Like Tree0Likes

Looking for another 500 rpms!

Reply
Old 09-08-2010, 09:00 AM
  #11
Platinum Member
Platinum Member
 
HaxbySpeed's Avatar
 
Join Date: Mar 2008
Location: Vancouver BC
Posts: 1,181
Default

Unless you are an experienced tuner I think you'll continue to struggle with this combo until you get it on a dyno. Once you know how much timing it likes, where peak power is, peak torque, AFR, etc. it will end all the guessing and make it much easier to troubleshoot and seperate any problems in the rigging vs. the engine. Once you have ruled out all the variables you can call Brett or Brad at BBlades and get them to help with the slip numbers. As far as drives and RPM, I have run bravos and alphas @ 6500 to 7000rpm for years without problems. Low RPM and big torque is much harder on a drive. Ask anyone who builds or repairs drives.. Good luck.
HaxbySpeed is offline  
Reply With Quote
Old 09-08-2010, 12:17 PM
  #12
Platinum Member
Platinum Member
Thread Starter
Trade Score: (4)
 
endeavour32's Avatar
 
Join Date: May 2009
Location: Chicago, IL; Onekama, MI
My Boats: 1989 Formula 292 SR-1 (sold), Scarab 38 KAAMA
Posts: 3,225
Default

With 2 foot chop on the lake today I was able to get 64 out of her! Thats with a Mirage 21 thats pretty beat up. I'm guessing that a 21 plus in perfect shape would be good for another 2 mph. My boat has a huge hook, I'd be willing to bet that removing that would be good for another 2-3 mph. This boat runs really flat and its very hard to carry the bow up much. So with those mods it would put me right with 242's with an hp 500 which run 69-70 mph.

Last edited by endeavour32; 09-08-2010 at 12:20 PM.
endeavour32 is offline  
Reply With Quote
Reply



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 09:11 PM.


Copyright 2011 OffShoreOnly. All rights reserved.