Richmond Gear Camaro gears

[Merc]

[QUOTE=Heliwrench;2817190]While I really appreciate finally hearing everything from the company themselves... in the end I've concluded that they are expensive and will break eventually.

A 9" Sounds more appealing each day.

don't take this as an insult to your product... more of an insult to the overall design in a performance car[/QUOT

OOOOOOOOOOOOOOOOOOOH. 9 inch you say.

[Irnwkrkev]

I've been one to criticize richmond for stating the gears are "street" gears but after reading the post I realize they have always had "pro" gears for the strip that are known to be a softer material and not rated for street use. Look up 9" gears and you will see the same offerings. The big difference is that most solid axles aren't known to have ring and pinion failures. Then again most solid axle cars using "street" gears at the strip probably don't weigh 4,000lbs and make what a supercharged or nitroused LS3 makes for hp and torque. Hopefully these improved gears will withstand more abuse. I wonder who uses the "spreader" during installs?

EDIT: Maybe it is just a crappy housing being that the porky challengers aren't breaking diffs..... then again they don't make the power the LS3 does

[Capthowdy]

the housing is def flexing thats why JRE has a billet cap mod....and set up of these are very important to them lasting...only have a REAL driveline pro install these and set them up properly..

[RAYSRT8]

I have ordered a rear-end swap from Jannetty with 4:10 gears and I will let you know soon how they hold up.

[OrangeChevyII]

I'm gonna have to tell you your gears are already over priced for these cars, most of the failures I have seen are from normal driving habitts and have problems on the simplest cars.

If American gear can make a stock gear for GM hold up to 1400 RWHP and not break and the car have over 250 passes your over priced gears should be able to do the same.

You also forgot to mention that you have changed the installation directions for the set backlash from 40 thousands to 15 thousands in the later released gears for the Ls3 cars.

Yes I have bought the gears and yes they broke. Yes it was on a stock car and yes you replaced them. I called you out on the installation changes and yes your tech guy explained why they changed it.

No I dont recomend anyone to use your gears.

[Heliwrench]

Originally Posted by mercuryman96

OOOOOOOOOOOOOOOOOOOH. 9 inch you say.

[RichmondGear]

Just to set the record straight, backlash specification has never changed it is .008 to .010 inches. This has always been the setting and it holds true for all of our gears. We only recommend using a professional installer, no ring and pinion installation is simple.

For you guys considering the change to a Ford 9 inch housing be aware you will lose about 3% in efficiency due to the change in hypoid offset. If you are producing 400 hp this means a loss of 12 hp. On the flip side the 9 inch housing and gear set is stronger. This is just the physics of making gears. There is no free lunch.

Richmond Gear

[ProudLS]

How about street race? what's the maximum HP that these street gears can handle?
I am about to install my gears and ordering a super charge but now I have to think again.

Thanks,

[OrangeChevyII]

I just pulled that out of my hat right? What ever you say your going to try and redeem your product, doesn't matter. Just know I think they're junk.

[RAYSRT8]

Originally Posted by Ray2SS

I sent a PM with a question about the 4:10 gears.

Thanks in advance for your time.

Guess they do not care that I sent a PM because they never got back with me..

[RAYSRT8]

Originally Posted by Ray2SS

I sent a PM with a question about the 4:10 gears.

Thanks in advance for your time.

Guess they do not care that I sent a PM since they have not responded...

[ProudLS]

How about break-in procedure?

[RichmondGear]

Break in procedure is the same for all gears. It can be found on page 74 of our catalog. You can download a copy from our website http://www.richmondgear.com It also includes the backlash specification which has been the same for many years.

I don't know if you guys have seen this but the new 550 HP camaro will have a castiron rearend> "Drivetrain – It is revised with a stronger driveshaft and rear axle system, featuring a larger and stronger cast iron differential housing, stronger axles and heavy-duty limited-slip differential. This patent-pending system is designed to ensure that ZL1’s tremendous power is delivered smoothly to the ground."

The whole article can be found here http://www.autoinsane.com/2011/02/09...ed-in-chicago/

The amount of horsepower these or any gear can take is very difficult to define. There are just too many variables that are undefined. Things like: Traction, driving style, wheel hop, automatic vs manual transmission, shock load, transbreak, transmission ratio, axle deflection, housing distortion and many other factors.

So there is no easy answer. As I said before, this same design lives in other applications. For example several of the Speedfactory Challengers live with 600HP, supercharged engines and they drag race them with no problems. We don't recommend drag racing with street gears but they do it.

I know that does not answer your question about HP but it is just not that simple.

[JANNETTYRACING]

Guys I have to Back What Richmond Says here, it is Fully Accurate by my experience.

Set Up and Proper installation is More Critical on this Differential than any I have seen in 30 years of setting up gears, there is No Room for error.

Proper Tools Like a Case Spreader, and Accurate pinion depth Gauge are absolutely necessary along with lots of Pattern reading experience.

The Billet main Caps Really Reduce Flex, we found several Stretched Main caps early on which lead us to make Billet main Caps for this differential.

Of coarse we all know about the weak posi units and that is where Our posi Mod comes in.

With all of these Mods We feel the Differentail with Richmond Gears can safely handle 650 RWHP As Long As you stay out of Wheel HOP, Wheel Hop will Destroy Anything including a 9 inch.

Break in Procedure we use is;
Fill the diff with 85-140 Gear oil, Run the Diff on a Jack for 20-30 minutes to put some heat in the diff, let it cool, Drive the car easy for 20 minutes and let it cool, Then proceed to drive the car easy for 3-500 miles and change the gear Oil to Synthetic Red Line 80-140 Gear Lube and a Posi Additive.

Our Posi Mod Requires a few Figure 8s in a Parking lot to break in the clutches.

Ted.