07-30-2008, 11:16 AM #1
Anyone using the Riva ECU with the Rotax Racing cam ?
Looking for anyone that is using the Riva Racing ECU with the Rotax Racing 4224 camshaft in a '07 RXP.
Thanks for any help !
07-30-2008, 12:27 PM #2
- Join Date
- Jun 2005
- rome ga
you will be rich on the bottom and lean on top.
07-30-2008, 01:02 PM #3
I have not had that problem at all. I am now maxed out at 8020 RPMs.
I know that several people prefer the cam advanced slightly and have had very good results doing so. But has anyone advanced it on a '07 RXP with the Riva Racing ECU ?
At 8000 RPM my AFR is still 10.6 with the stock regulator.
07-30-2008, 01:20 PM #4
07-30-2008, 01:34 PM #5
07-30-2008, 01:37 PM #6
07-30-2008, 01:42 PM #7
You want to set your cam timing so that your compression is at 130lb.
07-30-2008, 01:43 PM #8
The prop is my Solas 15/20+
The slip on the Rude is above 100 in lb.
Boost leak, thats what I was thinking also. But I have had everything from the SC to the intake manifold off and cleaned and re-sealed everything. In the rough water yesterday I did see a flash of 8200. However I could not duplicate it today. I had somehow put in too much oil.....no effect on RPMs today.
This is an '07 RXP with the Riva Stg. III kit + Rude charger etc.
07-30-2008, 01:45 PM #9
07-30-2008, 07:46 PM #10
- Join Date
- Apr 2005
just check with your stock CAM, the RACING CAM 4224 is 7-10 HP , thats about max 100 RPM, so your still missing a lot of RPM
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By VX1 in forum 4-Tec PerformanceReplies: 16Last Post: 09-13-2011, 09:09 AM
By baba850r in forum 4-Tec PerformanceReplies: 6Last Post: 11-19-2008, 01:55 PM
By lafjax in forum 4-Tec PerformanceReplies: 16Last Post: 11-14-2007, 10:02 PM
By KiwiRXP in forum 4-Tec PerformanceReplies: 35Last Post: 08-26-2007, 06:44 PM
By Green Hulk in forum 4-Tec PerformanceReplies: 15Last Post: 08-22-2005, 03:49 PM