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Old 04-23-2012, 08:35 PM   #1 (permalink)
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This or That: Triple bypass or axle upgrade for racing? Must choose...

With a budget that would only allow for one or the other this year (pre-KOH EMC 2013) to my TJ, I'm interested in some opinions on which I would get the biggest bang for the buck out of:
  • Upgrade rear axle (60, 609, 9", etc)
Or
  • Add and tune triple bypass shocks to the current rear axle

I currently race on 37" radial Rockers bolted to TJ Rubi 44 axles (f/r). They are as built as I can make them (super 44 kits, arb's, trusses, gussets, BBK, custom steering), but they are still just Rubi 44s. Suspension consists of moderately tuned King resi 2.0 C/Os (will need fine tuning in the desert), airbumps, and anti-rock.



Either way, looks like I would be stuck with my front axle. Then there is the Bolt pattern- may have to have 5x4.5 drilled rear d60 shafts (or get a rockjock) , or buy 5x4.5 to 8 lug spacers for the front (I think I saw some through google searching). Rear axle has to have an ARB- the TJ is daily driven. Any opinions on which option would benefit me more in an EMC race?
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Old 04-23-2012, 08:49 PM   #2 (permalink)
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Tune your current shocks and upgrade the axles. Bypasses aren't the magic cure to everything, and normal coilovers can be tuned to work really really well for most. Coilovers will get you to the end of the race any day....a rubicon 44 probably wont.
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Old 04-23-2012, 08:51 PM   #3 (permalink)
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Upgrade the rear axle, I don't think a 44 rear is going to last very long.
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Old 04-23-2012, 08:58 PM   #4 (permalink)
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Axles FTW
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Old 04-23-2012, 09:14 PM   #5 (permalink)
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What class are you planning on running?
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Old 04-23-2012, 09:25 PM   #6 (permalink)
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Quote:
Originally Posted by OnTheSpot View Post
Axles FTW
It would be a rear axle, not rear and front. Not enough $$$$ to do it right (f & r) before Feb.


Pretty early consensus for the axle over shocks. I've been shopping for one, but saw I could do the rear triple bi's for the same cost, so I thought I would get some feedback.

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What class are you planning on running?
Mod.

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Old 04-23-2012, 09:53 PM   #7 (permalink)
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axles first, BUT Shocks Tunning Most Important

If the Emc race is same next year , then build axles, Make sure you have a very good shock tuner, and properly tuned bumpstops , the whoops will
be where will have to slow a lot if shocks aren't properly tuned .Alot of people complained that the rock portions were to Easy ( they were) . so I think , or I hope they will make them tougher. Were adding bypasses for next year as our achilles heel this year was lack of good shock tunning.
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Old 04-23-2012, 09:55 PM   #8 (permalink)
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I think the bypasses will just make you want to go faster making it harder on the rear axle. I also vote axle
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Old 04-23-2012, 10:55 PM   #9 (permalink)
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Axles. We run smooth body shocks and no air bumps. We did OK.
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Old 04-24-2012, 12:08 AM   #10 (permalink)
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LOL, if by OK, you mean WINNING
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Old 04-24-2012, 06:52 AM   #11 (permalink)
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You can build a rear 60 or 9 with pretty much any wheel bolt pattern you want. I run semi float D60 builders axles in my 9 and they are 5x4.5 or 5x5.5. I know I know semi float...but I have no problems with my rear axle, and am kind hard on it . If you want full float, there are many options and a spacer like spidertrax is a cheap easy one.
BUT. One day you will want to put a front axle in that thing. Then you will need new wheels...This goes on forever....

BTW, I agree, new axle. Shocks can be tuned just fine, you just gotta work on them and put the time in.



Quote:
Originally Posted by REDLYNER View Post
With a budget that would only allow for one or the other this year (pre-KOH EMC 2013) to my TJ, I'm interested in some opinions on which I would get the biggest bang for the buck out of:
  • Upgrade rear axle (60, 609, 9", etc)
Or
  • Add and tune triple bypass shocks to the current rear axle

I currently race on 37" radial Rockers bolted to TJ Rubi 44 axles (f/r). They are as built as I can make them (super 44 kits, arb's, trusses, gussets, BBK, custom steering), but they are still just Rubi 44s. Suspension consists of moderately tuned King resi 2.0 C/Os (will need fine tuning in the desert), airbumps, and anti-rock.



Either way, looks like I would be stuck with my front axle. Then there is the Bolt pattern- may have to have 5x4.5 drilled rear d60 shafts (or get a rockjock) , or buy 5x4.5 to 8 lug spacers for the front (I think I saw some through google searching). Rear axle has to have an ARB- the TJ is daily driven. Any opinions on which option would benefit me more in an EMC race?
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Old 04-24-2012, 07:57 AM   #12 (permalink)
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Do the axle. I'm in same the boat and went with axles. But first thing on your list should be shock tuning. There was a lot of desert. Shit it was all desert.
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Old 04-24-2012, 08:40 AM   #13 (permalink)
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Quote:
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Do the axle. I'm in the boat and went with axles. But first thing on your list should be shock tuning. There was a lot of desert. Shit it was all desert.
We've started the initial round of tuning, but being in North Carolina, space is limited for high speed test runs. There are a few more races down here between now and Feb, so hopefully we can get it close, then have King or someone help us out on the lakebed a few days before.

But to your point, that is why I thought this would be a closer decision. Am I crazy to think an 80/20 or 90/10 desert to rocks ratio would open up to allow for smaller axles like mine?

The main reason why this even became a scenario for me was that my rear axle (minus some ring and pinions) has survived through a few races now in the South. However, I have to drive under the limitations of these axles, so I can't bounce off of rocks and hop up hill climbs the way some of the better built rigs do.

I appreciate all of the feedback so far. I understand the need to have bigger and stronger axles and agree with what has been posted, I was just curious because of the specific layout of the EMC (not as technical), if I would benefit from more shock vs. a bigger axle. So far, that doesn't seem to be the case.
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Old 04-24-2012, 05:45 PM   #14 (permalink)
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Ho's cant tell a Rubi 44 from a Spider9, but they KNOW what a bypass is!!!!

























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Old 04-24-2012, 06:13 PM   #15 (permalink)
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Ho's cant tell a Rubi 44 from a Spider9, but they KNOW what a bypass is!!!!


Rob
I'm not too proud to admit the bling factor could be clouding my judgement.


Doesn't really matter at this point anyway. I picked up the jeep from the fab shop today and we had a long discussion about it- essentially I would have to completely redo my coilover mounts and frame sections to get the bipasses to work.
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Old 04-24-2012, 09:02 PM   #16 (permalink)
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I'm not too proud to admit the bling factor could be clouding my judgement.


Doesn't really matter at this point anyway. I picked up the jeep from the fab shop today and we had a long discussion about it- essentially I would have to completely redo my coilover mounts and frame sections to get the bipasses to work.
lol....sometimes decisions are made for you!! Axle it is!
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Old 04-24-2012, 09:41 PM   #17 (permalink)
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Axles. It's a waste of time to upgrade shocks, then redoing things to fit... only to then later upgrade the axles and redo it all over again.
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Old 04-24-2012, 09:57 PM   #18 (permalink)
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People are going to jump on me for this, but 96.2% of people that have bypasses don't even need them.
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Old 04-24-2012, 10:13 PM   #19 (permalink)
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Quote:
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People are going to jump on me for this, but 96.2% of people that have bypasses don't even need them.
Whoa bro, see those seat covers? That's elephant foreskin, died neon green!
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Old 04-24-2012, 10:20 PM   #20 (permalink)
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people are going to jump on me for this, but 96.2% of people that have bypasses don't even need them.

:d
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Old 04-24-2012, 10:25 PM   #21 (permalink)
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Bigger axles will get you to the end of the race but blingy bypasses will get you laid!
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Old 04-25-2012, 12:05 AM   #22 (permalink)
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Whoa bro, see those seat covers? That's elephant foreskin, dyed Monster Energy green!
FTFY
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Old 04-25-2012, 01:45 AM   #23 (permalink)
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People are going to jump on me for this, but 96.2% of people that have bypasses don't even need them.
I have no idea where you're getting your numbers......but I'd be willing to wager that you're not terribly far off.
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