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Old 07-07-2010, 12:06 PM
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JLeuck64 JLeuck64 is offline
MC Fanatic
Join Date: Jun 2005
Boat: 98 Prostar 190 Stars & Stripes, LT1
Location: Oregon
Posts: 700
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.
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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