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#1
07-06-2010, 03:01 PM
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Prostar 205 RPM's - LT1
Hi all,
Just curious what my 1997 Prostar 205 LT1 should top out at for RPM's. It has 1:1 and the standard 3-blade prop, and 320 hours. It does around 4500 RPM's with me and one or two other people on the spotters seat which seems pretty normal. Also idles around 500-700 RPM. Does that sound right? I don't suspect anything wrong but am just curious if I should make any tune-ups. 
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#2
07-06-2010, 03:09 PM
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Also running in WI, so normal elevation.
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#3
07-06-2010, 06:39 PM
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5000rpms.....
__________________
'06 X2 MCX "I understand why some people may not want to do this the way I have recommended but I can't understand the death grip some people have on a toilet plunger with a hose fitting." -JimN
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#4
07-07-2010, 10:05 AM
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Thanks, what do you think i need to do to get it to run there?
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#6
07-07-2010, 10:34 AM
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What has your maintenance/service schedule been? What has been serviced/replaced recently and what hasn't?
__________________
Previous: 1993 Prostar 205 Red 1998 Closed Bow Ski Boat, Ford 351, 310 hp, Acme 4 blade, Perfect Pass SG. FAQ Tyler Ski Club To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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#7
07-07-2010, 11:06 AM
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Just happen to be going through this same research at the moment...
Dinged a prop last weekend and sent it off to Eric at OJ Propeller to have it straightened. One of the things he wanted to know was top speed and WOT RPM. Since my engine was turning 5200 RPM with that prop he is going to add some cup to bring the RPM back down to 5000. By the way my operator's manual for the LT-1 says 4200-5000 RPM is the recommended max.
__________________
http://www.mastercraft.com/photopost...er=2572&sort=1 Need LT-1 parts? OIL FILTER: Factory installed is a Penzoil P23, Afta market brands, AC Delco PF-454 and a Fram PH-13 or PH-30 will work. SPARK PLUGS: AC Delco MR43LTS (gapped to .040") FUEL FILTERS: AC Delco 25171391 (pump inlet side) 89058397 (pump outlet side) IGNITION WIRES: Call Inboard Online @ (877) 327-7175 and order part numbers 556010A (odd bank) and 556010B (even bank)
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#8
07-07-2010, 11:19 AM
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I just bought the boat and I believe all it has had is oil changes/tranny fluid and impeller changes. It had 290 hours when I bought it in May and now it has about 325 Hours. The guy I bought it from was the original owner since 1997 and did not seem as meticulous as the rest of us, which is why I'm thinking it's all original still.
What kind of upgrades should I make?
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#9
07-07-2010, 11:20 AM
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Not that any of this will solve the problem, but plugs, wires, clean the flame arrestor for a good start.
__________________
Previous: 1993 Prostar 205 Red 1998 Closed Bow Ski Boat, Ford 351, 310 hp, Acme 4 blade, Perfect Pass SG. FAQ Tyler Ski Club To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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#10
07-07-2010, 11:28 AM
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Do LT1's ever need timing adjustments like the TBI engines, or not because of the higher tech ignition system?
__________________
1997 Mastercraft Prostar 205 LT1 1:1 Black/Teal (current boat) 2002 Mastercraft TT 197 LQ9 Powerslot Red/Red 2002 Mastercraft Prostar 209 LTR 1:1 Black/Black 1999 Mastercraft Prostar 190 LTR 1:1 Red/White
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