counter rotating alpha drives
Need some input from the board. I have '86 272LS with 365hp small blocks running 64mph @ 5000rpm in flat water. Drives are alphas (1.5 ratio) spinning 21p Turbo stainless props. Both drives are righthand turning with simrek showers. Would installing a port LH lower give me some more top end? Looking to get a little closer to 70. thanks for any input.
|
No.Spend your money elsewhere. Counter rotation helps with steering torque and drivability,not speed.
|
Magic, will the counter rotation lift the stern and allow bigger props?
|
Theorically,yeah,but reality,doubt there will be any difference.
|
just use triple widgets magic alphas and hang on!!!!!
|
Originally Posted by wayne272
(Post 2748212)
Need some input from the board. I have '86 272LS with 365hp small blocks running 64mph @ 5000rpm in flat water. Drives are alphas (1.5 ratio) spinning 21p Turbo stainless props. Both drives are righthand turning with simrek showers. Would installing a port LH lower give me some more top end? Looking to get a little closer to 70. thanks for any input.
Try a 23 Mirage 3 blade on that once and if you gain any speed |
your talking about a 24% increase in speed. you not going to do that with props and c/r, you could gain a little if you did it and really played with props, but if your lifting the back end with the props thats going to put a lot more strain on the alpha's. is that flat-flat water?? that would be the most drag, how easily are you pulling 5 grand?
|
It was real flat water. No chop. It pulls 5000 pretty easily and was trimmed out , but no tab. The props had a couple of dings (I boat in the Great South Bay,which is pretty shallow), and I had them redone, but didn't get to re-test before winterizing.
|
sounds ike you need more prop to begin with, so you prolly should figure out where you are, so you can figure out where your going.
|
All times are GMT -5. The time now is 05:09 PM. |
Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.