Author Topic: Project BoostedRunner, SOLD (Read 532173 times)

Rocksnail · « **Reply #2280 on:** Sep 10, 2011, 09:38:01 AM »

Damn that sucks about the 4.7s. Hope they send you a new set free of charge.
How do you like that stock sway bar in the rear? i have been tossing around the idea of linking my s10blazer in the rear, and using a sway bar like that.

New page ownage!

Shamb · « **Reply #2281 on:** Sep 10, 2011, 09:38:22 AM »

that's odd... you think something else might be attributing to the premature breakage?

pumkin toy · « **Reply #2282 on:** Sep 10, 2011, 09:49:37 AM »

Quote from: Rocksnail on Sep 10, 2011, 09:38:01 AM

Damn that sucks about the 4.7s. Hope they send you a new set free of charge.
How do you like that stock sway bar in the rear? i have been tossing around the idea of linking my s10blazer in the rear, and using a sway bar like that.

New page ownage!

sway bar works amazing! its literally not safe at all to drive my rig without it. the swaybar came off an 80s wagoneer.

pumkin toy · « **Reply #2283 on:** Sep 10, 2011, 09:54:26 AM »

Quote from: Shamb on Sep 10, 2011, 09:38:22 AM

that's odd... you think something else might be attributing to the premature breakage?

yeah.... crappy gears!! haha idk man, i have talked to several people and explained my setup to them and they all think that if im putting that much stress on the drivetrain somehow, then i should be breaking output shafts or drivelines before the t case gears break. i have also gotten some info from a few other people who may, or may not

be sponsored by marlin that they went back to stock 2.28 gears because they continuously break 4.7 gears

Shamb · « **Reply #2284 on:** Sep 10, 2011, 10:13:36 AM »

Yea i've heard that 4.7's are getting harder to come by... maybe that's why. I would also think that an output shaft or driveline would go before the gears, i've seen Hyena beat the hell out of his on the trail with no breakage.

pumkin toy · « **Reply #2285 on:** Sep 10, 2011, 10:17:13 AM »

Quote from: Shamb on Sep 10, 2011, 10:13:36 AM

Yea i've heard that 4.7's are getting harder to come by... maybe that's why. I would also think that an output shaft or driveline would go before the gears, i've seen Hyena beat the hell out of his on the trail with no breakage.

yeah rigs like his make me believe that im not putting enough stress on the drivetrain to break this stuff, its just an issue with the gears

86rustbucket · « **Reply #2286 on:** Sep 10, 2011, 10:41:27 AM »

I've beat on my 21 spline inchworm 5 to 1's with no issues, and they are supposed to be weaker.

but then again I have like 75 horsepower and smaller tires.

Zs Confederate Toy · « **Reply #2287 on:** Sep 10, 2011, 11:30:02 AM »

Do they have a heat treat on them? If they replace them I would think of heat and/or cryo treating them. Just as an added precaution

pumkin toy · « **Reply #2288 on:** Sep 10, 2011, 10:09:50 PM »

Quote from: Zs Confederate Toy on Sep 10, 2011, 11:30:02 AM

Do they have a heat treat on them? If they replace them I would think of heat and/or cryo treating them. Just as an added precaution

no they were not heat treated, but they are breaking waaay to easily. i would like to get a chromoly set this next time around. maybe if i am willing to spend some money with marlin and upgrade to the chromoly ones they will be more willing to warranty my broken

.

Quote from: 86rustbucket on Sep 10, 2011, 10:41:27 AM

I've beat on my 21 spline inchworm 5 to 1's with no issues, and they are supposed to be weaker.

but then again I have like 75 horsepower and smaller tires.

those would be advanced adaptors gears. they are the only company that makes 5:1 gears i think. maybe inchworm just sells them?

pumkin toy · « **Reply #2289 on:** Sep 10, 2011, 10:14:37 PM »

here are pics of the torn up gears.

These pics are of the first set i broke

pumkin toy · « **Reply #2290 on:** Sep 10, 2011, 10:18:51 PM »

here is the set i pulled out today.... breakage is exactly the same

Zs Confederate Toy · « **Reply #2291 on:** Sep 10, 2011, 10:26:43 PM »

Damn that looks rough. Lots of damage for not much stress. I can't believe that

bigarms23 · « **Reply #2292 on:** Sep 10, 2011, 10:32:31 PM »

upgrade to an atlas 2

pumkin toy · « **Reply #2293 on:** Sep 10, 2011, 10:43:19 PM »

Quote from: bigarms23 on Sep 10, 2011, 10:32:31 PM

upgrade to an atlas 2

yeah that would be nice, but i dont have any money. warranty on the marlin gears is the only thing that can get me back on the trail

Quote from: Zs Confederate Toy on Sep 10, 2011, 10:26:43 PM

Damn that looks rough. Lots of damage for not much stress. I can't believe that

yeah thats what i thought, i cant believe it either. I thought the first time was just a strange fluke deal.... obviously not

83 Crawler · « **Reply #2294 on:** Sep 10, 2011, 10:45:07 PM »

since your have probems with the 4runner you could always send to me, ill take it off your hands

TURBO · « **Reply #2295 on:** Sep 11, 2011, 05:54:42 AM »

is this a single case setup? duals? triples? which case was it?

just curious...

pumkin toy · « **Reply #2296 on:** Sep 11, 2011, 08:27:23 AM »

Quote from: TURBO on Sep 11, 2011, 05:54:42 AM

is this a single case setup? duals? triples? which case was it?

just curious...

i have dual 23 spline cases with stock gears in the first case and marlin 4.7 gears in the second case. the marlin gears in the second case are the ones breaking

Quote from: 83crawler12 on Sep 10, 2011, 10:45:07 PM

since your have probems with the 4runner you could always send to me, ill take it off your hands

haha sometimes i get that attitude about it! i spend so much time building and working on it then stupid

like this happens and its not even my fault!

Rocksnail · « **Reply #2297 on:** Sep 11, 2011, 09:12:05 AM »

If they do warranty, i would try and spend the extra cash on getting there comp ones. If not maybe send them off and get the cyro done. this is crazy, theres no reason you should have broken two sets. maybe its time to go to stock 2.28 or even try another brand of 4.7

83 Crawler · « **Reply #2298 on:** Sep 11, 2011, 09:21:57 AM »

its crazy that you keep braking them tho

Shamb · « **Reply #2299 on:** Sep 11, 2011, 10:30:03 AM »

bigarms beat me to it, i was gonna say go atlas problem solved! lol..

yea that looks pretty knarly. you can tell they're not under alot of stress becuase the gears that aren't broken aren't twisted or anything.

TacoRunner · « **Reply #2300 on:** Sep 11, 2011, 11:00:24 AM »

Any chance you have a pic of the obstacle you were on when it happened?

Dingman. · « **Reply #2301 on:** Sep 11, 2011, 12:20:05 PM »

Man i thought i was the only one who had problems with gears. We iust arnt breaking the same ones though..

I totally stand behind marlin on tcase components after he gave us his rear case after my buddy broke some stock gear in his 4.7 cases at mcr last year.

With that said maybe try a differrnt brand as they make work for you

TURBO · « **Reply #2302 on:** Sep 11, 2011, 01:09:12 PM »

i tried looking for info on your rig, but this massive 77 page thread is kinda ridiculous LOL, (in a good way)

who built the rear case? how old is the bearing next to the broken teeth on the counter shaft? is it a new or used bearing?
is/are/were the #1 and #2 housings paired from the factory? what condition is the main bearing in? for that matter, how do all the bearings look? did you replace them all after the first set of gears went bad?

also, what engine you running? hp? trans? tire size?

when i first saw these pics, i thought it was a bit odd...

also, what number gear set are these?

TURBO · « **Reply #2303 on:** Sep 11, 2011, 01:35:40 PM »

Quote from: pumkin toy on Sep 10, 2011, 09:20:04 AM

Well i took it out wheelin on labor day and broke another set of MC 4.7 T-case gears. This is really starting to bother me. i was climbing a 2 foot tall log with one front tire and the gears gave way!! if you ask me, MC has some serious issues to deal with on this product. i have been breaking them rediculously easy. my rig wasnt bound up, or even trying to climb that hard, and i was just letting it idle and crawl! didnt even use the HP my engine has. I called them and Joe in tech says they will warranty them, then i talked to Nickolas in sales and he says they wont warranty them these guys are already pissing me off. the second set of gears were brand new two months ago. they probly had 6 trailrides and 50 miles on them needless to say im angry.

Im going out to pull the case and tear it apart right now........... pics to follow

how old was the first gear set?

TURBO · « **Reply #2304 on:** Sep 11, 2011, 01:40:26 PM »

Quote from: pumkin toy on Jun 24, 2011, 05:36:36 PM

I talked to MC and they might warranty them. i have to send them in so they can check em out. but since they are on backorder for 6 weeks i obviously wont be getting a replacement set before our event next month..... so i tracked down a set of stock ratio 23 spline gears that i am going to put in it for now just so i can use it. i will still have dual cases, just no 4.7 gears

i take it the stock 2.28 gears did fine?

TURBO · « **Reply #2305 on:** Sep 11, 2011, 02:07:41 PM »

is this the t-case the first set broke in?

-Matt- · « **Reply #2306 on:** Sep 11, 2011, 02:26:33 PM »

i think your problem is something else. either it being that something is going on with the case to cause the gears to not mesh right. or maybe you just so happened to get a bad batch of gears...kinda a long shot but it happens. you can almost guarantee that a stock output will be the first thing to break after big tires and 4.7s. specially if your not bound up. make sure all the c clips are on where the gear shafts go into the bearings. they send the gear without them and lots of people forget to take their old ones off and put them on the new set. since their helical cut gears.. if the clips aren't in it can cause the gears to walk off the bearing a bit. wouldn't take much either. also if they were forgotten everything would work completely fine until there was enough pressure for them to move.

unless i missed that you are running a chromo rear and front output then this is either shitty luck or i think something else is wrong.

also (not taking to you pumpkin toy) but you cant even compare a 4.7 to a stock 2.28, completely different with the amount of stress it sees. also there are no other brands out there besides t.g.. and obviously mc makes the top of the line gearsets.

-Matt- · « **Reply #2307 on:** Sep 11, 2011, 02:31:58 PM »

http://board.marlincrawler.com/index.php?topic=78097.msg918917#msg918917

here pics of what im talking about.. they were missing (in these pics) on my case with m.c 4.7s. they were also missing in 5 other wheeling buddies rigs where i live. might not even be your issue at all but worth a check.

TURBO · « **Reply #2308 on:** Sep 11, 2011, 04:00:51 PM »

Quote from: -Matt- on Sep 11, 2011, 02:26:33 PM

i think your problem is something else. either it being that something is going on with the case to cause the gears to not mesh right. or maybe you just so happened to get a bad batch of gears...kinda a long shot but it happens. you can almost guarantee that a stock output will be the first thing to break after big tires and 4.7s. specially if your not bound up. make sure all the c clips are on where the gear shafts go into the bearings. they send the gear without them and lots of people forget to take their old ones off and put them on the new set. since their helical cut gears.. if the clips aren't in it can cause the gears to walk off the bearing a bit. wouldn't take much either. also if they were forgotten everything would work completely fine until there was enough pressure for them to move.

unless i missed that you are running a chromo rear and front output then this is either shitty luck or i think something else is wrong.

also (not taking to you pumpkin toy) but you cant even compare a 4.7 to a stock 2.28, completely different with the amount of stress it sees. also there are no other brands out there besides t.g.. and obviously mc makes the top of the line gearsets.

..... COMPLETELY TRUE... this is where i was headed with my line of questioning...

honestly i had pumkin toy figured for anything BUT a newbie, and the c- clip thing only breifly crossed my mind as something a newbie would do, but hey, i make stupid mistakes or over look things sometimes

very possible (considering how fast they broke after you got the new set)
missing c-clips on the input and counter shaft gears like "-Matt-" posted here--> http://board.marlincrawler.com/index.php?topic=78097.msg918917#msg918917

but if this was true, if you were going forward, the helical gears would cause the input to go towards the grill and the counter shaft towards the tailgate, am i Right? because i have seen on one occasion where the counter shaft has been pushed so far off the 63/32 bearing, it started milling away at the #2 housing and pushed the counter shaft cage bearing up against or (nearly up against) that ledge behind it but i believe (if my memory serve me right )the gears themselves were fine and practically untouched. i know for certain the small set of teeth on the counter were perfectly normal looking

this leads me believe it's more of an alignment issue, which is VERY rare in the RF1A Transfer Case, but helical gears by design can not take hardly any misalignment at all

so make sure both your dowl pins are there, not too deep...and TIGHT!!!... no wiggle wobble

also, as a side note, it's not a good idea to assemble a t-case with silicon. gaskets are a lot thicker than silicon (relatively speaking) and it CAN also create problems inside the case, like oiling and tolerance issues... and don't use both! just make sure the gasket surfaces are completely oil free, brake clean and a rag should do it. sometimes people will take the front of the reduction (or #1) housing to a belt sander to true up the gasket surface... there by causing the input and counter gears to get closer to the #2 housing, tightening the tolerance between the main shaft, and the back of the input... i have seen those two surfaces come into contact before so it's not impossible but something to watch out for....(this is probably not YOUR issue but its good common knowledge)

TURBO · « **Reply #2309 on:** Sep 11, 2011, 04:16:46 PM »

i modified one a your pics to explain the "shelf" i was talking about and the area the gear had milled out

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