G2 Gold vs RCV shafts - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 10 Old 07-22-2015, 04:54 AM Thread Starter
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G2 Gold vs RCV shafts

G2 shafts front and rear are "double heat treated" 4340 alloy. RCV rear shafts are 300m alloy, but RCV doesn't say what the front shafts are made out of. They say the bearing parts are 300m so I am assuming they use 4340 like everyone else.

The cost difference better the G2 Gold and RCV front shafts is about $300. I know if I'm comparing 30 spline fronts of both the RCV will be obviously better. But....

Front D44:
35 spline G2 Gold with OX Locker
vs.
30 spline RCV with Detroit Locker

Both setups come out to be about the same price.
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post #2 of 10 Old 07-22-2015, 07:41 AM
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What size tires are you planning to run?

TC
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post #3 of 10 Old 07-22-2015, 08:06 AM
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For the same money I would run the RCV shafts. I like the no bind joints and they are made in Illinois vs overseas for the G2.

RCV has lifetime warrantee and I have never seen a broken front shaft. The rear shafts are newer and I have not seen any feedback on them. I would say it is due to the cost of the rears which is quite a bit more then others.

Some build info here:
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post #4 of 10 Old 07-22-2015, 09:35 AM Thread Starter
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Quote:
Originally Posted by TCdawg View Post
What size tires are you planning to run?
40x16-17 Swamper LTB
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post #5 of 10 Old 07-22-2015, 09:42 AM Thread Starter
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Quote:
Originally Posted by thedirtman View Post
The rear shafts are newer and I have not seen any feedback on them. I would say it is due to the cost of the rears which is quite a bit more then others.
Currently I have a set of 35 spline Nitro shafts for the rear and when/(if it's not a bad failure I will get the warranty replacements cryogenic treated) I will go to RCV rear. I have seen similar size shafts made out of 300m stand up under 1000+hp drag cars.
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post #6 of 10 Old 07-22-2015, 10:50 AM
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Quote:
Originally Posted by Bumpstick View Post
40x16-17 Swamper LTB
good luck with those and your D44's


If I was you I would run the G2's and when you break, hope that it is the U joint that goes and not your R&P.

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Last edited by TCdawg; 07-22-2015 at 10:54 AM.
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post #7 of 10 Old 07-22-2015, 11:33 AM
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The G2 gold are made in the USA, have a 10 year warranty.

RCV are high maintenance (require grease every 6 months depending on use or even pull apart and clean and rebuild, also do not like mud and sand) and after they wear in make clicking noise when the balls pop out of the groove they ride in.

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1987 YJ Stretched 60/14 40" LTB's
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post #8 of 10 Old 07-22-2015, 01:11 PM Thread Starter
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Ring and pinion will be cryogenically treated which makes then 50% stronger. Front will be Currie 44 and rear will be stock non-rubi D44 with truss and 35 spline OX Locker.

With the G2 Gold up front the u joint should be the weak link.

I thought the RCVs did better than u joints in the mud. In Florida we have mud and sand everywhere you go.
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post #9 of 10 Old 07-23-2015, 12:31 PM
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You have to keep RCV's greased, but I'd still run them over a u-joint axle all day every day. Smooth power transfer when locked is noticable. And it's pretty typical for a u-joint failure to take out a lower ball joint.

I've seen a few instances of RCV shaft failure. It happens. They seem to stand by their warrentee. I've seen one RCV ball cage failure on a waggy D44 and 39" stickies.

And to answer your original question, JK RCV's are usually 4340. "Double Heat treat" is probably a marketing term. You can probably get a 300m jk rcv for extra.

-Mike
2007 2dr X, 6sp, 35's on D44's, 2" lift, cage, hydro, etc.
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post #10 of 10 Old 07-23-2015, 06:57 PM
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main reason i would stick with rcv is because if the joint breaks, its less likely to take my ball joints out with it. if that werent my xoncern id run the golds

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