Jump to content
Chuckee

Polishing Tranny Gears

Recommended Posts

I just got my new car going. It has a big engine and runs great. But I run out of gear in 4th really quickly. I have a Mendeola S4D. So I pulled the tranny and am having a 5th gear installed. I was asked if I wanted to have the gears and ring and pinion polished. The gears end up looking almost chromed and it gets rid of all the sharp edges. I was told the tranny runs anywhere from 20 to 30 degrees cooler and makes the tranny last longer.

Has anyone done this? and what did you think?

Thanks,

Chuckee

Share this post


Link to post
Share on other sites

little shot peen, little liquid nitro...

Share this post


Link to post
Share on other sites

I dont know if I would go as far to say you will reduce run temps by 20-30 but it will reduce gear noise some and it will reduce the amount of metal in the oil during break in. We do this on the drag race transmissions for the HD and it is a nice upgrade for a pure drag racing application. I do not think you can say that it will last longer either. Very tough claim to prove. Is there an upside to this, like an extended warranty period??

The gears in a trans will mate in very quickly, just because you polish a gear does not 100% make that a 100% match for the sister gear . I guess if the cost is not much than go for it.

Share this post


Link to post
Share on other sites

Fortin polishes all of their gears, so obviously they believe it makes a difference. Also look into cryogenically treating the gears. I've heard a lot of positive feedback on that, it allegedly helps with longevity.

Share this post


Link to post
Share on other sites
little shot peen, little liquid nitro...

Exactly what I've done to get SE-R transmissions to live with 400lb-ft of torque. Works great.

A good shotpeen will give the gears a satiny finish. Do the cryo first, then the shot.

Share this post


Link to post
Share on other sites

yep yep lookin at both as we speak....first the ndt testing...

Share this post


Link to post
Share on other sites

Now cryo I will get behind we have used it and found that it does make a difference if used in the right set up. Just send the stuff to Power play he will get you the right stuff!!

Share this post


Link to post
Share on other sites
I just got my new car going. It has a big engine and runs great. But I run out of gear in 4th really quickly. I have a Mendeola S4D. So I pulled the tranny and am having a 5th gear installed. I was asked if I wanted to have the gears and ring and pinion polished. The gears end up looking almost chromed and it gets rid of all the sharp edges. I was told the tranny runs anywhere from 20 to 30 degrees cooler and makes the tranny last longer.

Has anyone done this? and what did you think?

Thanks,

Chuckee

This is a great Idea we offer this on the race car boxes.

give me a call and I'll tell you more about REM finishing & I love to discuss your S4D

post-18959-1258054073_thumb.jpg

post-18959-1258054184_thumb.jpg

post-18959-1258054277_thumb.jpg

Share this post


Link to post
Share on other sites

Part of the reason they suggested me doing it is because we are probable going to run it in a couple of off road races that are 250 to 300 miles long. Danzio swears by it and Ricky at The Wright Gearbox just finished having it done on their Albins and suggested it for mine. It's really not super expensive.

Share this post


Link to post
Share on other sites
Part of the reason they suggested me doing it is because we are probable going to run it in a couple of off road races that are 250 to 300 miles long. Danzio swears by it and Ricky at The Wright Gearbox just finished having it done on their Albins and suggested it for mine. It's really not super expensive.

Yes, it is affordable.

Make sure they tape off bearing journals,ring gear mounting surfaces, splined shafts, and do all dog rings and face plates and hubs.

Share this post


Link to post
Share on other sites

I didn't know you could add a 5th gear to a 2d. What's the cost of parts and labor?

Share this post


Link to post
Share on other sites
I didn't know you could add a 5th gear to a 2d. What's the cost of parts and labor?

He has a S4 not a 2D

Share this post


Link to post
Share on other sites

All of our gears in our trans and cv's have been polished by Mario..(909) 230 2398. He polishes for Dave Folts Trans and some others...He polishes thousands of cv's. After having all of our gears polished on our last tranny build, there has been no propblems with the tranny in three years thanks to the pheonomenal workmanship of Dave Folts, and our polished gears. example: before polish...tranny every year. After polish still going strong after 3 years.

Share this post


Link to post
Share on other sites
All of our gears in our trans and cv's have been polished by Mario..(909) 230 2398. He polishes for Dave Folts Trans and some others...He polishes thousands of cv's. After having all of our gears polished on our last tranny build, there has been no propblems with the tranny in three years thanks to the pheonomenal workmanship of Dave Folts, and our polished gears. example: before polish...tranny every year. After polish still going strong after 3 years.

thanks for the info. This makes me feel better about my decision to have it done.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

More Links

©2001 GlamisDunes.com.
All rights reserved.

×

Important Information

By using this site, you agree to our Terms of Use.