Pirate 4x4 banner

1 - 20 of 42 Posts

·
Registered
Joined
·
567 Posts
Discussion Starter #1
I always hear that the 8" rear out of a V-6 truck is stronger than the 4cyl diff. HOW
MUCH stronger is it?? I have access to tons of 4cyl 8" rears but no 6cyl rears. Should i just go with the 4cyl rear <IMG SRC="smilies/question.gif" border="0">
BTW i am going to be running 4.88 gears, a spool and 36"SXs...
help me out guys, thanks,
 

·
Wicked Raciest !
Joined
·
17,737 Posts
I ran a 4 cylinder drop in in the rear of my truck for two years without a problem. When I did the SAS I got a v-6 housing and put it in the rear and 8 months blew the ring and pinion. I do not think there is that big a difference.
 

·
Registered
Joined
·
781 Posts
Originally posted by TANKOMA:
<STRONG>I always hear that the 8" rear out of a V-6 truck is stronger than the 4cyl diff. HOW
MUCH stronger is it?? I have access to tons of 4cyl 8" rears but no 6cyl rears. Should i just go with the 4cyl rear <IMG SRC="smilies/question.gif" border="0">
BTW i am going to be running 4.88 gears, a spool and 36"SXs...
help me out guys, thanks,</STRONG>

I dont know about the strength difference but are you sure a 488 is steep enough for 36s? I have seen the math and if you are working on a mini with a 22r or 22re I understand 5.29s are in order. If this is the 96 Taco on your profile I bet 4.88s are fine with the v6
 

·
Registered
Joined
·
567 Posts
Discussion Starter #4
Originally posted by wheelinjp:
<STRONG>
I dont know about the strength difference but are you sure a 488 is steep enough for 36s? I have seen the math and if you are working on a mini with a 22r or 22re I understand 5.29s are in order. If this is the 96 Taco on your profile I bet 4.88s are fine with the v6</STRONG>
I wish i could run a lower gear but since i have a Dana 44 up front the lowest matching gear ratio between Toy and Dana is 4.88, so that is what i am stuck with. <IMG SRC="smilies/frown.gif" border="0">
Yes this is going in my Taco, but i dont have the 6cyl i have the 2.7L 4cyl., I know its gonna be kinda tough turnin 36"s with the 4.88/4cyl, but its kinda my only choice.
<IMG SRC="smilies/crybaby2.gif" border="0">
 

·
Registered
Joined
·
25,113 Posts
The V6 carrier is stronger. It is easier to work on, it's easier to install a locker. gears are more expensive, as are rebuild kits. lockers are cheaper.

Now, since your spooling, the locker questions are unimportant, and assuming your not welding the diff, the ease or carrier work is unimportant.
Run what ya brung. If you have 4 banger diffs avaiable, go for it. Also, welding a V6 diff is (apparently) difficult to weld.

Finally, there are probably more 350 powered Toys with 2-pinion diffs than V6 diffs, because the average person probably doesn't know about the upgradeability.
 

·
Super Moderator
'82 Scrambler, '14 Rzr
Joined
·
62,007 Posts
NO.

Gearman will agree too if he checks this thread <IMG SRC="smilies/wink.gif" border="0">
 

·
Registered
Joined
·
3,094 Posts
Originally posted by TANKOMA:
<STRONG>I wish i could run a lower gear but since i have a Dana 44 up front the lowest matching gear ratio between Toy and Dana is 4.88, so that is what i am stuck with. <IMG SRC="smilies/frown.gif" border="0">
Yes this is going in my Taco, but i dont have the 6cyl i have the 2.7L 4cyl., I know its gonna be kinda tough turnin 36"s with the 4.88/4cyl, but its kinda my only choice.
<IMG SRC="smilies/crybaby2.gif" border="0"></STRONG>

I thought you could run 5:29's in the Toyota diff and 5:38's in the 44 up front and be close enough that it really didn't matter, in fact I'm pretty sure thats what DSI's poser mall-runner has.
 

·
Registered
Joined
·
2,079 Posts
Originally posted by TANKOMA:
<STRONG>I wish i could run a lower gear but since i have a Dana 44 up front the lowest matching gear ratio between Toy and Dana is 4.88, so that is what i am stuck with. <IMG SRC="smilies/frown.gif" border="0">
Yes this is going in my Taco, but i dont have the 6cyl i have the 2.7L 4cyl., I know its gonna be kinda tough turnin 36"s with the 4.88/4cyl, but its kinda my only choice.
<IMG SRC="smilies/crybaby2.gif" border="0"></STRONG>
the main reason the "guys" go for the V6 member is because when you run a locker ie:detroit there is larger bearings in the V6 compared the the 4 cyl. diff.
 

·
Super Moderator
'82 Scrambler, '14 Rzr
Joined
·
62,007 Posts
Originally posted by Shaker:
<STRONG>the main reason the "guys" go for the V6 member is because when you run a locker ie:detroit there is larger bearings in the V6 compared the the 4 cyl. diff.</STRONG>
When was the past time you heard of 4 cy. diff carrier bearings failing? IMHO - the larger carrier bearings are a useless upgrade since they just don't fail on a regular basis...
 

·
Premium Member
Joined
·
30,419 Posts
tank you can run 5.29 in the rear and 5.38 up front.


the larger bearings helps to give the v-6 more rigidity. how much? who knows but i bet if you figured out the diffrence in HP and torque between a 6 cyl and 4 cyl engine, that would be how much the engineers increased the 3 member strength.
 

·
Registered
Joined
·
575 Posts
David, since when has your opinion ever been humble? <IMG SRC="smilies/biggrin.gif" border="0">
 

·
Registered
Joined
·
567 Posts
Discussion Starter #12
Originally posted by eXtreme camo:
<STRONG>tank you can run 5.29 in the rear and 5.38 up front.
</STRONG>
So ya think its ok to run 5.29/5.38s even on the rocks and high traction situations? If so, I guess ill go that way!, here come the
37" Boggerz, now ill be cool <IMG SRC="smilies/biggrin.gif" border="0">
So anyways ya think that that gearing will be ok?
later bud,
 

·
Premium Member
Joined
·
30,419 Posts
yes it will work fine.
 

·
Registered
Joined
·
3,010 Posts
just run the 4 banger and wait until it breaks. i think it all depends on your still of driving. if ya hot rod the crap out of it it'll break. just like the good ol' birfield debate! <IMG SRC="smilies/rolleyes.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0">
 

·
Registered
Joined
·
781 Posts
Originally posted by TANKOMA:
<STRONG>So ya think its ok to run 5.29/5.38s even on the rocks and high traction situations? If so, I guess ill go that way!, here come the
37" Boggerz, now ill be cool <IMG SRC="smilies/biggrin.gif" border="0">
So anyways ya think that that gearing will be ok?
later bud,</STRONG>

I have seen the 5.38/5.29s work on rocks in person no problem. You are talking 9 hundredths of a ratio difference. Not enough to hurt.
 

·
Registered
Joined
·
1,126 Posts
so even if you were to be locked with these ratios and running in a straight line on level slickrock, you'd be aiight?? i just imagine it binding. if not, thats real cool....brad
 

·
Registered
Joined
·
781 Posts
Ask DSI for sure but there is more slop than that in your drivetrain. How many thousands of an inch is in an acceptable backlash? Probably more than the difference in the gear ratios.
 

·
Registered
Joined
·
719 Posts
ErikBeeb here on the POR forum runs 5.38s in his front Dana 44 swap'd 4Runner and 5.29s in his rear Toy axle. I've seen him do some gnarly crawl'n and it works. If you're wondering how well this setup works, email him. Here is the link to his webpage: http://home.off-road.com/~bibelheimer/

Oh yeah, I have a V6 rear 3rd from a 93 4Runner in my 86...works the same so far <IMG SRC="smilies/biggrin.gif" border="0">

[ 09-10-2001: Message edited by: Sly4rnrTRD12 ]
 

·
Registered
Joined
·
1,050 Posts
Quick two bits and out. I broke my detroit in my 5.29's 4cyl. and everything else was good. Broke on the street and I hit it hard off road. My neighbor has killed three stock 6cyl. for lack of lube (bearings) just life R&P and I think leaks that cought up to him R&P. he was open all times and went to throw in 5.71's (street ride) and they said that v-6 wth abs can only go 4.88's is this true?
 
1 - 20 of 42 Posts
Top