Richmond 4.10 fail

[Avalnch]

I've been contemplating a gear set and the pro shop that did my header and exhaust install (pics and results to come) said flat out "I don't use Richmond Gears". They pointed to poor quality as the main reason. So, I'll go elsewhere for my set (if it ever makes it that far).

[NicKey]

We have had two Richmond 4.10 gear failures, out of many installs.

We sent the gears back to Richmond for Rockwell hardness testing. We thought they might be to hard/ or brittle. Richmond said both gears were within specs.

[Apex Motorsports]

Originally Posted by Avalnch

I've been contemplating a gear set and the pro shop that did my header and exhaust install (pics and results to come) said flat out "I don't use Richmond Gears". They pointed to poor quality as the main reason. So, I'll go elsewhere for my set (if it ever makes it that far).

First time I've ever heard someone say that about Richmond. There will be an alternative out soon for you guys that are gun shy though.

[mcdoogle6969]

Originally Posted by Apex Chase

There have only been a handful of 4.10 failures and only one reported 3.73 failure the details of which have not been given. We have put dozens of Richmond gear sets in the 5th generation Camaro and not seen a failure yet. I'm not saying we won't, just that it's not the widespread problem people are making it seem like. I wouldn't be too worried.

I was also thinking about putting 4.10s in my L99 for the "holy shit" feeling. Think it would be too much?

[Apex Motorsports]

Originally Posted by mcdoogle6969

I was also thinking about putting 4.10s in my L99 for the "holy shit" feeling. Think it would be too much?

4.10s are too much. The auto is geared lower than the manual so 3.73 is plenty.

[streetrace]

Richmond warranted the gears, thats all I can ask for

[Qwkss]

Originally Posted by mcdoogle6969

I was also thinking about putting 4.10s in my L99 for the "holy shit" feeling. Think it would be too much?

Perfect for your L99!

Check out my Facebook page, click on CraigSS. We tuned him to over 600HP to the tire. He DRIVEs the Camaro! (ie from Cincinnati to Gatlinburg, Somerset, Indy, Daily Driver etc etc)

Holy Shit with no Oh Shit.

[2010 2-Tone]

A question for the experts out there. Lets say that launch and 60ft time was identical, what would the improvement be time wise in the 1/4 mile going from 3.45's to 4.10's?

[GQ4Life]

Originally Posted by 2010 2-Tone

A question for the experts out there. Lets say that launch and 60ft time was identical, what would the improvement be time wise in the 1/4 mile going from 3.45's to 4.10's?

curious what other mods r on the car?
what is its quarter mile time and trap speed now?

[IROCanSS]

Originally Posted by streetrace

Richmond warranted the gears, thats all I can ask for

Cool, thats how I felt, no harm no foul really.

[wbt]

Originally Posted by Apex Chase

4.10s are too much. The auto is geared lower than the manual so 3.73 is plenty.

Never fear the gear!

4.10 is NOT to much.

[Apex Motorsports]

Originally Posted by wbt

Never fear the gear!

4.10 is NOT to much.

I like the way you think, but pairing 4.10s with the auto increases cruising RPM at 70MPH by approximately 25%. If all you use your car for is racing then I say go for it, but for a lot of people that is unacceptable. The 3.73s are the way to go for most auto owners with an equivalent gain of 61 rear wheel lb-ft of torque at a cost of only 250 RPM at 70 MPH.

[mcdoogle6969]

Originally Posted by Qwkss

Perfect for your L99!

Check out my Facebook page, click on CraigSS. We tuned him to over 600HP to the tire. He DRIVEs the Camaro! (ie from Cincinnati to Gatlinburg, Somerset, Indy, Daily Driver etc etc)

Holy Shit with no Oh Shit.

Hmmm...Nitrous, 4.10s, and a cam.....THAT is taunting me.

[NicKey]

Another set of failed 4.10 Richmond gears.

At this point it seems that the gear sets are NOT faulty. More info soon.