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[Jack_Toepfer]

Someone needs to stack 2 sets of spacers to pick up some runner length...
I believe that the additional runner is helping the HP numbers of those guys who didn't have significant blow-by problems.
Also, I think the increased height of the pulley is adding a little tension, and maybe helping with any belt slip.
And, of course, the cooler temps

 

[Mean Cat]

Someone needs to stack 2 sets of spacers to pick up some runner length...
I believe that the additional runner is helping the HP numbers of those guys who didn't have significant blow-by problems.
Also, I think the increased height of the pulley is adding a little tension, and maybe helping with any belt slip.
And, of course, the cooler temps

Good idea about stacking , guess you could take off the O-rings on 1 side of 1 spacer , but the longer bolts better be strong.

 

[Jack_Toepfer]

If anyone has a relationship with the MFR, they could just make thicker plates too ... didn't think about that.

 

[Paladin06]

Someone needs to stack 2 sets of spacers to pick up some runner length...
I believe that the additional runner is helping the HP numbers of those guys who didn't have significant blow-by problems.
Also, I think the increased height of the pulley is adding a little tension, and maybe helping with any belt slip.
And, of course, the cooler temps

It’s been tested and proven that the single stack helps in all the areas you mentioned. By seat of the the pants my unmodded Redeye feels stronger with the spacers.

 

[DGatzby]

So the piece was good?

Yes, thank you. But after all the planning etc. they called me late Friday afternoon and insisted on having it this morning for them to take care of! I am not arguing. Especially with the leak up front I also found this morning with the chiller working. I use Track Mode 100% of the time on the track.