Straight cut gearset and faceplating discussion and info thread
01-10-2011, 10:19 PM
#1
Straight cut gearset and faceplating discussion and info thread Ok guys we were crapping up the other faceplated T56 thread so I started this one. I will post more info in the morning on prices, gear ratios and whatever else you guys want to know.
Thanks guys!
EDIT: Here are a few pictures. One of the aftermarket straighter gear set vs a stock gear set and one of a faceplated gear vs a stock synchronized gear.
Thanks guys!
EDIT: Here are a few pictures. One of the aftermarket straighter gear set vs a stock gear set and one of a faceplated gear vs a stock synchronized gear.
Last edited by Jeremy@RPMTransmissions; 01-11-2011 at 10:30 AM.
01-10-2011, 10:38 PM
#3
Well in all honestly "straighter" is a good way to put it. They aren't spur gears, but a straighter gearset with larger teeth. I think I might still have a couple of straighter cut gears at the shop. I will take some pics tomorrow and post up the difference.
01-11-2011, 07:26 AM
#5
Well your wait is over 
Ok here is the skinny on the aftermarket gear sets. There are 3 different 1-4 ratios to choose from.
1st 2.97 2.71 2.62
2nd 1.99 1.78 1.73
3rd 1.35 1.30 1.35
4th 1.00 1.00 1.00
They are $2250 for synchronized gearsets.
They also carry 5th/6th gearsets as well. They have 2 different ratios available.
5th .89 .86
6th .79 .79
The 5th/6th gear sets are $850.
We can also omit 5th and 6th for guys who are stricktly drag race and don't use 5th and 6th gear at all. It will cut some weight out of the trans.
If you have any more questions post up!
Ok here is the skinny on the aftermarket gear sets. There are 3 different 1-4 ratios to choose from.
1st 2.97 2.71 2.62
2nd 1.99 1.78 1.73
3rd 1.35 1.30 1.35
4th 1.00 1.00 1.00
They are $2250 for synchronized gearsets.
They also carry 5th/6th gearsets as well. They have 2 different ratios available.
5th .89 .86
6th .79 .79
The 5th/6th gear sets are $850.
We can also omit 5th and 6th for guys who are stricktly drag race and don't use 5th and 6th gear at all. It will cut some weight out of the trans.
If you have any more questions post up!
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01-11-2011, 10:15 AM
#8
Would be a bad *** setup for sure. With those gears you wouldn't need to start with a TR6060 tho if you used the aftermarket gearset. Yea we can faceplate a T56 Magnum but it is a LOT more expensive because they faceplate 1/2,3/4 and 5/6. The faceplating also comes with new machined bronze alloy shift forks because the synchro assembly is so narrow in the TR6060/Magnum they have to redesign the way the sider is held in the forks were the T56 you can reuse the stock forks.
01-11-2011, 10:38 AM
#10
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So these are not actually straight cut (spur) gears like a real racing trans, they're the 22 degree helix angle (M22 stuff)? I'm assuming these are nickel alloy gears (9310)? Are these the G-force gears? Face plating is welded on then for addition cost?
Edit: just saw the pictures you added....
Any info on the Pfitzner gear sets? They're already face plated, 9310 and 22 degree.
Edit: just saw the pictures you added....
Any info on the Pfitzner gear sets? They're already face plated, 9310 and 22 degree.
01-11-2011, 10:44 AM
#11
So these are not actually straight cut (spur) gears like a real racing trans, they're the 22 degree helix angle (M22 stuff)? I'm assuming these are nickel alloy gears (9310)? Are these the G-force gears? Face plating is welded on then for addition cost?
Edit: just saw the pictures you added....
Any info on the Pfitzner gear sets? They're already face plated, 9310 and 22 degree.
Edit: just saw the pictures you added....
Any info on the Pfitzner gear sets? They're already face plated, 9310 and 22 degree.
Last edited by Jeremy@RPMTransmissions; 02-02-2011 at 07:42 AM.
01-11-2011, 12:58 PM
#12
01-11-2011, 02:54 PM
#15
Faceplated transmissions can develop burs on the welded on star flanges (if you damage a gear a new flange can be welded onto the gear). I put 3000 street miles on my faceplated transmission and opend it up and found the faceplates to still be in perfect condition. If you shift them propperly you won't get nearly as much wear as if you let them bang around and kick out of gear.
01-11-2011, 03:17 PM
#16
ok, What dose the most wear? Getting in into 1st when the car is still rolling? I can see that happening alot in stop and go. You should come to a full stop right?
Racing so you still use the clutch right? But you can WOT shift easier? dose that burr them up?
So did you change any parts when you had it apart, or is it still all good? I out about 6-8K on a year. But 2K is to the shootout so its easy miles. It's been 3 years of racing (t56rebuilds rebuilt it when I bought the car) I'm thinking about getting the trans looked at over the winter. thanks jeremy
Racing so you still use the clutch right? But you can WOT shift easier? dose that burr them up?
So did you change any parts when you had it apart, or is it still all good? I out about 6-8K on a year. But 2K is to the shootout so its easy miles. It's been 3 years of racing (t56rebuilds rebuilt it when I bought the car) I'm thinking about getting the trans looked at over the winter. thanks jeremy
01-11-2011, 03:24 PM
#17
And how much ET. 60' can I pick up with the better gear ratio, then the stock t56? I know 1st is kinda tall. But heard the gto MN6? gear set has a better 1st but the rest is not spaced right to really run any faster? whats the deal on that?
Last edited by studderin; 01-11-2011 at 03:30 PM.
01-11-2011, 03:56 PM
#18
ok, What dose the most wear? Getting in into 1st when the car is still rolling? I can see that happening alot in stop and go. You should come to a full stop right?
Racing so you still use the clutch right? But you can WOT shift easier? dose that burr them up?
So did you change any parts when you had it apart, or is it still all good? I out about 6-8K on a year. But 2K is to the shootout so its easy miles. It's been 3 years of racing (t56rebuilds rebuilt it when I bought the car) I'm thinking about getting the trans looked at over the winter. thanks jeremy
Racing so you still use the clutch right? But you can WOT shift easier? dose that burr them up?
So did you change any parts when you had it apart, or is it still all good? I out about 6-8K on a year. But 2K is to the shootout so its easy miles. It's been 3 years of racing (t56rebuilds rebuilt it when I bought the car) I'm thinking about getting the trans looked at over the winter. thanks jeremy
You do still use the clutch but the WOT upshifts are flawless. When WOT shifting it shouldn't burr them up because you are shifting fast and agressive so the flange and slider don't have the change to clash.
When I inspected mine I didn't replace a thing. I put it back together and put it right back in the car. If it is driven propperly I don't see why you couldn't get 2-3 season out of a faceplated trans without having to open it up.
IMO the M6 ratios are the best ratio available for drag racing. The GTO gearset has a lower 1st,2nd and 3rd than the M6 ratios that the f-body came with.
