
Old 09-05-2006
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if the guy knows what he is doing you don't need the notched cross pin on either set of gears, if you are doing it yourself or you don't think guy doing them sounds to sure i would buy the notched cross pin. You can do like Griggs said and grind/notch the pin during the install. The guy i bought my gears from also said you can grind one tooth on the ring gear, I think this is what the guy that did my install did.
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