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Hey guys I haven't updated in a while. So currently now the set up on the new engines is im running 17x20 props and I brought the engines up a hole but runs much much better I can comfortably cruise at 4900-5100 RPM 30mph and at WOT (I can hit 6100) his anywhere from 35-38 depending on...

I had the boat out today at 5500 rpms im doing 29mph at 6100 rpm im doing about 32 there was 5 people on the boat and about 75 gallons of fuel but when I was coming back though the inlet on a outgoing tide I could barely get the boat to plane off I think im going to need a 21 pitch 4 blade prop

Thanks for the reply should I wait till the 20 hour oil change to change the props or go bigger right away? My dealer is kind of a know it all and keeps telling me the 17 pitch props are good and he puts them on a ton of boats I need to go at him with some info so he doesn't make me look like a...

So update on the boat, I had the 140s installed and they look great I’m a little disappointed in the speed though the props my dealer put on are 14x17 the boat does reach 6100 WOT but I’m cruising at like 24 mph at 5100 rpm which seems to me very slow. Should I look into repropping? Prop god...

Anybody have some recommendations for new seats on a gulfstream?

Thanks for all the replies hopefully getting the engines this week I will let you guys know how it turns out

Me dealer said I should be fine with the 140s the 150s where 6 thousand dollars more and would add another 500 extra pounds on the bracket. Apparently my dealer said the Suzuki 140s are capable of running bigger props than other 140s

Going from twin 150 2 strokes to twin 140 4 strokes doesn't bother me at all I just don't want the boat to feel like a dog I fish offshore a decent amount and usually have 4 people on the boat, with the old 150s I cruised at like 4200 rpms at 30mph but I could get the boat up to almost 47mph I...

The Gulfstream did come from the factory with a single 225 in 92 so I do have more horsepower than that, but what makes me worried is the Suzuki 140 is the same block as the Suzuki 115, when you go to the 150 its the same block as the 200. The main reason I went with the 140s was the weight I...

Hello everyone long time lurker here but I’m finally posting, I have a 1992 Gulfstream GT over the past month I redid most of the wiring had a new gas tank made and detailed the entire boat top to bottom I also ordered twin 140 Suzuki’s that I’m now panicking about because I started reading that...

Hey this is my first post I just bought my first grady white it's is a 92 gulfstream with twin 1992 yamaha v6 2 strokes. I'm really exited to start boating soon any tips or thing I should now about this model before I put it in the water? Thanks...