Search found 3 matches

by GreaseMonkey
Tue Sep 05, 2023 6:20 am
Forum: Older Boats and Series
Topic: 200 Too Slow, what to do
Replies: 7
Views: 928

Re: 200 Too Slow, what to do

Hours on the boat is just 568. Compression test came out to 150-160psi on all cylinders (cold engine) The only other symptom that I can find is a low manifold vacuum at idle. If 40mph is normal then I just spent a lot of time chasing my tail for nothing. However a newer 200 with significantly more w...
by GreaseMonkey
Mon Sep 04, 2023 9:55 pm
Forum: Older Boats and Series
Topic: 200 Too Slow, what to do
Replies: 7
Views: 928

Re: 200 Too Slow, what to do

At 42mph RPM at 4100
Outdrive is 1.5 ratio, and 19P AL prop.

Have a 17P AL prop as well with that prop RPM moves up to around 4200, but top speed down to 38mph.

That seemed odd to me that I didn't pick up more RPM, and maybe a little bit more top speed with the lower pitch prop.
by GreaseMonkey
Mon Sep 04, 2023 7:49 pm
Forum: Older Boats and Series
Topic: 200 Too Slow, what to do
Replies: 7
Views: 928

200 Too Slow, what to do

Last year I purchased a 1995 Cobalt 200, with. 5.0LX rated at 205hp. (My first boat) Decent shape, but a little rough, but priced accordingly. I don't mind projects and am familiar with both fiberglass work (kayaks), and engines (cars, tractors, etc.). So I wasn't too worried and figure it was a goo...