2003 35 Ex prop help
12-30-2011, 09:44 AM
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2003 35 Ex prop help
I did a search to try to find out what prop works best on a 03 35 ex with 496's and came up blank, the prop calculator show me @ 26% prop slip on 32" 4 blade bravos, seems kinda high any suggestions ? Thanks Blake Sullivan
12-30-2011, 11:30 AM
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What gear ratio do you have?
12-30-2011, 01:26 PM
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I think your wrong on the ratio.... You should be a 1.65 and the boat would have came stock with 30 pitch bravo 1's. This is exactly how my friends boat was set up from fountain. 2003 35EX with 496 mag HO's. His ran 77everyday in fresh water with that setup.
12-30-2011, 04:23 PM
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Most of the 496 equipped boats came with 1.65 ratio B1X drives. Not saying all of them did, but .... They did that so they could use more common pitch props and to allow the engines to get in their sweet spots a little easier.
If it is a 1.5 drive, the 32P is way too much prop for that engine/boat combo. A 35 Lightning Classic with 500's only ran 30P or maybe labbed 32's with a 1.5 drive. Did your boat possibly have different (higher hp) engines in it before you bought it?
If it is a 1.5 drive, the 32P is way too much prop for that engine/boat combo. A 35 Lightning Classic with 500's only ran 30P or maybe labbed 32's with a 1.5 drive. Did your boat possibly have different (higher hp) engines in it before you bought it?
12-30-2011, 08:12 PM
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Thanks for all the input I was the second owner with 89 hours on it so I dont believe it had big HP motors, but I am @ 78 mph and hitting the rev limiters so I think It must be in its sweet spot . Maybe I should being suck a sissy and but some Big HP motors. 
12-30-2011, 08:32 PM
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78 is right in the average range for that boat/engine combo. Do you know if the props had been reworked or possibly had the diameter cut back some? That could explain being marked 32P with 1.5 ratio and running 78 mph. Our twin step 35 Lightning with 500 EFI's ran labbed 30P Bravo 1's props through 1.5 ratio Bravo XZ drives, but it was right at 86-87 mph (gps on a lake at ~600 ft elevation) on the rev limiters. 
Last edited by bob_t; 12-30-2011 at 08:36 PM.
