Drivetrain Transmission, LSD, Clutch, Driveline, Axles...

FINALLY an option for us f35 guys. READ!

Old 06-05-2011, 11:15 PM
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Originally Posted by HHRSSouth


I bought and installed a Shepard Racing Stage 3 with 4 spider differential and Evo III upgrades in my 1990 AWD Eagle Talon TSI. You can see pictures of the car in the background in my photo album that has the Grand National pictures.

Have you ever even owned or drove a car with a Shepard transmission or are you spewing **** you find on the web?

To be honest you probably could have had the exact same custom F35 transmission made cheaper if you would have went with TRE or Jacks Transmission.

As far as ZZP, I believe they hold all the records for the Platform both supercharged and turbocharged.
They use what they market and sell in there own shop cars.

Does Shepard own a vehicle that uses the F35 transmission and race it?

Big difference when the guy building them is racing the cars they are made to go in.

With all that said I'm gald someone else is trying to make a upgraded trans for the platform, I just want results before I jump on board with someone who does not race anything with a F35 transmission it.
I completely understand what your saying as being on the consumer side.......But I gotta play devils advocate here cuz I think a lot of people are gunna say similar things.


So a racing transmission specialist wouldn't know what to do if he didn't drive the car? So your point is that if he doesnt race it, he doesn't know what he is doing. I am confused on how someone could nail one transmission, and then take the similar laws and physics to another application, test it, and then be satisfied enough to stamp there name on it. Again, I get your point and I dont necessarily disagree, but because they dont race F35's doesnt make me any less interested.


I like how all potential product threads always end in a "well they have to prove this or that or im not buying it". Ok, good point, but thats your decision. I think we can see that what we have now isn't a better option right now.


Anyway, any updates on it?
Old 06-05-2011, 11:20 PM
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Bump for updates
Old 06-05-2011, 11:39 PM
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I'll work on updates tomorrow boys!

Might give him a call. I don't prod too much he's a super busy guy and just came off a couple race weekends
Old 06-06-2011, 12:07 PM
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Many valid points being made here, although I'd still like to see a price before I consider it. I can only speak for myself but I can't disassemble a transmission, so I'd send it in as a whole unit, and not to mention shipping that thing would cost a pretty penny too.. So if it ends up being decently priced, I may do this.
Old 06-06-2011, 12:54 PM
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Originally Posted by Trent
Many valid points being made here, although I'd still like to see a price before I consider it. I can only speak for myself but I can't disassemble a transmission, so I'd send it in as a whole unit, and not to mention shipping that thing would cost a pretty penny too.. So if it ends up being decently priced, I may do this.
Shipping a trans is cheaper than you think. I just shipped mine to zzp for my stage 2 build and it was 76$ through the UPS store. Weight was 96 pounds.
Old 06-06-2011, 02:36 PM
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OMG insane!! Like I said I didn't have enough experience to make a worthy comment, but that's awesome! So how does it work then, send in the whole trans and they do the work and reassemble it and ship it back?
Old 06-06-2011, 03:09 PM
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Originally Posted by Trent
Many valid points being made here, although I'd still like to see a price before I consider it. I can only speak for myself but I can't disassemble a transmission, so I'd send it in as a whole unit, and not to mention shipping that thing would cost a pretty penny too.. So if it ends up being decently priced, I may do this.
Not to be rude or anything... but this thread is concerning the F35 that comes in the SS/SC, SS/TC, and HHR SS...

Your sig says you have an SS/NA which has the F23 trans, which is quite a stout transmission, and has a decent aftermarket following, iirc.
Old 06-06-2011, 11:25 PM
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Originally Posted by Trent
OMG insane!! Like I said I didn't have enough experience to make a worthy comment, but that's awesome! So how does it work then, send in the whole trans and they do the work and reassemble it and ship it back?
Yes that is exactly how it would work.

UPDATE GUYS!!!

Price has been released on the first ten gear sets. We are going to start with ten for now and see how that goes.

Price for 3rd and 4th gear, both gears (primary and secondary shaft), will be $1650 and $250 for install. If we do a bigger run on down the road we can save $250 on the gears. I know many of you are interested and I hope this price sells you guys.

The first ten should go fairly quickly after that we can start another list, a more official one. If we get enough the price will go down significantly.

Quote from Shep: We are facing a huge uphill battle with the weak US dollar though. We can only hope that it does not get worse which will raise the prices even higher.

These gears may have a slight whine due to the tooth profile we will need to use. This can be helped by surface grinding the gear ar $30 per gear (x4 gears) We would need to do at least half of the batch to get this done.

Ordering info will be up soon. I'm going to start talking to John about pre orders tomorrow. Thanks guys!
Old 06-07-2011, 01:37 PM
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Originally Posted by terry11
Yes that is exactly how it would work.

UPDATE GUYS!!!

Price has been released on the first ten gear sets. We are going to start with ten for now and see how that goes.

Price for 3rd and 4th gear, both gears (primary and secondary shaft), will be $1650 and $250 for install. If we do a bigger run on down the road we can save $250 on the gears. I know many of you are interested and I hope this price sells you guys.

The first ten should go fairly quickly after that we can start another list, a more official one. If we get enough the price will go down significantly.

Quote from Shep: We are facing a huge uphill battle with the weak US dollar though. We can only hope that it does not get worse which will raise the prices even higher.

These gears may have a slight whine due to the tooth profile we will need to use. This can be helped by surface grinding the gear ar $30 per gear (x4 gears) We would need to do at least half of the batch to get this done.

Ordering info will be up soon. I'm going to start talking to John about pre orders tomorrow. Thanks guys!
cool so he is only upgrading 3rd and 4th? Also, what kind of estimated power can it handle?
Old 06-07-2011, 01:42 PM
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w00t im off i said 1k =p
Old 06-07-2011, 01:51 PM
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Originally Posted by USMCFieldMP
Not to be rude or anything... but this thread is concerning the F35 that comes in the SS/SC, SS/TC, and HHR SS...

Your sig says you have an SS/NA which has the F23 trans, which is quite a stout transmission, and has a decent aftermarket following, iirc.
great fail on my behalf.. Glad I checked anyway because I followed some links and read up on some of the mods you guys are doing.. sorry for the mis-read.
Old 06-07-2011, 02:30 PM
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The 1650 pricetag will definitely stop some people since the ZZP stage 2 can be had for like $950. That is the only issue I forsee. Still a good deal on an upgraded trans though.

Originally Posted by Trent
great fail on my behalf.. Glad I checked anyway because I followed some links and read up on some of the mods you guys are doing.. sorry for the mis-read.
Everybody is learning here dude, dont feel bad....
Old 06-07-2011, 07:02 PM
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Would be sweet if it would hold up to a 500whp NLS Hahaha..
Old 06-07-2011, 07:39 PM
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Originally Posted by Baron7700
cool so he is only upgrading 3rd and 4th? Also, what kind of estimated power can it handle?
I'm wondering the same as well
Old 06-07-2011, 07:44 PM
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Im not out yet as I knew how much it would cost but to me it seems steep for only the replacement of 2 gears but I'm still subbed and waiting for more info. A couple of weeks ago this would have been an instant buy but money is getting tighter as I am getting the remaining parts I need.
Old 06-07-2011, 07:44 PM
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Originally Posted by FF_ace
I'm wondering the same as well
I am thinking that's all. We will see what 1 and 2 can hold I guess. Nobody seems to have a problem with 1 and 2 though.
Old 06-07-2011, 08:42 PM
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Yes guys 3rd and 4th are the gears that will be done. Sorry if I was unclear on this. Keep in mind there are actually 4 gears inside that have to be reengineered to make 3rd and 4th stronger.

Power wise John was shooting for 600 hp. He was trying to profile them the same as the replacement gears he just recently made for the evo's. They are currently holding 600 awhp all day long.

Cmiller is right about first and second being very stout. Keep in mind guys that a lot of the problem isn't third gear itself, but as you shift up, the gear itself gets smaller which in turn makes it weaker just by the lack of sheer size. Not to mention we are in third for a long time and it's stressed more than the others.

We are trying to fix the problem we have as well as keep the price as reasonable as possible with the economy how it is right now. Our goal is to make a trans as strong as we can for you guys for as little as possible. Not to knock zzp at all, but as far as I know their stage 2 trans has the exact same gears in it as stock.

I talked to Shep today and our next step is to get a minimum of ten guys and a 50% deposit on the gears before they are made. Which would be ($825) If we get enough guys the price would come down significantly. But lets just work on ten for now.

Quote from John:

Surface grinding is just icing on the cake. It does not affect the reliability of the trans. The only benefit to surface grinding is that they can be a little quieter. With the aggressive tooth profile they will need to use there may be some whine in 3rd and 4th gears.

The fun part is getting 50% down from each person which would be $825 from a minimum of 10 people

At that point we will ship the gears with the shafts via international priority for them to set them up to get the proper distances and spline fitment. Pretty standard procedure from here. Then we wait.
Old 06-07-2011, 09:01 PM
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lets say we got the 10 sets deposits paid for tomorrow what kind of rough eta are we talking here. Just want to get an idea as I would have to get the other half of the deposit and either another trans or have my car down for a certain amount of time.
Old 06-07-2011, 09:02 PM
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Originally Posted by pimpnwink
lets say we got the 10 sets deposits paid for tomorrow what kind of rough eta are we talking here. Just want to get an idea as I would have to get the other half of the deposit and either another trans or have my car down for a certain amount of time.
I'll let you know as soon as I can. That is a good question
Old 06-07-2011, 09:22 PM
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Also if he is remaking 3 and 4 is there a way he could decrease the ratio? Like getting third to end at about 100 if your revving to 7500? and then make fourth at one to one? Not sure if all that means a whole bunch more work or since he is already making new gears if it wont be to bad.
Old 06-07-2011, 09:32 PM
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Originally Posted by cmiller8006
Also if he is remaking 3 and 4 is there a way he could decrease the ratio? Like getting third to end at about 100 if your revving to 7500? and then make fourth at one to one? Not sure if all that means a whole bunch more work or since he is already making new gears if it wont be to bad.
What would the ratio be for third to end at 100mph/7500rpm

I can ask him if that would be at all possible.
Old 06-07-2011, 09:46 PM
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Originally Posted by terry11
What would the ratio be for third to end at 100mph/7500rpm

I can ask him if that would be at all possible.
I am not to sure. I think it is at like 1.18 now, so prolly around a 1.35 or so would be good. For anyone looking to drag race or road race that would be a good ratio.
Old 06-07-2011, 09:59 PM
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I e-mailed him about this. He usually gets back to me the next day so i'll let you know tomorrow. I wouldn't mind that either
Old 06-08-2011, 12:15 AM
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All you guys are just dreaming too high, 7500 rpms!! lol, you shouldn't be putting so much attention at your tranny but to your engine internals, what good is a tranny that can go that high if the engine wont tolerate it? You will also need 500 whp to benefit from 7500 rpms on an aluminum block 4 banger engine, then you'll have to worried about your sleeves taking a ****. Not to mention replacing your seals every 2 months.

Anyways, you know I'm just talking **** right? jaja
Old 06-08-2011, 12:30 AM
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Originally Posted by MTE
All you guys are just dreaming too high, 7500 rpms!! lol, you shouldn't be putting so much attention at your tranny but to your engine internals, what good is a tranny that can go that high if the engine wont tolerate it? You will also need 500 whp to benefit from 7500 rpms on an aluminum block 4 banger engine, then you'll have to worried about your sleeves taking a ****. Not to mention replacing your seals every 2 months.

Anyways, you know I'm just talking **** right? jaja
Cmiller and I are built and have the necessary parts to rev to 8k if we want also running pte 5857 that can support up to 600hp

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