Sensible Street DD combo

 

Waiting for numbers

 

494/462 mustang dyno my guess.

 

Sorry fellas ran into BIG FIGGIN problems. I don't want to talk about it til I have a word with Spohn tomorrow.

 

Driveshaft eh.. you've got me wondering what's up with it.. I thought my PST ds was out of round but it was the yoke and bearing caps not centered causing a drive line vibration. Hope you get it solved asap.

 

Sounds like a great well thought out build. Regardless of what it makes, I'm sure it will be a blast to drive.

 

Yeah being on a mustang dyno, Id guess 480-500 rwhp... 440-460 rwtq.

As most have said, its just a number... go out to the track and see what it can really do!

 

Subscribing for results. I am building a 441 with ls3 heads, (wegner motorsports ported) Sleeved ls3 block, ls3 intake, and the same cam. A friend of mine just got done with a GTO and 441 ended up making 520, smaller cam, but has stock h-pipe with resonator, thinking that is the problem. Very curious on your results

 

Well fellas here is what happens when using a Spohn, I contacted them and I told them what happened and I sent the pictures you see below and the you'll see their response. I ordered this d/s through the ws6store and as you can see I ordered the one that applies to me. Spohn's defense is you should of measured and that strapping a car on the dyno causes "stress" well no kidding but more that being on a street? Really? Well then if I have to measure why would they sell their d/s's as stock lengths? And ready to ship? Or th400's or 4L60's or power glides ? If you still have to measure?! I also called PST abd strange this morning and they said they DO NOT make theirs shorter! They both said they make it to exact sizes this Now I'm out a Trans with no days off because of these NATO clowns and All cops have to be on the streets or close by! All I wanted was to have my car ready by memorial day weekend to celebrate it with my family!
What do you guys think?

From tech@spohn.net

The output shaft on your transmission broke, it's actually a very common occurence when strapped down to a chassis dyno. A chassis dyno places a lot of stress on the drivetrain.
The output shaft on your transmission broke, it's actually a very common occurence when strapped down to a chassis dyno. A chassis dyno places a lot of stress on the drivetrain.

It had nothing to do with your driveshaft. The driveshaft is exactly as it should be from your pictures. They are supposed to be a bit shorter than the factory driveshaft, you need a little more slip yoke travel for high performance applications. This is how we have built them for 13 years and how any performance driveshaft company builds them. With that said it is always the installer's responsibility when installing any driveshaft on any car to check for proper engagement, etc. before driving the vehicle.

It was just a matter of the stress the chassis dyno put on your transmission, it happens unfortunately.

It had nothing to do with your driveshaft. The driveshaft is exactly as it should be from your pictures. They are supposed to be a bit shorter than the factory driveshaft, you need a little more slip yoke travel for high performance applications. This is how we have built them for 13 years and how any performance driveshaft company builds them. With that said it is always the installer's responsibility when installing any driveshaft on any car to check for proper engagement, etc. before driving the vehicle.

It was just a matter of the stress the chassis dyno put on your transmission, it happens unfortunately.

Here are the pics:

 

**** SPOHN.. my buddy had their long torque arm with a 408 and it broke on the street.. All heavy garbage products..

 

Also, I say you get the 3.5" aluminum ds from PST. I have one and love it no issues. Warranted to 1000hp.

 

Ditto

 

I use bmr for my suspension parts because of a conversation with a guy from spohn that he come off as being a ***** so I called bmr after that and they got a large order from me that day.... I also have a dennys driveshaft in my car.... Works like a champ

 

same one i got... 1.28 60fts and still going strong...although I am a weak a4...

sorry to hear zeke I was rooting for you on this one...kind of had a feeling they were going to tell you to pound sand...

Hopefully the fix isnt too bad...

 

This is what kills me!
It's not the vendors fault but why would Spohn advertise like this?

http://www.ws6project.com/user_stor/...g/driveshafts/

http://www.lmperformance.com/78229/1.html

Just an example

 

That is bullshit, you cant tell me that launching at the track with a 6k clutch dump is less stress then strapped on the dyno. I have a pst shaft and it has taken many a launch with my 402 on spray and never had an issue.

 

Spohn's service sucks. At least that was my experience. That's why I use UMI stuff now. Hope you get it back together soon. The car should roll out.

 

I can't believe they sent me that email worded that way!!

 

Their comments are total BS. Although it doesn't get you out of the woods. Everything that is bought has to be checked because you can't count on anyone anymore. Not trying to add insult to injury just stating the facts. Chalk it up to lesson learned cause you won't forget anytime soon. Cut your ties with spohn and go with a PST. Sorry man, it sucks I've been there.

 

Yes sir believe me it's going back!