Alright guys I’m leaning towards pulling my trans and rear out and replacing it with ZR1 pieces. I figure pull it out while it’s working and at least I can get something for it. I’m not gonna to fix it if I break it.
My car makes 700-ish how necessary are sprayers in these things? I don’t do 1/2 mile or real long highway pulls but I’ve been reading that the front 1-4 gears can be starved for oil under hard straighline acceleration. I’m not really wanting to drill and weld in a brand new transmission but to save it I would. Like I said definitely not a max effort build here, it’s a street car. Thoughts on trans sprayers in this set up?

 

Just saying there is a lot of guys out that don't do any modification to the trans and there fine. Did you read somewhere this is a big problem??

 

I don’t personally think it’s a big problem at my power level but what do I know really? I did a search and read a couple threads regarding the topic as well as this article in hotrod magazine.
https://www.hotrod.com/articles/buil...andle-1200-hp/
My car would basically be a bolt on ZR1 so I’m leaning towards no this shouldn't be issue for me but I like to double check with people a little more knowledgeable.

 

Call Rodney at RPM and he should be able to advise best.

I'm looking for a zr-1 tranny. I was searching around and saw he stuffed a c7 ZR-1 7 speed into a c5 by shortening the driveshaft and torq tube.

I found a cheap box and am starting to drool over this swap. The newer gear boxes seem pretty strong, but unless you like the stock rear gear, no bueno

for me it's perfect. I like the idea of a long 1st gear pull and hopefully NOT tearing up a stock tranny.

I think the sprayers might be a very good idea for mexico runs and road racing where the car is spending a long time at WOT

Not sure it's needed for your application

 

Pumba also did a 6070 swap in his C5 a few years back (might've been the first one).
talk to Bret (blownbluez06); he built a spray bar setup for his 6060 that (i think) runs off the stock pump.

 

Thanks gents, I see a 6070 out of a 19 ZR1 on eBay if you’re interested. Also, after re-reading Xlevanx swap I see that he looped the lines on the trans. So I’m assuming they already have factory ‘spray’ set ups and u can just by pass the cooler if you have it. I just watched a video on YouTube and a 5th Gen Camaro owner was talking about this very subject and said the line incoming from the cooler is pointed at the countershaft and low gear cluster. In this case there’s no need for me to anything with it. Going to have to confirm with Rodney or Rick, perhaps not all the 6060’s have this set up.

 

I'd keep the tranny cooler though. Alot of people loop it as you say which works fine but I like the idea of mexico runs with this box

 

Haven't done a 6070, but I don't expect it to be an eventful job. I used an external pump on the spray bar for the 6060. Since I went to the sequential, I sold it to a guy in Austin. .If I ever get caught up, I might make a kit for it.

 

Ill buy one.. Hopefully you get to it by Summer time... Doing a 6060 swap as well here soon.

 

interested in the 7 speed The LT5 ZR-1 box has to be pretty beefy and the stock gear ratio will work for me

can we slap a 7 speed into a c6 or c5 cradle?? I like the idea of the c6 ZR-1 close ratio box too as 6th gear is now right for top end pulls .64 or something like that

I'd sure settle for that. My current dual clutch t56 is holding up but I granny the car most of the time and try to avoid any wheel hop.

 

again, look up Pumba's build. can't remember what all he tweaked to get his 6070 working, but he documented most of it a couple years ago.

 

He wentthrough RPM which I believe shortened the torque tube.
https://www.corvetteforum.com/forums...-a-c5-z06.html

 

@Rkreigh you can build any T56 or 6060 with the gearing you prefer if top speed pulls are your thing. Your red line VS these other engines is going to determine gearing preference as well. I obsessed probably too much recently before plunking a big tub of change on a custom 6060 build/swap (Edit: allow me to plug Jason @ Texas Drivetrain Performance for the build, which did include sprayers for 3rd and 4th) with built C6Z carrier as well. I took the experienced advice of Bret @BLOWNBLUEZ06@RKT Performance for my build that I DID, in fact, want the base MM6 first four gears for acceleration at the track. While I did opt to keep a .5 6th gear for cruising, I went with a .8 5th to have an edge in street pulls. With a 7k rpm red line that on its own will pull all the way to 200 on my street tires if I ever decided to go insane again. Once was enough, no need to risk it ever again outside a track setting.

For anyone seeking C6 ZR1 stuff instead... The often overlooked ME2 transmission which was the base transmission in the last two years of production has essentially the cool highway gear ratios of the MH3 in the first 4 gears and the .74.and .50 for 5th and 6th. But! If you are looking to source a brand new gm trans, I confirmed that Pace is selling these new for like $2950!!! So if finding one is a pain, geab one of these and send it for sprayers and make 5th and 6th whatever you want them to be. And probably STILL spend less than finding and building an MH3.

Food for thought. I had also made my own spreadsheet to play with gearing and tire options to determine shift points, speed, and equally important the RPM drop between shifts for your powerband. Make it your own and just plug in the C7 ZR1 transmission gearing in column B and add that 7th gear. If you find any of my calculations can be improved, please let me know. I made the sheet because I tried using websites with calculations for info and none of them did everything I wanted.
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Spreadsheet is Here

You'll have a fun build either way!

 

Here is a great gear ratio calculator with a bunch of preloaded transmissions. Very easy to change tire height, gearing, and just 5th or 6th gear ratios/RPM etc.
http://www.gearcal.com/

 

I have been looking at this as well. For once a part is cheaper in Canada. They are $2900 over here which works out to about $2300 USD. It’s a no brainer for me. I wouldn’t care about how tight 5 and 6th are as I don’t make it past 4th. Wouldn’t the ME2 have a pump/sprayers built in from GM? The differential is almost twice the cost of the trans which I don’t really understand.

 

I think they have a pump that pumps the fluid back to the front of the trans. The pumps and spray bars that people add spray directly on to the gear stacks to ensure they remained lubricated.

 

Thanks for the info🍻 I don’t think my car is sprayer worthy. Seems like that’s a big powa necessity.

 

the me2 looks really good and I've found that gear box brand new uber cheap. The c6 cradle and control arms don't look too horrible and the T6060 box looks like it can be built up to the godzilla torq capacity needed.

I went auto on my z06 tt to hold the big torq and make it easier to drive. But losing the stick really did loose the enjoyment for me too. The car is fast, but the auto box just doesn't cut it.

I think the Me2 6060 might be the hot ticket. I found these on the net for under 2k new which seems like a bit too good of a deal. Did GM make too many of these boxes or something? This tranny seems to be discounted and a very good deal.

I don't think I can post links to those sites, but search on t6060 me2 for sale and you'll pop your eyes how cheap and good these trannies are.

Another gent opined that the t56 out of the early c6 is a bolt in and bit higher quality?? I haven't broken my tranny yet but with the big torq and tires, it's a clear cut risk.

If I hit the lottery, I'm going to brent for the sequential murder box. That thing will handle anything I can throw at it, but the rest of the drivetrain would likely cost almost as much as the paddle box.

I'll settle for what I can afford. When you are racing, you drive it like you stole it and that's where it will fail.

 

Really the oil movement will be biggest under heavy launch and shortly thereafter.....so if that's you, maybe a spray bar might be nice. Essential ? probably not.

Does seem odd though that the stock 6060 has it, yet even the aftermarket Magnums do not ( even Grannas Supra running 6's, I've seen no mention of them with such a setup on a Magnum )

That said, Tick do a very nice billet front plate with spray bar feature for an external pump that looks to be a superb job that directs oil into the first few gears at the front.

 

Stock tr6060s dont have it. Pretty sure they only have a system that moves the fluid back to the front of the case. A sprayer will spray directly onto the gears. Also long highway pulls will pull all the fluid to the back of the trans, causing the gears to loose fluid and get hot.