09-13-2008, 03:57 PM #1
Reduction Nozzle - Ring Fit ~ wobble
JUst wanted to know if the rings are supposed to fit really snug. I have one that has two set screws, but the ring doesn't seem tight in the bore. Is that normal?
Anyone have pics of their RIVA nozzle?
09-13-2008, 05:03 PM #2
The ring need to be tight once allen sets are tight.
09-13-2008, 08:19 PM #3
09-13-2008, 08:35 PM #4
Don't over tighten the set screws or the metal ring will become oval. You'll be able to feel a lip inside the nozzle if you run your finger in there. Just tighten them down snug.
09-13-2008, 08:55 PM #5
It sounds like your ring might be oval or your sets might be striped.
I have had to retap a new hole on nozzle before and will work with no problem.
The ring should fit fairly tight without play when you insert it.
09-14-2008, 07:02 AM #6
I bought mine from ebay. The parts look pretty good, wan't sure how the RIVA's are. This one has set screws, 2 holes tapped in both the ring and nozzle. As received the rings moves about the set screws (wobbles or pivots top to bottom) - like it's not totally bottomed out.
Are the RIVAS tapped on both parts too?
Seems like 3-4 screws would have been better than two?
09-14-2008, 09:06 AM #7
09-14-2008, 09:20 AM #8
- Join Date
- Jun 2006
- Richmond, Va
Mine are so tight I dont even need the set screws! Taking everything out takes me 3 mins, getting the ring out takes me 10 mins. Its ridiculous, never heard of them becoming oval shape guess thats my problem.
09-14-2008, 10:01 AM #9
A small thread hijack here if you don't mind. Roughly, what are the rpm changes when you change ring size 1mm?
09-14-2008, 11:09 AM #10
Roughly around 100 RPMs..At least thats what i seen with mine..
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