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-   -   280 Prop (https://www.offshoreonly.com/forums/powerquest/256489-280-prop.html)

AZ Lineman 06-23-2011 09:20 PM

280 Prop
 
How would a 29 Mirage prop work on my 280 Silencer? Right now i get 77 on GPS with a 28B1 @ almost 5100 and a 26B1 about 72-3 @ 5400. Procharged 454Mag

Bob280Silencer 06-24-2011 05:33 AM

Depends on what you're trying to do,cruise or top end. Looks like you could take a little out of the B1-28,turn more rpm and have more on the top end.I run a stock B1-28 because I get a cruise of approx.47 mph at 3600-3700 which I like but I can still spin it 5400.My limiter is set at 5700. OR,turn up the boost ! Is the 29 a three blade?

boatrider82 06-24-2011 03:57 PM

Wonder how the b1 28 would do on my 280 I have a 502mpi...how did it do getting on plan. I run the diversion,blindriver, area i have b1 26 now. Bob do u still have the 28 I know u was selling your 280

verbi69 06-24-2011 07:19 PM

I could not use a 3 blade on my 280......would blow out trying to plane.

boatrider82 06-25-2011 01:41 AM

Mine is a 4 blade but it doesnt like slow speeds around the canal I have to be careful or it blows out

BillR 06-25-2011 09:49 AM

when I had my 280, I got best speed out of a Hydromotive Q-IV prop.

AZ Lineman 06-25-2011 10:22 AM

Was that a Q-IV or Q-IVx? Are all the 280's single step?

Bob280Silencer 06-25-2011 10:10 PM

boatrider82,I think a 28 would be a little too much for a stock 502. My 280 had a HP500efi. The prop I liked best was a labbed 26 B1. Still have the 280 and trying to sell it. Bought a 87 Cig out of Springfield.Going to the prop stop tomorrow. First time the Cig will be out since I rebuilt the engines.

Need4SpeedGTCS 06-26-2011 12:50 PM


Originally Posted by Bob280Silencer (Post 3438627)
boatrider82,I think a 28 would be a little too much for a stock 502. My 280 had a HP500efi. The prop I liked best was a labbed 26 B1. Still have the 280 and trying to sell it. Bought a 87 Cig out of Springfield.Going to the prop stop tomorrow. First time the Cig will be out since I rebuilt the engines.

Post more pic's....love that TG you have!

boatrider82 06-26-2011 06:50 PM


Originally Posted by Bob280Silencer (Post 3438627)
boatrider82,I think a 28 would be a little too much for a stock 502. My 280 had a HP500efi. The prop I liked best was a labbed 26 B1. Still have the 280 and trying to sell it. Bought a 87 Cig out of Springfield.Going to the prop stop tomorrow. First time the Cig will be out since I rebuilt the engines.

Thanks bob280 I like the 26 Im not really worried about being the fastest I have never even ran my motor over 4200rpms but the cruising speed u was runnin would be nice not working the motor to much and not burning to much gas. I think at 35 or 3800 rpms im runnin 40 on gps but thats off my phone not sure how accurate that is


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