Moser 12 bolt power??
its a stick car and i mostly run it on the street but i do go up to the track about 10 times a year. the 12 bolt im looking at has 5k miles on it.
I would say from expereince, if you are under 475 or so you will be ok, if you are on a slick maybe a little less. It will also depend on the gear and the differential itself. If it is spool it will be stronger. If it is a posi, the Eaton HD will likely be the strongest, not sure if there is a Wavetac or S Trak for the 12 bolt yet.
I have one that held 520rwhp, but it did break 3 times. It also did several 1.4s 60fts. That said it is for sale and I have ordered a MWC 9" since the motor is making over 700 fwhp now.
Good luck!
I have one that held 520rwhp, but it did break 3 times. It also did several 1.4s 60fts. That said it is for sale and I have ordered a MWC 9" since the motor is making over 700 fwhp now.
Good luck!
I would say from expereince, if you are under 475 or so you will be ok, if you are on a slick maybe a little less. It will also depend on the gear and the differential itself. If it is spool it will be stronger. If it is a posi, the Eaton HD will likely be the strongest, not sure if there is a Wavetac or S Trak for the 12 bolt yet.
I have one that held 520rwhp, but it did break 3 times. It also did several 1.4s 60fts. That said it is for sale and I have ordered a MWC 9" since the motor is making over 700 fwhp now.
Good luck!
I have one that held 520rwhp, but it did break 3 times. It also did several 1.4s 60fts. That said it is for sale and I have ordered a MWC 9" since the motor is making over 700 fwhp now.
Good luck!
thanks a lot! i think it has 33 spline axles im not sure on the diff but it is a 3.73 gear.
3.73s are good too, the lower the ratio thicker the teeth. The ones I broke were 4.11s. I have 3.73s now with no issues.
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Brett Foote
On The Tree
Joined: Jun 2008
Posts: 162
Likes: 0
My car is at 510rwhp/516rwtq. Original Moser 4.11's never broke, but after a track day with some slicks, they whined like crazy. So loud on the freeway, was pretty hard to talk to a passenger. Took em out and they look just fine, all tolerances were good. Dont know what the cause for the noise was. Replaced them with Richmond 4.10's. No problems now, but I havent been back to the 1/4 mile since. I have been to auto X events and beat on it around Road America though, still ok.
Teching In
Joined: Jan 2009
Posts: 29
Likes: 0
From: MI
My friend has the Moser with GM gears. NO whine, no break, 9 second car. I have a Moser, richmond gears, howls like there is a full moon out. It howled plenty before I dropped the clutch multiple times at 5k at the track. That was with a full bolt on LT1 that dynoed 276rwhp.
