I agree, I did the same thing. But i ground off the roush letters and polished it before putting it on.

You may need a shorter belt as it has a smaller pulley on the p51 tensioner.

There is a huge diffence in the Tensioners as you can see here-->

 

Thanks for the pics! You can definitley see the difference. I am going to look into the Rosuh piece if I can find the thing. Then I will have to figure out what size belt I am going to need to run.

 

I know you may find them cheaper from someone else, but i went through JDM for the P51 Tensioner because they knew exactly which belt would fit, now I have the part# and went and bought an extra belt just in case.

 

Duplicate as below. sorry.

 

When I purchased mine JDM was the only place to get them. If I recall correctly, I ordered it all at the same time (3.2 pulley, tensioner, belt etc..) Not sure if Jim made any corrections for the tensioner size or not..

 

I got mine from JDM as well and had no issues. Of course it was more but they were the only ones offering it at the time.

 

A lot of incorrect information in this thread...
1st, a throttle body is a waste for your car right now
2nd, you are crazy to be running a 3.2 pulley without a GT500 system, and you need 60# with a 3.2" (I understand a lot of people run the 3.2 with the 39# injectors, but give JDM or any other saleen tuner a call and ask them, they will tell you the same thing I am.)
3rd, with those mods, your 3.2" pulley, and cams, say goodbye to your motor
4th, the "recalibration" needed for the throttle body means you WILL NEED A RETUNE

 

I've found it all over the net for $150. I will however give JDM a call towards the end of the week, and see if they can send me a belt out with the P51 tensioner so that I know I have the right size. Thanks for the tip guys.

Also, out of curiosity, has anyone ever had a forged bottom end installed and what was the cost?

 

I have the GT500 fuel system, and 60lb injectors on the list. Mind you, the car is bone stock, I just have a very fast closet. So, with all those mods, the car can't be tuned safely?

EDIT: By the way, I DO have 39lb injectors now, but wanted to go to 60s when I started installing everything.

 

This is incorrect. Anytime you modify the car to bring in more fuel or more air, you need a retune, especially at the power level he is at. While it may be true that you need to adjust the voltage, you also need to adjust the tune.