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Original Message
24" Props!
By P - 02/06/2002 9:45:23 AM; IP 66.89.75.42
Everything I've heard about the cast iron cranks is good. I understand the FT (or some of the FT models) came with a steel crank, and this must have been for a reason. Most of the guys that have problems with the marine motors have em with the valves, probably not taking proper care of the adjustment over the years because everyone is used to hydraulic valves these days, but I've never heard of any problems with the cranks. Bearings go out from time to time, but never heard of a crank busting.

The FE marine units (Chris Craft anyway) run through 2.5:1 gear reduction transmissions and they're limited to 4000 max. Therefore you can swing a big prop with all that torque multiplied through the gear reductions. Chris Craft learned a loooong time ago how to match engines to hulls. They had a 175-HP flathead six, and you can imagine what kind of stump pulling torque that one had. I know a guy who had a pair of em in a cruiser and the thing would fly.

The props are so large than you can't change em in the water unless you're standing on the bottom. Some of the guys put a rope around em for safety. Many of the early boats used 1-3/8" stainless shafts, but all later changed to 1-1/2 for obvious reasons.

The setup works well, I have a friend who recently made a 700-mile trip on Lake Michigan with a pair of 427's and they ran great. There are a bunch of em still out there.

P
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Collapse <a href=../ForumFE/reply.aspx?ID=11085&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11085" onclick="return false;">427 Marine info for Royce</a>&nbsp;-- <font color=#0000ff>David Thayerh, <i>02/02/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11085', contentMargin: 60, icon: $('anchor11085') }); </script>  427 Marine info for Royce -- David Thayerh, 02/02/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11086&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11086" onclick="return false;">427 Marine engines</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>02/02/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11086', contentMargin: 60, icon: $('anchor11086') }); </script>  427 Marine engines -- Royce Peterson, 02/02/2002
 RE: Casting numbers and Motorcycles -- David Thayerh, 02/02/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11135&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11135" onclick="return false;">RE: 427 Marine engines (Royce)</a>&nbsp;-- <font color=#0000ff>P, <i>02/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11135', contentMargin: 60, icon: $('anchor11135') }); </script>  RE: 427 Marine engines (Royce) -- P, 02/05/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11141&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11141" onclick="return false;">RE: 427 Marine engines (Royce)</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>02/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11141', contentMargin: 60, icon: $('anchor11141') }); </script>  RE: 427 Marine engines (Royce) -- Royce Peterson, 02/05/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11143&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11143" onclick="return false;">RE: 427 Marine engines (thanks Royce)</a>&nbsp;-- <font color=#0000ff>P, <i>02/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11143', contentMargin: 60, icon: $('anchor11143') }); </script>  RE: 427 Marine engines (thanks Royce) -- P, 02/05/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11144&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11144" onclick="return false;">24" Props!</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>02/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11144', contentMargin: 60, icon: $('anchor11144') }); </script>  24" Props! -- Royce Peterson, 02/05/2002
24" Props! -- P, 02/06/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11163&Reply=11085><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11163" onclick="return false;">RE: It was all about $</a>&nbsp;-- <font color=#0000ff>David Thayer, <i>02/06/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11163', contentMargin: 60, icon: $('anchor11163') }); </script>  RE: It was all about $ -- David Thayer, 02/06/2002
 RE: It was all about $ -- P, 02/07/2002
 RE: 427 Marine info for Royce & Two Wheel Show -- Ray, 02/02/2002
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