Talk me into a transmission change...

[e philpott]

isn't the popping out of gear for the "clutchless shift" models only and not the regular face plate deal ?? ..... road racers don't have a problem...... manual wise you have to have something face plated at the minimum or you can't hit the gears

B&M does have a PG with lock up converter that's supposed to be a 3000 hp transmission , big money but makes all other PG's look like toys

I don't get how the Lenco pops out of gear anymore than a Gearvendors


for the soft lock clutches you need a data logger to speed up the learning curve , having Tim Hyatt's phone number sure wouldn't hurt either for a good base line and technical info

[Nightmist66]

The face plate lugs should be similar to the one below. This is what I have planned for my toploader when the time comes. Notice the lugs have a tapered edge to hold them together to prevent popping out of gear.

[jayb]

isn't the popping out of gear for the "clutchless shift" models only and not the regular face plate deal ?? ..... road racers don't have a problem...... manual wise you have to have something face plated at the minimum or you can't hit the gears

B&M does have a PG with lock up converter that's supposed to be a 3000 hp transmission , big money but makes all other PG's look like toys

I don't get how the Lenco pops out of gear anymore than a Gearvendors


for the soft lock clutches you need a data logger to speed up the learning curve , having Tim Hyatt's phone number sure wouldn't hurt either for a good base line and technical info

According to Liberty when I spoke with them about this a few years ago, all of their 1000+ HP transmissions will come out of gear on decel.

A Gear Vendors overdrive uses a cone clutch, completely different design than a Lenco. 

I wasn't aware of that B&M transmission Eric, I'll look into that one. 

[e philpott]

the lock up is built for the application in the ATI , the more horse , the more lock up clutches ...... the more the lock-up clutch's , the more require extra adapter plates to allow room for the extra long converter , it spaces the trans back for the extra clutches in the lock up unit


it's not B&M but ATI 
http://www.atiracing.com/products/trans/pg/index.htm

[plovett]

My opinion:

Use a tranny that is reliable and consistent.  You're talking about racing, not just having fun.  I know at your level this may sound crazy, because you have certainly raised the bar, but it's still simpler and better to increase hp or reduce weight, rather than monkey-ing around with fancy, and more complex (broken), transmissions.  You have so much power to weight that, in my mind, mechanical efficiency is not the prime consideration.  Putting the power to the ground consistently is.  If mph at the traps were the issue, then I might say something different.

If you can get a lock-up convertor to work, great.  If not, focus on hp and weight, or a different conventional torque converter.

JMO,

pauiie

[machoneman]

Dragzine on Pro Mod 'Glides:

http://www.dragzine.com/tech-stories/drivetrain/how-3000-hp-capable-pro-mod-powerglides-are-built-at-ati/

[FElony]

Aren't there any 9-second Super Stock cars running C6's? Seems to me that's the wavelength to be on.

[57 lima bean]

Ring out the combo you have now.There IS more in it.

[Drew Pojedinec]

Seems simple for me....
If you want to keep racing it like you do, stick with what is already working for you transmission wise.  Just tinker around with the converter for changing mild effects.

If you wanted to just drive it around and weren't so serious about ET's a c6 is a no-brainer.  Don't believe the c6 is used in racing?  try visiting the 460 forum sometime   Some of those boys have obnoxiously powerful car with a c6 behind it.

otherwise I'm with LimaBean,  I mean, your car is fantastic, but it is still kinda sorta a new build, tuning wise.

[thatdarncat]

Ring out the combo you have now.There IS more in it.

I'm on the side of Lima Bean's advice, but for the purposes of this discussion...

Aren't there any 9-second Super Stock cars running C6's? Seems to me that's the wavelength to be on.

Most of the fast Ford FE Stock & Super Stock racers have been running the ProTrans, C6 case with custom internals based loosely on the torqueflight. I'd certainly talk to them, not sure if anyone is running them past the 1000hp level. Their website can be kind of hard to find, lots of companies with the same name.  Here's a link:

http://www.protransracing.com/index.html

[fairlanegt427]

I don't have a super stock car but I do have a 2550 lb all moly falcon with a c6 and a 482 pond motor.  it ran 9.45 and I know theirs more in the car.  but when I was getting into this stuff long ago that was all their was for the fe, other than a 4speed.   this off season I am looking to upgrade to a p/g I am going to swallow my ford pride and just do it,  im to the point where I just want to go rounds and put chevys on the trailer.  the learning curve is finding the right convertor combination that the car likes as we all know.   that being said Im pretty safe in saying jay that you have had your engine dynoed also.   it was the best 1000 bucks I have ever spent on this car stuff,  barry did it for me when he built this motor for me.   what is the greatest is I called coan told them all the car weight hp etc etc and sent them dyno sheets and wow that convertor doesn't miss a beat it locks up where it should and I only had to buy 1.  I believe you should play around with different convertor stalls(obviously) before you spend all that money on a stick tranny jmho. no offense stick guys. a friend of mine uses frank lupo convertors and I am very impressed with those also just food for thought.  plus if you do get rid of that glide you have I would definitely be interested in it.

[thatdarncat]

One issue I'd see in Jay's situation, switching to something like the ProTrans, is I don't know that there is an aftermarket SFI C6 case ( and bellhousing ), that means adding a transmission shield and flexplate shield and that means probably adding more weight along with the hassle and drivetrain clearance issues. It would be a question I'd ask.

[Drew Pojedinec]

Hmmmm, to me this appears to be a perfect time for Jay to get his dyno to attach to the output shaft of a transmission or 1350 yoke.

"The Great Transmission Comparo"

(sure would put a heck of a lot of myths about consumed HP to rest)

[fairlanegt427]

that's what stinks about the c6 also is the flex shield for the fe isn't even close to fitting and its a tci,  I had to cut off half the tabs and re weld to fit the fe,  also the transmission shield that ati has is about the same bad fitment for the fe also, (at least its aluminum)    also the weight savings on the powerglide as opposed to c6,  that's a big chunk saved because you can just have them build it in the sfi case and no more shields

[e philpott]

Jack Miller uses the gear vendors to control down track rpm on his PG