thesubfloor

I have absolutely no idea what you just tried to say and I'm sure I'm not the only one who thinks that.

double06

Keep chiming in guys. I think also the Z06 rear is stronger in road race applications too?

Joe_G

The integral cooler is a necessary item. I have a diff temp gauge and it gets to 275 on the highway, on track I was seeing 300. It was what cause me to come in as I dont like to take fluids above 300.

homel01

I'm in

Mopar Jimmy

The RPM $3,000 unit they build for C6 Z hooks up to the integral cooler but we need something WAY MORE AFFORDABLE!!

Joe_G

Agree! A bullet proof brand new 9" ford drum to drum is $2500, no core. Sometimes the vette tax gets me.

But on the other hand we need to keep our r&d shops in business. It's not easy to stay in business these days so we need to show our support when we can. Not much r&d needed anymore on a 9" ford rear.

Cachet_kid

i'd take a set also

Ragtop 99

I had no idea it was getting that hot in normal driving.
How long does it take to get to 275* on the highway.
Did going from 3.42s to 3.90s/4.10s make a noticeable change in temps?

Joe_G

Yes I was surprised. Good questions.

1. Takes about an hour. Stays there as long as you are on highway, doesn't go any higher. Cools down pretty quickly once you get on side streets. Only gets about 150 or less in city driving. Is speed related.

2. I can't say, as I did the gauge after I went to 3.90's. No change from 3.90's to 4.10's.

SL33PER

Are you dead hooking with that power? I doubt it. The Subfloor cuts 1.4xx 60 ft times while pulling the wheels off the ground....over and over.

WeaponsGradeTorque

I'd love to have them. count me in.

sdunn

Gentlemen.....how bad do you want 3.90's? I have a 2006 Z06 with the RPM Differential with 3.90 gears. they are truly a blast. When you hit second gear with these, it is unbelievable. You will definitely have the edge in others. 3rd gear pulls like second and 4th pulls like 3rd. I have used these with my 550 rwhp for the last year and have seen 10.7 timeslips. I have new plans on power levels and want to go back to 3.42s. You will not have to pay the $3500 I paid to get this. I am looking for $2000 plus the cost of the swap. Please contact me if you are interested. My phone number is 52-970-8417 and my email is sdunn29@yahoo.com.

TRINIC5

1.4 is not good enough because I do 1.41, 1.38 and 1.35 all day long.

TRINIC5

The rear you have is not a C6 Z06 rear but a C6, it will work on the car because it was custom made, now as you said you had fun with the rear and I am sure you never broke it, so the guys who talk about strengh just don't understand, the rear end are still capable of handling almost anything you can throw at it, I did it and never had an issue.

lane_change

PM sent.

double06

I think what we would like to accomplish here is just buy the gears and put them in versus a whole new rear that at the end of the day is not as strong as the Z06 - ZR1 Rear. I think for road racing the extra fluid and other things make the Z06 rear better also than the C-6. So this is not just for drag racers. Someone called Motive did they get back on when they might have these out?

rattt g

or you could just swap to the new tr6060 that rpm is selling
with the 2.97 1st gear, that is the same the as putting 3.82
gears in the rear, and you still have your z-06 heavy duty rear

sdunn

I agree completely that you can throw any amount of power at the stock c6 z06 rear. I simply liked the gear because you can feel it at the seat of the pants. With power below 600rwhp, I would definitely recommend these. Obviously you are multiplying your torque faster and it is noticeable. It will be more noticeable than any other mod you do to your car besides a power adder. In mexico, I have raced other c6 z06s with the same rwhp, 100 more rwhp vettes with superchargers and turbos and have slaughtered these cars. By the way, my 10.7 pass was with a 1.90 60 ft due to back track prep on 315/30r18 drag radials. i have also ran 10.9 on my 20 inch HREs with Nitto 345/20 with 2.20 60 fts.

Joe_G

Isn't that $4000 for the trans alone? Expensive mod.

By the way after watching you launch, I agree that you can throw anything you want at the c6Z rear....

If I had one in my car I would not switch it. No way. C6 and c5 rears can't take near what the c6z rear can.

TRINIC5

That transmission gears are only good on first gear for a drag racer but after first gear the RPM drops more with that transmission than the oem Z06 transmission, and for drag racing, a NA car will take too much to build back up the RPM drops, now for track course and drag racing I can see the C6 Z06 transmission being the better and closer ratio transmission.

C6 Z06 GEAR RATIO C6 Z51 GEAR RATIO
1st gear....2.664 1st gear.....2.966
2nd gear....1.783 2nd gear....2.066
3rd gear....1.302 3rd gear....1.426
4th gear....1.000 4th gear.....1.000

The difference between 1st and 2nd in the Z06 transmission is .881 and the Z51 is .900 now 2nd and 3rd gear in the Z06 is .481 when the Z51 is .640 a big drop in RPM and 3rd and 4th the difference in the Z06 is .302 while the Z51 is .426
Why raise the first gear taller and then loose between each gear after first, maybe GM knew what they were doing hence the reason they have these gears in the C6 Z06
But then again, Mitch who knows more than GM engineers always know what's the best and what will do better, hence the reason....., well I will leave it here with all the nitrous.